[PATCH 00/22] More inode type cleanups

[PATCH 00/22] More inode type cleanups

[David Sterba]

Continued work to convert struct inode to struct btrfs_inode in the
internal interfaces. No functional changes.

David Sterba (22):
  btrfs: pass struct btrfs_inode to can_nocow_extent()
  btrfs: pass struct btrfs_inode to extent_range_clear_dirty_for_io()
  btrfs: pass struct btrfs_inode to btrfs_read_locked_inode()
  btrfs: pass struct btrfs_inode to btrfs_iget_locked()
  btrfs: pass struct btrfs_inode to new_simple_dir()
  btrfs: pass struct btrfs_inode to btrfs_inode_type()
  btrfs: pass struct btrfs_inode to btrfs_defrag_file()
  btrfs: use struct btrfs_inode inside create_pending_snapshot()
  btrfs: pass struct btrfs_inode to fill_stack_inode_item()
  btrfs: pass struct btrfs_inode to btrfs_fill_inode()
  btrfs: pass struct btrfs_inode to btrfs_load_inode_props()
  btrfs: pass struct btrfs_inode to btrfs_inode_inherit_props()
  btrfs: props: switch prop_handler::apply to struct btrfs_inode
  btrfs: props: switch prop_handler::extract to struct btrfs_inode
  btrfs: pass struct btrfs_inode to clone_copy_inline_extent()
  btrfs: pass struct btrfs_inode to btrfs_double_mmap_lock()
  btrfs: pass struct btrfs_inode to btrfs_double_mmap_unlock()
  btrfs: pass struct btrfs_inode to btrfs_extent_same_range()
  btrfs: use struct btrfs_inode inside btrfs_remap_file_range()
  btrfs: use struct btrfs_inode inside btrfs_remap_file_range_prep()
  btrfs: use struct btrfs_inode inside btrfs_get_parent()
  btrfs: use struct btrfs_inode inside btrfs_get_name()

 fs/btrfs/btrfs_inode.h   |   2 +-
 fs/btrfs/defrag.c        |  44 ++++----
 fs/btrfs/defrag.h        |   4 +-
 fs/btrfs/delayed-inode.c |  95 ++++++++--------
 fs/btrfs/delayed-inode.h |   2 +-
 fs/btrfs/direct-io.c     |   3 +-
 fs/btrfs/export.c        |  26 ++---
 fs/btrfs/file.c          |   3 +-
 fs/btrfs/inode.c         | 232 ++++++++++++++++++++-------------------
 fs/btrfs/ioctl.c         |   2 +-
 fs/btrfs/props.c         |  66 +++++------
 fs/btrfs/props.h         |   7 +-
 fs/btrfs/reflink.c       | 100 ++++++++---------
 fs/btrfs/transaction.c   |  24 ++--
 14 files changed, 309 insertions(+), 301 deletions(-)

-- 
2.47.1

[PATCH 01/22] btrfs: pass struct btrfs_inode to can_nocow_extent()

[David Sterba]

Pass a struct btrfs_inode to can_nocow_extent() as it's an internal
interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/btrfs_inode.h |  2 +-
 fs/btrfs/direct-io.c   |  3 ++-
 fs/btrfs/file.c        |  3 +--
 fs/btrfs/inode.c       | 18 +++++++++---------
 4 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 029fba82b81d..ca1cd600f5d2 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -532,7 +532,7 @@ int btrfs_check_sector_csum(struct btrfs_fs_info *fs_info, struct page *page,
 			    u32 pgoff, u8 *csum, const u8 * const csum_expected);
 bool btrfs_data_csum_ok(struct btrfs_bio *bbio, struct btrfs_device *dev,
 			u32 bio_offset, struct bio_vec *bv);
-noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
+noinline int can_nocow_extent(struct btrfs_inode *inode, u64 offset, u64 *len,
 			      struct btrfs_file_extent *file_extent,
 			      bool nowait);
 
diff --git a/fs/btrfs/direct-io.c b/fs/btrfs/direct-io.c
index c98db5058967..fb6df17fb55c 100644
--- a/fs/btrfs/direct-io.c
+++ b/fs/btrfs/direct-io.c
@@ -248,7 +248,8 @@ static int btrfs_get_blocks_direct_write(struct extent_map **map,
 		len = min(len, em->len - (start - em->start));
 		block_start = extent_map_block_start(em) + (start - em->start);
 
-		if (can_nocow_extent(inode, start, &len, &file_extent, false) == 1) {
+		if (can_nocow_extent(BTRFS_I(inode), start, &len, &file_extent,
+				     false) == 1) {
 			bg = btrfs_inc_nocow_writers(fs_info, block_start);
 			if (bg)
 				can_nocow = true;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 3603d9bbc17a..dd4b6c0c4542 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1013,8 +1013,7 @@ int btrfs_check_nocow_lock(struct btrfs_inode *inode, loff_t pos,
 		btrfs_lock_and_flush_ordered_range(inode, lockstart, lockend,
 						   &cached_state);
 	}
-	ret = can_nocow_extent(&inode->vfs_inode, lockstart, &num_bytes,
-			       NULL, nowait);
+	ret = can_nocow_extent(inode, lockstart, &num_bytes, NULL, nowait);
 	if (ret <= 0)
 		btrfs_drew_write_unlock(&root->snapshot_lock);
 	else
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index fdc03e84fa46..4f53f50a324b 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7068,17 +7068,17 @@ static bool btrfs_extent_readonly(struct btrfs_fs_info *fs_info, u64 bytenr)
  * NOTE: This only checks the file extents, caller is responsible to wait for
  *	 any ordered extents.
  */
-noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
+noinline int can_nocow_extent(struct btrfs_inode *inode, u64 offset, u64 *len,
 			      struct btrfs_file_extent *file_extent,
 			      bool nowait)
 {
-	struct btrfs_fs_info *fs_info = inode_to_fs_info(inode);
+	struct btrfs_root *root = inode->root;
+	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct can_nocow_file_extent_args nocow_args = { 0 };
 	struct btrfs_path *path;
 	int ret;
 	struct extent_buffer *leaf;
-	struct btrfs_root *root = BTRFS_I(inode)->root;
-	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
+	struct extent_io_tree *io_tree = &inode->io_tree;
 	struct btrfs_file_extent_item *fi;
 	struct btrfs_key key;
 	int found_type;
@@ -7088,8 +7088,8 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
 		return -ENOMEM;
 	path->nowait = nowait;
 
-	ret = btrfs_lookup_file_extent(NULL, root, path,
-			btrfs_ino(BTRFS_I(inode)), offset, 0);
+	ret = btrfs_lookup_file_extent(NULL, root, path, btrfs_ino(inode),
+				       offset, 0);
 	if (ret < 0)
 		goto out;
 
@@ -7104,7 +7104,7 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
 	ret = 0;
 	leaf = path->nodes[0];
 	btrfs_item_key_to_cpu(leaf, &key, path->slots[0]);
-	if (key.objectid != btrfs_ino(BTRFS_I(inode)) ||
+	if (key.objectid != btrfs_ino(inode) ||
 	    key.type != BTRFS_EXTENT_DATA_KEY) {
 		/* not our file or wrong item type, must cow */
 		goto out;
@@ -7125,7 +7125,7 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
 	nocow_args.end = offset + *len - 1;
 	nocow_args.free_path = true;
 
-	ret = can_nocow_file_extent(path, &key, BTRFS_I(inode), &nocow_args);
+	ret = can_nocow_file_extent(path, &key, inode, &nocow_args);
 	/* can_nocow_file_extent() has freed the path. */
 	path = NULL;
 
@@ -7141,7 +7141,7 @@ noinline int can_nocow_extent(struct inode *inode, u64 offset, u64 *len,
 				  nocow_args.file_extent.offset))
 		goto out;
 
-	if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATACOW) &&
+	if (!(inode->flags & BTRFS_INODE_NODATACOW) &&
 	    found_type == BTRFS_FILE_EXTENT_PREALLOC) {
 		u64 range_end;
 
-- 
2.47.1

[PATCH 02/22] btrfs: pass struct btrfs_inode to extent_range_clear_dirty_for_io()

[David Sterba]

Pass a struct btrfs_inode to extent_range_clear_dirty_for_io() as it's
an internal interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/inode.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4f53f50a324b..2311d1b0d5a9 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -819,7 +819,7 @@ static inline void inode_should_defrag(struct btrfs_inode *inode,
 		btrfs_add_inode_defrag(inode, small_write);
 }
 
-static int extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end)
+static int extent_range_clear_dirty_for_io(struct btrfs_inode *inode, u64 start, u64 end)
 {
 	unsigned long end_index = end >> PAGE_SHIFT;
 	struct folio *folio;
@@ -827,13 +827,13 @@ static int extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 e
 
 	for (unsigned long index = start >> PAGE_SHIFT;
 	     index <= end_index; index++) {
-		folio = filemap_get_folio(inode->i_mapping, index);
+		folio = filemap_get_folio(inode->vfs_inode.i_mapping, index);
 		if (IS_ERR(folio)) {
 			if (!ret)
 				ret = PTR_ERR(folio);
 			continue;
 		}
-		btrfs_folio_clamp_clear_dirty(inode_to_fs_info(inode), folio, start,
+		btrfs_folio_clamp_clear_dirty(inode->root->fs_info, folio, start,
 					      end + 1 - start);
 		folio_put(folio);
 	}
@@ -881,7 +881,7 @@ static void compress_file_range(struct btrfs_work *work)
 	 * Otherwise applications with the file mmap'd can wander in and change
 	 * the page contents while we are compressing them.
 	 */
-	ret = extent_range_clear_dirty_for_io(&inode->vfs_inode, start, end);
+	ret = extent_range_clear_dirty_for_io(inode, start, end);
 
 	/*
 	 * All the folios should have been locked thus no failure.
-- 
2.47.1

[PATCH 03/22] btrfs: pass struct btrfs_inode to btrfs_read_locked_inode()

[David Sterba]

Pass a struct btrfs_inode to btrfs_read_locked_inode() as it's an
internal interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/inode.c | 117 +++++++++++++++++++++++------------------------
 1 file changed, 57 insertions(+), 60 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2311d1b0d5a9..01fd8a5fc21c 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3846,12 +3846,13 @@ static int btrfs_add_inode_to_root(struct btrfs_inode *inode, bool prealloc)
  *
  * On failure clean up the inode.
  */
-static int btrfs_read_locked_inode(struct inode *inode, struct btrfs_path *path)
+static int btrfs_read_locked_inode(struct btrfs_inode *inode, struct btrfs_path *path)
 {
-	struct btrfs_fs_info *fs_info = inode_to_fs_info(inode);
+	struct btrfs_root *root = inode->root;
+	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct extent_buffer *leaf;
 	struct btrfs_inode_item *inode_item;
-	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct inode *vfs_inode = &inode->vfs_inode;
 	struct btrfs_key location;
 	unsigned long ptr;
 	int maybe_acls;
@@ -3860,17 +3861,17 @@ static int btrfs_read_locked_inode(struct inode *inode, struct btrfs_path *path)
 	bool filled = false;
 	int first_xattr_slot;
 
-	ret = btrfs_init_file_extent_tree(BTRFS_I(inode));
+	ret = btrfs_init_file_extent_tree(inode);
 	if (ret)
 		goto out;
 
-	ret = btrfs_fill_inode(inode, &rdev);
+	ret = btrfs_fill_inode(vfs_inode, &rdev);
 	if (!ret)
 		filled = true;
 
 	ASSERT(path);
 
-	btrfs_get_inode_key(BTRFS_I(inode), &location);
+	btrfs_get_inode_key(inode, &location);
 
 	ret = btrfs_lookup_inode(NULL, root, path, &location, 0);
 	if (ret) {
@@ -3890,42 +3891,41 @@ static int btrfs_read_locked_inode(struct inode *inode, struct btrfs_path *path)
 
 	inode_item = btrfs_item_ptr(leaf, path->slots[0],
 				    struct btrfs_inode_item);
-	inode->i_mode = btrfs_inode_mode(leaf, inode_item);
-	set_nlink(inode, btrfs_inode_nlink(leaf, inode_item));
-	i_uid_write(inode, btrfs_inode_uid(leaf, inode_item));
-	i_gid_write(inode, btrfs_inode_gid(leaf, inode_item));
-	btrfs_i_size_write(BTRFS_I(inode), btrfs_inode_size(leaf, inode_item));
-	btrfs_inode_set_file_extent_range(BTRFS_I(inode), 0,
-			round_up(i_size_read(inode), fs_info->sectorsize));
+	vfs_inode->i_mode = btrfs_inode_mode(leaf, inode_item);
+	set_nlink(vfs_inode, btrfs_inode_nlink(leaf, inode_item));
+	i_uid_write(vfs_inode, btrfs_inode_uid(leaf, inode_item));
+	i_gid_write(vfs_inode, btrfs_inode_gid(leaf, inode_item));
+	btrfs_i_size_write(inode, btrfs_inode_size(leaf, inode_item));
+	btrfs_inode_set_file_extent_range(inode, 0,
+			round_up(i_size_read(vfs_inode), fs_info->sectorsize));
 
-	inode_set_atime(inode, btrfs_timespec_sec(leaf, &inode_item->atime),
+	inode_set_atime(vfs_inode, btrfs_timespec_sec(leaf, &inode_item->atime),
 			btrfs_timespec_nsec(leaf, &inode_item->atime));
 
-	inode_set_mtime(inode, btrfs_timespec_sec(leaf, &inode_item->mtime),
+	inode_set_mtime(vfs_inode, btrfs_timespec_sec(leaf, &inode_item->mtime),
 			btrfs_timespec_nsec(leaf, &inode_item->mtime));
 
-	inode_set_ctime(inode, btrfs_timespec_sec(leaf, &inode_item->ctime),
+	inode_set_ctime(vfs_inode, btrfs_timespec_sec(leaf, &inode_item->ctime),
 			btrfs_timespec_nsec(leaf, &inode_item->ctime));
 
-	BTRFS_I(inode)->i_otime_sec = btrfs_timespec_sec(leaf, &inode_item->otime);
-	BTRFS_I(inode)->i_otime_nsec = btrfs_timespec_nsec(leaf, &inode_item->otime);
+	inode->i_otime_sec = btrfs_timespec_sec(leaf, &inode_item->otime);
+	inode->i_otime_nsec = btrfs_timespec_nsec(leaf, &inode_item->otime);
 
-	inode_set_bytes(inode, btrfs_inode_nbytes(leaf, inode_item));
-	BTRFS_I(inode)->generation = btrfs_inode_generation(leaf, inode_item);
-	BTRFS_I(inode)->last_trans = btrfs_inode_transid(leaf, inode_item);
+	inode_set_bytes(vfs_inode, btrfs_inode_nbytes(leaf, inode_item));
+	inode->generation = btrfs_inode_generation(leaf, inode_item);
+	inode->last_trans = btrfs_inode_transid(leaf, inode_item);
 
-	inode_set_iversion_queried(inode,
-				   btrfs_inode_sequence(leaf, inode_item));
-	inode->i_generation = BTRFS_I(inode)->generation;
-	inode->i_rdev = 0;
+	inode_set_iversion_queried(vfs_inode, btrfs_inode_sequence(leaf, inode_item));
+	vfs_inode->i_generation = inode->generation;
+	vfs_inode->i_rdev = 0;
 	rdev = btrfs_inode_rdev(leaf, inode_item);
 
-	if (S_ISDIR(inode->i_mode))
-		BTRFS_I(inode)->index_cnt = (u64)-1;
+	if (S_ISDIR(vfs_inode->i_mode))
+		inode->index_cnt = (u64)-1;
 
 	btrfs_inode_split_flags(btrfs_inode_flags(leaf, inode_item),
-				&BTRFS_I(inode)->flags, &BTRFS_I(inode)->ro_flags);
-	btrfs_update_inode_mapping_flags(BTRFS_I(inode));
+				&inode->flags, &inode->ro_flags);
+	btrfs_update_inode_mapping_flags(inode);
 
 cache_index:
 	/*
@@ -3937,9 +3937,8 @@ static int btrfs_read_locked_inode(struct inode *inode, struct btrfs_path *path)
 	 * This is required for both inode re-read from disk and delayed inode
 	 * in the delayed_nodes xarray.
 	 */
-	if (BTRFS_I(inode)->last_trans == btrfs_get_fs_generation(fs_info))
-		set_bit(BTRFS_INODE_NEEDS_FULL_SYNC,
-			&BTRFS_I(inode)->runtime_flags);
+	if (inode->last_trans == btrfs_get_fs_generation(fs_info))
+		set_bit(BTRFS_INODE_NEEDS_FULL_SYNC, &inode->runtime_flags);
 
 	/*
 	 * We don't persist the id of the transaction where an unlink operation
@@ -3968,7 +3967,7 @@ static int btrfs_read_locked_inode(struct inode *inode, struct btrfs_path *path)
 	 * transaction commits on fsync if our inode is a directory, or if our
 	 * inode is not a directory, logging its parent unnecessarily.
 	 */
-	BTRFS_I(inode)->last_unlink_trans = BTRFS_I(inode)->last_trans;
+	inode->last_unlink_trans = inode->last_trans;
 
 	/*
 	 * Same logic as for last_unlink_trans. We don't persist the generation
@@ -3976,15 +3975,15 @@ static int btrfs_read_locked_inode(struct inode *inode, struct btrfs_path *path)
 	 * operation, so after eviction and reloading the inode we must be
 	 * pessimistic and assume the last transaction that modified the inode.
 	 */
-	BTRFS_I(inode)->last_reflink_trans = BTRFS_I(inode)->last_trans;
+	inode->last_reflink_trans = inode->last_trans;
 
 	path->slots[0]++;
-	if (inode->i_nlink != 1 ||
+	if (vfs_inode->i_nlink != 1 ||
 	    path->slots[0] >= btrfs_header_nritems(leaf))
 		goto cache_acl;
 
 	btrfs_item_key_to_cpu(leaf, &location, path->slots[0]);
-	if (location.objectid != btrfs_ino(BTRFS_I(inode)))
+	if (location.objectid != btrfs_ino(inode))
 		goto cache_acl;
 
 	ptr = btrfs_item_ptr_offset(leaf, path->slots[0]);
@@ -3992,13 +3991,12 @@ static int btrfs_read_locked_inode(struct inode *inode, struct btrfs_path *path)
 		struct btrfs_inode_ref *ref;
 
 		ref = (struct btrfs_inode_ref *)ptr;
-		BTRFS_I(inode)->dir_index = btrfs_inode_ref_index(leaf, ref);
+		inode->dir_index = btrfs_inode_ref_index(leaf, ref);
 	} else if (location.type == BTRFS_INODE_EXTREF_KEY) {
 		struct btrfs_inode_extref *extref;
 
 		extref = (struct btrfs_inode_extref *)ptr;
-		BTRFS_I(inode)->dir_index = btrfs_inode_extref_index(leaf,
-								     extref);
+		inode->dir_index = btrfs_inode_extref_index(leaf, extref);
 	}
 cache_acl:
 	/*
@@ -4006,50 +4004,49 @@ static int btrfs_read_locked_inode(struct inode *inode, struct btrfs_path *path)
 	 * any xattrs or acls
 	 */
 	maybe_acls = acls_after_inode_item(leaf, path->slots[0],
-			btrfs_ino(BTRFS_I(inode)), &first_xattr_slot);
+					   btrfs_ino(inode), &first_xattr_slot);
 	if (first_xattr_slot != -1) {
 		path->slots[0] = first_xattr_slot;
-		ret = btrfs_load_inode_props(inode, path);
+		ret = btrfs_load_inode_props(vfs_inode, path);
 		if (ret)
 			btrfs_err(fs_info,
 				  "error loading props for ino %llu (root %llu): %d",
-				  btrfs_ino(BTRFS_I(inode)),
-				  btrfs_root_id(root), ret);
+				  btrfs_ino(inode), btrfs_root_id(root), ret);
 	}
 
 	if (!maybe_acls)
-		cache_no_acl(inode);
+		cache_no_acl(vfs_inode);
 
-	switch (inode->i_mode & S_IFMT) {
+	switch (vfs_inode->i_mode & S_IFMT) {
 	case S_IFREG:
-		inode->i_mapping->a_ops = &btrfs_aops;
-		inode->i_fop = &btrfs_file_operations;
-		inode->i_op = &btrfs_file_inode_operations;
+		vfs_inode->i_mapping->a_ops = &btrfs_aops;
+		vfs_inode->i_fop = &btrfs_file_operations;
+		vfs_inode->i_op = &btrfs_file_inode_operations;
 		break;
 	case S_IFDIR:
-		inode->i_fop = &btrfs_dir_file_operations;
-		inode->i_op = &btrfs_dir_inode_operations;
+		vfs_inode->i_fop = &btrfs_dir_file_operations;
+		vfs_inode->i_op = &btrfs_dir_inode_operations;
 		break;
 	case S_IFLNK:
-		inode->i_op = &btrfs_symlink_inode_operations;
-		inode_nohighmem(inode);
-		inode->i_mapping->a_ops = &btrfs_aops;
+		vfs_inode->i_op = &btrfs_symlink_inode_operations;
+		inode_nohighmem(vfs_inode);
+		vfs_inode->i_mapping->a_ops = &btrfs_aops;
 		break;
 	default:
-		inode->i_op = &btrfs_special_inode_operations;
-		init_special_inode(inode, inode->i_mode, rdev);
+		vfs_inode->i_op = &btrfs_special_inode_operations;
+		init_special_inode(vfs_inode, vfs_inode->i_mode, rdev);
 		break;
 	}
 
-	btrfs_sync_inode_flags_to_i_flags(inode);
+	btrfs_sync_inode_flags_to_i_flags(vfs_inode);
 
-	ret = btrfs_add_inode_to_root(BTRFS_I(inode), true);
+	ret = btrfs_add_inode_to_root(inode, true);
 	if (ret)
 		goto out;
 
 	return 0;
 out:
-	iget_failed(inode);
+	iget_failed(vfs_inode);
 	return ret;
 }
 
@@ -5636,7 +5633,7 @@ struct inode *btrfs_iget_path(u64 ino, struct btrfs_root *root,
 	if (!(inode->i_state & I_NEW))
 		return inode;
 
-	ret = btrfs_read_locked_inode(inode, path);
+	ret = btrfs_read_locked_inode(BTRFS_I(inode), path);
 	if (ret)
 		return ERR_PTR(ret);
 
@@ -5664,7 +5661,7 @@ struct inode *btrfs_iget(u64 ino, struct btrfs_root *root)
 	if (!path)
 		return ERR_PTR(-ENOMEM);
 
-	ret = btrfs_read_locked_inode(inode, path);
+	ret = btrfs_read_locked_inode(BTRFS_I(inode), path);
 	btrfs_free_path(path);
 	if (ret)
 		return ERR_PTR(ret);
-- 
2.47.1

[PATCH 04/22] btrfs: pass struct btrfs_inode to btrfs_iget_locked()

[David Sterba]

Pass a struct btrfs_inode to btrfs_inode() as it's an internal
interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/inode.c | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 01fd8a5fc21c..d726e655974d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5601,7 +5601,7 @@ static int btrfs_find_actor(struct inode *inode, void *opaque)
 		args->root == BTRFS_I(inode)->root;
 }
 
-static struct inode *btrfs_iget_locked(u64 ino, struct btrfs_root *root)
+static struct btrfs_inode *btrfs_iget_locked(u64 ino, struct btrfs_root *root)
 {
 	struct inode *inode;
 	struct btrfs_iget_args args;
@@ -5613,7 +5613,9 @@ static struct inode *btrfs_iget_locked(u64 ino, struct btrfs_root *root)
 	inode = iget5_locked_rcu(root->fs_info->sb, hashval, btrfs_find_actor,
 			     btrfs_init_locked_inode,
 			     (void *)&args);
-	return inode;
+	if (!inode)
+		return NULL;
+	return BTRFS_I(inode);
 }
 
 /*
@@ -5623,22 +5625,22 @@ static struct inode *btrfs_iget_locked(u64 ino, struct btrfs_root *root)
 struct inode *btrfs_iget_path(u64 ino, struct btrfs_root *root,
 			      struct btrfs_path *path)
 {
-	struct inode *inode;
+	struct btrfs_inode *inode;
 	int ret;
 
 	inode = btrfs_iget_locked(ino, root);
 	if (!inode)
 		return ERR_PTR(-ENOMEM);
 
-	if (!(inode->i_state & I_NEW))
-		return inode;
+	if (!(inode->vfs_inode.i_state & I_NEW))
+		return &inode->vfs_inode;
 
-	ret = btrfs_read_locked_inode(BTRFS_I(inode), path);
+	ret = btrfs_read_locked_inode(inode, path);
 	if (ret)
 		return ERR_PTR(ret);
 
-	unlock_new_inode(inode);
-	return inode;
+	unlock_new_inode(&inode->vfs_inode);
+	return &inode->vfs_inode;
 }
 
 /*
@@ -5646,7 +5648,7 @@ struct inode *btrfs_iget_path(u64 ino, struct btrfs_root *root,
  */
 struct inode *btrfs_iget(u64 ino, struct btrfs_root *root)
 {
-	struct inode *inode;
+	struct btrfs_inode *inode;
 	struct btrfs_path *path;
 	int ret;
 
@@ -5654,20 +5656,20 @@ struct inode *btrfs_iget(u64 ino, struct btrfs_root *root)
 	if (!inode)
 		return ERR_PTR(-ENOMEM);
 
-	if (!(inode->i_state & I_NEW))
-		return inode;
+	if (!(inode->vfs_inode.i_state & I_NEW))
+		return &inode->vfs_inode;
 
 	path = btrfs_alloc_path();
 	if (!path)
 		return ERR_PTR(-ENOMEM);
 
-	ret = btrfs_read_locked_inode(BTRFS_I(inode), path);
+	ret = btrfs_read_locked_inode(inode, path);
 	btrfs_free_path(path);
 	if (ret)
 		return ERR_PTR(ret);
 
-	unlock_new_inode(inode);
-	return inode;
+	unlock_new_inode(&inode->vfs_inode);
+	return &inode->vfs_inode;
 }
 
 static struct inode *new_simple_dir(struct inode *dir,
-- 
2.47.1

[PATCH 05/22] btrfs: pass struct btrfs_inode to new_simple_dir()

[David Sterba]

Pass a struct btrfs_inode to new_simple_dir() as it's an internal
interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/inode.c | 55 +++++++++++++++++++++++++++---------------------
 1 file changed, 31 insertions(+), 24 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d726e655974d..ac4dfb896d0f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5672,39 +5672,42 @@ struct inode *btrfs_iget(u64 ino, struct btrfs_root *root)
 	return &inode->vfs_inode;
 }
 
-static struct inode *new_simple_dir(struct inode *dir,
-				    struct btrfs_key *key,
-				    struct btrfs_root *root)
+static struct btrfs_inode *new_simple_dir(struct inode *dir,
+					  struct btrfs_key *key,
+					  struct btrfs_root *root)
 {
 	struct timespec64 ts;
-	struct inode *inode = new_inode(dir->i_sb);
+	struct inode *vfs_inode;
+	struct btrfs_inode *inode;
 
-	if (!inode)
+	vfs_inode = new_inode(dir->i_sb);
+	if (!vfs_inode)
 		return ERR_PTR(-ENOMEM);
 
-	BTRFS_I(inode)->root = btrfs_grab_root(root);
-	BTRFS_I(inode)->ref_root_id = key->objectid;
-	set_bit(BTRFS_INODE_ROOT_STUB, &BTRFS_I(inode)->runtime_flags);
-	set_bit(BTRFS_INODE_DUMMY, &BTRFS_I(inode)->runtime_flags);
+	inode = BTRFS_I(vfs_inode);
+	inode->root = btrfs_grab_root(root);
+	inode->ref_root_id = key->objectid;
+	set_bit(BTRFS_INODE_ROOT_STUB, &inode->runtime_flags);
+	set_bit(BTRFS_INODE_DUMMY, &inode->runtime_flags);
 
-	btrfs_set_inode_number(BTRFS_I(inode), BTRFS_EMPTY_SUBVOL_DIR_OBJECTID);
+	btrfs_set_inode_number(inode, BTRFS_EMPTY_SUBVOL_DIR_OBJECTID);
 	/*
 	 * We only need lookup, the rest is read-only and there's no inode
 	 * associated with the dentry
 	 */
-	inode->i_op = &simple_dir_inode_operations;
-	inode->i_opflags &= ~IOP_XATTR;
-	inode->i_fop = &simple_dir_operations;
-	inode->i_mode = S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO;
+	vfs_inode->i_op = &simple_dir_inode_operations;
+	vfs_inode->i_opflags &= ~IOP_XATTR;
+	vfs_inode->i_fop = &simple_dir_operations;
+	vfs_inode->i_mode = S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO;
 
-	ts = inode_set_ctime_current(inode);
-	inode_set_mtime_to_ts(inode, ts);
-	inode_set_atime_to_ts(inode, inode_get_atime(dir));
-	BTRFS_I(inode)->i_otime_sec = ts.tv_sec;
-	BTRFS_I(inode)->i_otime_nsec = ts.tv_nsec;
+	ts = inode_set_ctime_current(vfs_inode);
+	inode_set_mtime_to_ts(vfs_inode, ts);
+	inode_set_atime_to_ts(vfs_inode, inode_get_atime(dir));
+	inode->i_otime_sec = ts.tv_sec;
+	inode->i_otime_nsec = ts.tv_nsec;
 
-	inode->i_uid = dir->i_uid;
-	inode->i_gid = dir->i_gid;
+	vfs_inode->i_uid = dir->i_uid;
+	vfs_inode->i_gid = dir->i_gid;
 
 	return inode;
 }
@@ -5760,10 +5763,14 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
 	ret = fixup_tree_root_location(fs_info, BTRFS_I(dir), dentry,
 				       &location, &sub_root);
 	if (ret < 0) {
-		if (ret != -ENOENT)
+		if (ret != -ENOENT) {
 			inode = ERR_PTR(ret);
-		else
-			inode = new_simple_dir(dir, &location, root);
+		} else {
+			struct btrfs_inode *b_inode;
+
+			b_inode = new_simple_dir(dir, &location, root);
+			inode = &b_inode->vfs_inode;
+		}
 	} else {
 		inode = btrfs_iget(location.objectid, sub_root);
 		btrfs_put_root(sub_root);
-- 
2.47.1

[PATCH 06/22] btrfs: pass struct btrfs_inode to btrfs_inode_type()

[David Sterba]

Pass a struct btrfs_inode to btrfs_inode() as it's an internal
interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/inode.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ac4dfb896d0f..ef02ba48522a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5721,9 +5721,9 @@ static_assert(BTRFS_FT_FIFO == FT_FIFO);
 static_assert(BTRFS_FT_SOCK == FT_SOCK);
 static_assert(BTRFS_FT_SYMLINK == FT_SYMLINK);
 
-static inline u8 btrfs_inode_type(struct inode *inode)
+static inline u8 btrfs_inode_type(const struct btrfs_inode *inode)
 {
-	return fs_umode_to_ftype(inode->i_mode);
+	return fs_umode_to_ftype(inode->vfs_inode.i_mode);
 }
 
 struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
@@ -5749,10 +5749,10 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
 			return inode;
 
 		/* Do extra check against inode mode with di_type */
-		if (btrfs_inode_type(inode) != di_type) {
+		if (btrfs_inode_type(BTRFS_I(inode)) != di_type) {
 			btrfs_crit(fs_info,
 "inode mode mismatch with dir: inode mode=0%o btrfs type=%u dir type=%u",
-				  inode->i_mode, btrfs_inode_type(inode),
+				  inode->i_mode, btrfs_inode_type(BTRFS_I(inode)),
 				  di_type);
 			iput(inode);
 			return ERR_PTR(-EUCLEAN);
@@ -6553,7 +6553,7 @@ int btrfs_add_link(struct btrfs_trans_handle *trans,
 		return ret;
 
 	ret = btrfs_insert_dir_item(trans, name, parent_inode, &key,
-				    btrfs_inode_type(&inode->vfs_inode), index);
+				    btrfs_inode_type(inode), index);
 	if (ret == -EEXIST || ret == -EOVERFLOW)
 		goto fail_dir_item;
 	else if (ret) {
-- 
2.47.1

[PATCH 07/22] btrfs: pass struct btrfs_inode to btrfs_defrag_file()

[David Sterba]

Pass a struct btrfs_inode to btrfs_defrag_file() as it's an internal
interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/defrag.c | 44 ++++++++++++++++++++++----------------------
 fs/btrfs/defrag.h |  4 ++--
 fs/btrfs/ioctl.c  |  2 +-
 3 files changed, 25 insertions(+), 25 deletions(-)

diff --git a/fs/btrfs/defrag.c b/fs/btrfs/defrag.c
index d1330c138054..4b89094da3de 100644
--- a/fs/btrfs/defrag.c
+++ b/fs/btrfs/defrag.c
@@ -264,8 +264,8 @@ static int btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info,
 	file_ra_state_init(ra, inode->i_mapping);
 
 	sb_start_write(fs_info->sb);
-	ret = btrfs_defrag_file(inode, ra, &range, defrag->transid,
-				       BTRFS_DEFRAG_BATCH);
+	ret = btrfs_defrag_file(BTRFS_I(inode), ra, &range, defrag->transid,
+				BTRFS_DEFRAG_BATCH);
 	sb_end_write(fs_info->sb);
 	iput(inode);
 
@@ -1352,13 +1352,13 @@ static int defrag_one_cluster(struct btrfs_inode *inode,
  * (Mostly for autodefrag, which sets @max_to_defrag thus we may exit early without
  *  defragging all the range).
  */
-int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
+int btrfs_defrag_file(struct btrfs_inode *inode, struct file_ra_state *ra,
 		      struct btrfs_ioctl_defrag_range_args *range,
 		      u64 newer_than, unsigned long max_to_defrag)
 {
-	struct btrfs_fs_info *fs_info = inode_to_fs_info(inode);
+	struct btrfs_fs_info *fs_info = inode->root->fs_info;
 	unsigned long sectors_defragged = 0;
-	u64 isize = i_size_read(inode);
+	u64 isize = i_size_read(&inode->vfs_inode);
 	u64 cur;
 	u64 last_byte;
 	bool do_compress = (range->flags & BTRFS_DEFRAG_RANGE_COMPRESS);
@@ -1402,8 +1402,8 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
 	 * defrag range can be written sequentially.
 	 */
 	start_index = cur >> PAGE_SHIFT;
-	if (start_index < inode->i_mapping->writeback_index)
-		inode->i_mapping->writeback_index = start_index;
+	if (start_index < inode->vfs_inode.i_mapping->writeback_index)
+		inode->vfs_inode.i_mapping->writeback_index = start_index;
 
 	while (cur < last_byte) {
 		const unsigned long prev_sectors_defragged = sectors_defragged;
@@ -1420,27 +1420,27 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
 			       (SZ_256K >> PAGE_SHIFT)) << PAGE_SHIFT) - 1;
 		cluster_end = min(cluster_end, last_byte);
 
-		btrfs_inode_lock(BTRFS_I(inode), 0);
-		if (IS_SWAPFILE(inode)) {
+		btrfs_inode_lock(inode, 0);
+		if (IS_SWAPFILE(&inode->vfs_inode)) {
 			ret = -ETXTBSY;
-			btrfs_inode_unlock(BTRFS_I(inode), 0);
+			btrfs_inode_unlock(inode, 0);
 			break;
 		}
-		if (!(inode->i_sb->s_flags & SB_ACTIVE)) {
-			btrfs_inode_unlock(BTRFS_I(inode), 0);
+		if (!(inode->vfs_inode.i_sb->s_flags & SB_ACTIVE)) {
+			btrfs_inode_unlock(inode, 0);
 			break;
 		}
 		if (do_compress)
-			BTRFS_I(inode)->defrag_compress = compress_type;
-		ret = defrag_one_cluster(BTRFS_I(inode), ra, cur,
+			inode->defrag_compress = compress_type;
+		ret = defrag_one_cluster(inode, ra, cur,
 				cluster_end + 1 - cur, extent_thresh,
 				newer_than, do_compress, &sectors_defragged,
 				max_to_defrag, &last_scanned);
 
 		if (sectors_defragged > prev_sectors_defragged)
-			balance_dirty_pages_ratelimited(inode->i_mapping);
+			balance_dirty_pages_ratelimited(inode->vfs_inode.i_mapping);
 
-		btrfs_inode_unlock(BTRFS_I(inode), 0);
+		btrfs_inode_unlock(inode, 0);
 		if (ret < 0)
 			break;
 		cur = max(cluster_end + 1, last_scanned);
@@ -1462,10 +1462,10 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
 		 * need to be written back immediately.
 		 */
 		if (range->flags & BTRFS_DEFRAG_RANGE_START_IO) {
-			filemap_flush(inode->i_mapping);
+			filemap_flush(inode->vfs_inode.i_mapping);
 			if (test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT,
-				     &BTRFS_I(inode)->runtime_flags))
-				filemap_flush(inode->i_mapping);
+				     &inode->runtime_flags))
+				filemap_flush(inode->vfs_inode.i_mapping);
 		}
 		if (range->compress_type == BTRFS_COMPRESS_LZO)
 			btrfs_set_fs_incompat(fs_info, COMPRESS_LZO);
@@ -1474,9 +1474,9 @@ int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
 		ret = sectors_defragged;
 	}
 	if (do_compress) {
-		btrfs_inode_lock(BTRFS_I(inode), 0);
-		BTRFS_I(inode)->defrag_compress = BTRFS_COMPRESS_NONE;
-		btrfs_inode_unlock(BTRFS_I(inode), 0);
+		btrfs_inode_lock(inode, 0);
+		inode->defrag_compress = BTRFS_COMPRESS_NONE;
+		btrfs_inode_unlock(inode, 0);
 	}
 	return ret;
 }
diff --git a/fs/btrfs/defrag.h b/fs/btrfs/defrag.h
index 6b7596c4f0dc..a7f917a38dbf 100644
--- a/fs/btrfs/defrag.h
+++ b/fs/btrfs/defrag.h
@@ -6,14 +6,14 @@
 #include <linux/types.h>
 #include <linux/compiler_types.h>
 
-struct inode;
 struct file_ra_state;
+struct btrfs_inode;
 struct btrfs_fs_info;
 struct btrfs_root;
 struct btrfs_trans_handle;
 struct btrfs_ioctl_defrag_range_args;
 
-int btrfs_defrag_file(struct inode *inode, struct file_ra_state *ra,
+int btrfs_defrag_file(struct btrfs_inode *inode, struct file_ra_state *ra,
 		      struct btrfs_ioctl_defrag_range_args *range,
 		      u64 newer_than, unsigned long max_to_defrag);
 int __init btrfs_auto_defrag_init(void);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 45b087011324..f3ce82d113be 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -2572,7 +2572,7 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
 			/* the rest are all set to zero by kzalloc */
 			range.len = (u64)-1;
 		}
-		ret = btrfs_defrag_file(file_inode(file), &file->f_ra,
+		ret = btrfs_defrag_file(BTRFS_I(file_inode(file)), &file->f_ra,
 					&range, BTRFS_OLDEST_GENERATION, 0);
 		if (ret > 0)
 			ret = 0;
-- 
2.47.1

[PATCH 08/22] btrfs: use struct btrfs_inode inside create_pending_snapshot()

[David Sterba]

Use a struct btrfs_inode in create_pending_snapshot() as it's an
internal helper, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/transaction.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 47b2f7172374..db8fe291d010 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1635,7 +1635,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	struct btrfs_root *root = pending->root;
 	struct btrfs_root *parent_root;
 	struct btrfs_block_rsv *rsv;
-	struct inode *parent_inode = &pending->dir->vfs_inode;
+	struct btrfs_inode *parent_inode = pending->dir;
 	struct btrfs_path *path;
 	struct btrfs_dir_item *dir_item;
 	struct extent_buffer *tmp;
@@ -1661,7 +1661,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	 * filesystem.
 	 */
 	nofs_flags = memalloc_nofs_save();
-	pending->error = fscrypt_setup_filename(parent_inode,
+	pending->error = fscrypt_setup_filename(&parent_inode->vfs_inode,
 						&pending->dentry->d_name, 0,
 						&fname);
 	memalloc_nofs_restore(nofs_flags);
@@ -1699,16 +1699,16 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	trace_btrfs_space_reservation(fs_info, "transaction",
 				      trans->transid,
 				      trans->bytes_reserved, 1);
-	parent_root = BTRFS_I(parent_inode)->root;
+	parent_root = parent_inode->root;
 	ret = record_root_in_trans(trans, parent_root, 0);
 	if (ret)
 		goto fail;
-	cur_time = current_time(parent_inode);
+	cur_time = current_time(&parent_inode->vfs_inode);
 
 	/*
 	 * insert the directory item
 	 */
-	ret = btrfs_set_inode_index(BTRFS_I(parent_inode), &index);
+	ret = btrfs_set_inode_index(parent_inode, &index);
 	if (ret) {
 		btrfs_abort_transaction(trans, ret);
 		goto fail;
@@ -1716,7 +1716,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 
 	/* check if there is a file/dir which has the same name. */
 	dir_item = btrfs_lookup_dir_item(NULL, parent_root, path,
-					 btrfs_ino(BTRFS_I(parent_inode)),
+					 btrfs_ino(parent_inode),
 					 &fname.disk_name, 0);
 	if (dir_item != NULL && !IS_ERR(dir_item)) {
 		pending->error = -EEXIST;
@@ -1817,7 +1817,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 	 */
 	ret = btrfs_add_root_ref(trans, objectid,
 				 btrfs_root_id(parent_root),
-				 btrfs_ino(BTRFS_I(parent_inode)), index,
+				 btrfs_ino(parent_inode), index,
 				 &fname.disk_name);
 	if (ret) {
 		btrfs_abort_transaction(trans, ret);
@@ -1855,18 +1855,18 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
 		goto fail;
 
 	ret = btrfs_insert_dir_item(trans, &fname.disk_name,
-				    BTRFS_I(parent_inode), &key, BTRFS_FT_DIR,
+				    parent_inode, &key, BTRFS_FT_DIR,
 				    index);
 	if (ret) {
 		btrfs_abort_transaction(trans, ret);
 		goto fail;
 	}
 
-	btrfs_i_size_write(BTRFS_I(parent_inode), parent_inode->i_size +
+	btrfs_i_size_write(parent_inode, parent_inode->vfs_inode.i_size +
 						  fname.disk_name.len * 2);
-	inode_set_mtime_to_ts(parent_inode,
-			      inode_set_ctime_current(parent_inode));
-	ret = btrfs_update_inode_fallback(trans, BTRFS_I(parent_inode));
+	inode_set_mtime_to_ts(&parent_inode->vfs_inode,
+			      inode_set_ctime_current(&parent_inode->vfs_inode));
+	ret = btrfs_update_inode_fallback(trans, parent_inode);
 	if (ret) {
 		btrfs_abort_transaction(trans, ret);
 		goto fail;
-- 
2.47.1

[PATCH 09/22] btrfs: pass struct btrfs_inode to fill_stack_inode_item()

[David Sterba]

Pass a struct btrfs_inode to fill_stack_inode_item() as it's an internal
interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/delayed-inode.c | 46 +++++++++++++++++++---------------------
 1 file changed, 22 insertions(+), 24 deletions(-)

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 0b4933c6a889..bcafbb5ba61d 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1817,44 +1817,43 @@ int btrfs_readdir_delayed_dir_index(struct dir_context *ctx,
 
 static void fill_stack_inode_item(struct btrfs_trans_handle *trans,
 				  struct btrfs_inode_item *inode_item,
-				  struct inode *inode)
+				  struct btrfs_inode *inode)
 {
+	struct inode *vfs_inode = &inode->vfs_inode;
 	u64 flags;
 
-	btrfs_set_stack_inode_uid(inode_item, i_uid_read(inode));
-	btrfs_set_stack_inode_gid(inode_item, i_gid_read(inode));
-	btrfs_set_stack_inode_size(inode_item, BTRFS_I(inode)->disk_i_size);
-	btrfs_set_stack_inode_mode(inode_item, inode->i_mode);
-	btrfs_set_stack_inode_nlink(inode_item, inode->i_nlink);
-	btrfs_set_stack_inode_nbytes(inode_item, inode_get_bytes(inode));
-	btrfs_set_stack_inode_generation(inode_item,
-					 BTRFS_I(inode)->generation);
+	btrfs_set_stack_inode_uid(inode_item, i_uid_read(vfs_inode));
+	btrfs_set_stack_inode_gid(inode_item, i_gid_read(vfs_inode));
+	btrfs_set_stack_inode_size(inode_item, inode->disk_i_size);
+	btrfs_set_stack_inode_mode(inode_item, vfs_inode->i_mode);
+	btrfs_set_stack_inode_nlink(inode_item, vfs_inode->i_nlink);
+	btrfs_set_stack_inode_nbytes(inode_item, inode_get_bytes(vfs_inode));
+	btrfs_set_stack_inode_generation(inode_item, inode->generation);
 	btrfs_set_stack_inode_sequence(inode_item,
-				       inode_peek_iversion(inode));
+				       inode_peek_iversion(vfs_inode));
 	btrfs_set_stack_inode_transid(inode_item, trans->transid);
-	btrfs_set_stack_inode_rdev(inode_item, inode->i_rdev);
-	flags = btrfs_inode_combine_flags(BTRFS_I(inode)->flags,
-					  BTRFS_I(inode)->ro_flags);
+	btrfs_set_stack_inode_rdev(inode_item, vfs_inode->i_rdev);
+	flags = btrfs_inode_combine_flags(inode->flags, inode->ro_flags);
 	btrfs_set_stack_inode_flags(inode_item, flags);
 	btrfs_set_stack_inode_block_group(inode_item, 0);
 
 	btrfs_set_stack_timespec_sec(&inode_item->atime,
-				     inode_get_atime_sec(inode));
+				     inode_get_atime_sec(vfs_inode));
 	btrfs_set_stack_timespec_nsec(&inode_item->atime,
-				      inode_get_atime_nsec(inode));
+				      inode_get_atime_nsec(vfs_inode));
 
 	btrfs_set_stack_timespec_sec(&inode_item->mtime,
-				     inode_get_mtime_sec(inode));
+				     inode_get_mtime_sec(vfs_inode));
 	btrfs_set_stack_timespec_nsec(&inode_item->mtime,
-				      inode_get_mtime_nsec(inode));
+				      inode_get_mtime_nsec(vfs_inode));
 
 	btrfs_set_stack_timespec_sec(&inode_item->ctime,
-				     inode_get_ctime_sec(inode));
+				     inode_get_ctime_sec(vfs_inode));
 	btrfs_set_stack_timespec_nsec(&inode_item->ctime,
-				      inode_get_ctime_nsec(inode));
+				      inode_get_ctime_nsec(vfs_inode));
 
-	btrfs_set_stack_timespec_sec(&inode_item->otime, BTRFS_I(inode)->i_otime_sec);
-	btrfs_set_stack_timespec_nsec(&inode_item->otime, BTRFS_I(inode)->i_otime_nsec);
+	btrfs_set_stack_timespec_sec(&inode_item->otime, inode->i_otime_sec);
+	btrfs_set_stack_timespec_nsec(&inode_item->otime, inode->i_otime_nsec);
 }
 
 int btrfs_fill_inode(struct inode *inode, u32 *rdev)
@@ -1928,8 +1927,7 @@ int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans,
 
 	mutex_lock(&delayed_node->mutex);
 	if (test_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags)) {
-		fill_stack_inode_item(trans, &delayed_node->inode_item,
-				      &inode->vfs_inode);
+		fill_stack_inode_item(trans, &delayed_node->inode_item, inode);
 		goto release_node;
 	}
 
@@ -1937,7 +1935,7 @@ int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans,
 	if (ret)
 		goto release_node;
 
-	fill_stack_inode_item(trans, &delayed_node->inode_item, &inode->vfs_inode);
+	fill_stack_inode_item(trans, &delayed_node->inode_item, inode);
 	set_bit(BTRFS_DELAYED_NODE_INODE_DIRTY, &delayed_node->flags);
 	delayed_node->count++;
 	atomic_inc(&root->fs_info->delayed_root->items);
-- 
2.47.1

[PATCH 10/22] btrfs: pass struct btrfs_inode to btrfs_fill_inode()

[David Sterba]

Pass a struct btrfs_inode to btrfs_fill_inode() as it's an internal
interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/delayed-inode.c | 49 ++++++++++++++++++++--------------------
 fs/btrfs/delayed-inode.h |  2 +-
 fs/btrfs/inode.c         |  2 +-
 3 files changed, 27 insertions(+), 26 deletions(-)

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index bcafbb5ba61d..b18052213a5d 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1856,13 +1856,14 @@ static void fill_stack_inode_item(struct btrfs_trans_handle *trans,
 	btrfs_set_stack_timespec_nsec(&inode_item->otime, inode->i_otime_nsec);
 }
 
-int btrfs_fill_inode(struct inode *inode, u32 *rdev)
+int btrfs_fill_inode(struct btrfs_inode *inode, u32 *rdev)
 {
-	struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;
+	struct btrfs_fs_info *fs_info = inode->root->fs_info;
 	struct btrfs_delayed_node *delayed_node;
 	struct btrfs_inode_item *inode_item;
+	struct inode *vfs_inode = &inode->vfs_inode;
 
-	delayed_node = btrfs_get_delayed_node(BTRFS_I(inode));
+	delayed_node = btrfs_get_delayed_node(inode);
 	if (!delayed_node)
 		return -ENOENT;
 
@@ -1875,39 +1876,39 @@ int btrfs_fill_inode(struct inode *inode, u32 *rdev)
 
 	inode_item = &delayed_node->inode_item;
 
-	i_uid_write(inode, btrfs_stack_inode_uid(inode_item));
-	i_gid_write(inode, btrfs_stack_inode_gid(inode_item));
-	btrfs_i_size_write(BTRFS_I(inode), btrfs_stack_inode_size(inode_item));
-	btrfs_inode_set_file_extent_range(BTRFS_I(inode), 0,
-			round_up(i_size_read(inode), fs_info->sectorsize));
-	inode->i_mode = btrfs_stack_inode_mode(inode_item);
-	set_nlink(inode, btrfs_stack_inode_nlink(inode_item));
-	inode_set_bytes(inode, btrfs_stack_inode_nbytes(inode_item));
-	BTRFS_I(inode)->generation = btrfs_stack_inode_generation(inode_item);
-        BTRFS_I(inode)->last_trans = btrfs_stack_inode_transid(inode_item);
+	i_uid_write(vfs_inode, btrfs_stack_inode_uid(inode_item));
+	i_gid_write(vfs_inode, btrfs_stack_inode_gid(inode_item));
+	btrfs_i_size_write(inode, btrfs_stack_inode_size(inode_item));
+	btrfs_inode_set_file_extent_range(inode, 0,
+			round_up(i_size_read(vfs_inode), fs_info->sectorsize));
+	vfs_inode->i_mode = btrfs_stack_inode_mode(inode_item);
+	set_nlink(vfs_inode, btrfs_stack_inode_nlink(inode_item));
+	inode_set_bytes(vfs_inode, btrfs_stack_inode_nbytes(inode_item));
+	inode->generation = btrfs_stack_inode_generation(inode_item);
+        inode->last_trans = btrfs_stack_inode_transid(inode_item);
 
-	inode_set_iversion_queried(inode,
+	inode_set_iversion_queried(vfs_inode,
 				   btrfs_stack_inode_sequence(inode_item));
-	inode->i_rdev = 0;
+	vfs_inode->i_rdev = 0;
 	*rdev = btrfs_stack_inode_rdev(inode_item);
 	btrfs_inode_split_flags(btrfs_stack_inode_flags(inode_item),
-				&BTRFS_I(inode)->flags, &BTRFS_I(inode)->ro_flags);
+				&inode->flags, &inode->ro_flags);
 
-	inode_set_atime(inode, btrfs_stack_timespec_sec(&inode_item->atime),
+	inode_set_atime(vfs_inode, btrfs_stack_timespec_sec(&inode_item->atime),
 			btrfs_stack_timespec_nsec(&inode_item->atime));
 
-	inode_set_mtime(inode, btrfs_stack_timespec_sec(&inode_item->mtime),
+	inode_set_mtime(vfs_inode, btrfs_stack_timespec_sec(&inode_item->mtime),
 			btrfs_stack_timespec_nsec(&inode_item->mtime));
 
-	inode_set_ctime(inode, btrfs_stack_timespec_sec(&inode_item->ctime),
+	inode_set_ctime(vfs_inode, btrfs_stack_timespec_sec(&inode_item->ctime),
 			btrfs_stack_timespec_nsec(&inode_item->ctime));
 
-	BTRFS_I(inode)->i_otime_sec = btrfs_stack_timespec_sec(&inode_item->otime);
-	BTRFS_I(inode)->i_otime_nsec = btrfs_stack_timespec_nsec(&inode_item->otime);
+	inode->i_otime_sec = btrfs_stack_timespec_sec(&inode_item->otime);
+	inode->i_otime_nsec = btrfs_stack_timespec_nsec(&inode_item->otime);
 
-	inode->i_generation = BTRFS_I(inode)->generation;
-	if (S_ISDIR(inode->i_mode))
-		BTRFS_I(inode)->index_cnt = (u64)-1;
+	vfs_inode->i_generation = inode->generation;
+	if (S_ISDIR(vfs_inode->i_mode))
+		inode->index_cnt = (u64)-1;
 
 	mutex_unlock(&delayed_node->mutex);
 	btrfs_release_delayed_node(delayed_node);
diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h
index f4d9feac0d0e..c4b4ba122beb 100644
--- a/fs/btrfs/delayed-inode.h
+++ b/fs/btrfs/delayed-inode.h
@@ -133,7 +133,7 @@ int btrfs_commit_inode_delayed_inode(struct btrfs_inode *inode);
 
 int btrfs_delayed_update_inode(struct btrfs_trans_handle *trans,
 			       struct btrfs_inode *inode);
-int btrfs_fill_inode(struct inode *inode, u32 *rdev);
+int btrfs_fill_inode(struct btrfs_inode *inode, u32 *rdev);
 int btrfs_delayed_delete_inode_ref(struct btrfs_inode *inode);
 
 /* Used for drop dead root */
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ef02ba48522a..c21d60de936d 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3865,7 +3865,7 @@ static int btrfs_read_locked_inode(struct btrfs_inode *inode, struct btrfs_path
 	if (ret)
 		goto out;
 
-	ret = btrfs_fill_inode(vfs_inode, &rdev);
+	ret = btrfs_fill_inode(inode, &rdev);
 	if (!ret)
 		filled = true;
 
-- 
2.47.1

[PATCH 11/22] btrfs: pass struct btrfs_inode to btrfs_load_inode_props()

[David Sterba]

Pass a struct btrfs_inode to btrfs_load_inode_props() as it's an
internal interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/inode.c | 2 +-
 fs/btrfs/props.c | 9 +++++----
 fs/btrfs/props.h | 2 +-
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c21d60de936d..8be41aec8dc6 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4007,7 +4007,7 @@ static int btrfs_read_locked_inode(struct btrfs_inode *inode, struct btrfs_path
 					   btrfs_ino(inode), &first_xattr_slot);
 	if (first_xattr_slot != -1) {
 		path->slots[0] = first_xattr_slot;
-		ret = btrfs_load_inode_props(vfs_inode, path);
+		ret = btrfs_load_inode_props(inode, path);
 		if (ret)
 			btrfs_err(fs_info,
 				  "error loading props for ino %llu (root %llu): %d",
diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c
index b8fa34e16abb..74d3217fc686 100644
--- a/fs/btrfs/props.c
+++ b/fs/btrfs/props.c
@@ -273,12 +273,13 @@ static void inode_prop_iterator(void *ctx,
 		set_bit(BTRFS_INODE_HAS_PROPS, &BTRFS_I(inode)->runtime_flags);
 }
 
-int btrfs_load_inode_props(struct inode *inode, struct btrfs_path *path)
+int btrfs_load_inode_props(struct btrfs_inode *inode, struct btrfs_path *path)
 {
-	struct btrfs_root *root = BTRFS_I(inode)->root;
-	u64 ino = btrfs_ino(BTRFS_I(inode));
+	struct btrfs_root *root = inode->root;
+	u64 ino = btrfs_ino(inode);
 
-	return iterate_object_props(root, path, ino, inode_prop_iterator, inode);
+	return iterate_object_props(root, path, ino, inode_prop_iterator,
+				    &inode->vfs_inode);
 }
 
 static int prop_compression_validate(const struct btrfs_inode *inode,
diff --git a/fs/btrfs/props.h b/fs/btrfs/props.h
index 86849d4e7938..a0cc2a7a1e2e 100644
--- a/fs/btrfs/props.h
+++ b/fs/btrfs/props.h
@@ -23,7 +23,7 @@ int btrfs_validate_prop(const struct btrfs_inode *inode, const char *name,
 			const char *value, size_t value_len);
 bool btrfs_ignore_prop(const struct btrfs_inode *inode, const char *name);
 
-int btrfs_load_inode_props(struct inode *inode, struct btrfs_path *path);
+int btrfs_load_inode_props(struct btrfs_inode *inode, struct btrfs_path *path);
 
 int btrfs_inode_inherit_props(struct btrfs_trans_handle *trans,
 			      struct inode *inode,
-- 
2.47.1

[PATCH 12/22] btrfs: pass struct btrfs_inode to btrfs_inode_inherit_props()

[David Sterba]

Pass a struct btrfs_inode to btrfs_inherit_props() as it's an internal
interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/inode.c |  6 ++++--
 fs/btrfs/props.c | 23 +++++++++++------------
 fs/btrfs/props.h |  5 ++---
 3 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8be41aec8dc6..a1ea93bad80e 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6451,11 +6451,13 @@ int btrfs_create_new_inode(struct btrfs_trans_handle *trans,
 		if (IS_ERR(parent)) {
 			ret = PTR_ERR(parent);
 		} else {
-			ret = btrfs_inode_inherit_props(trans, inode, parent);
+			ret = btrfs_inode_inherit_props(trans, BTRFS_I(inode),
+							BTRFS_I(parent));
 			iput(parent);
 		}
 	} else {
-		ret = btrfs_inode_inherit_props(trans, inode, dir);
+		ret = btrfs_inode_inherit_props(trans, BTRFS_I(inode),
+						BTRFS_I(dir));
 	}
 	if (ret) {
 		btrfs_err(fs_info,
diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c
index 74d3217fc686..16e84a2e24f4 100644
--- a/fs/btrfs/props.c
+++ b/fs/btrfs/props.c
@@ -386,16 +386,16 @@ static struct prop_handler prop_handlers[] = {
 };
 
 int btrfs_inode_inherit_props(struct btrfs_trans_handle *trans,
-			      struct inode *inode, const struct inode *parent)
+			      struct btrfs_inode *inode,
+			      const struct btrfs_inode *parent)
 {
-	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_root *root = inode->root;
 	struct btrfs_fs_info *fs_info = root->fs_info;
 	int ret;
 	int i;
 	bool need_reserve = false;
 
-	if (!test_bit(BTRFS_INODE_HAS_PROPS,
-		      &BTRFS_I(parent)->runtime_flags))
+	if (!test_bit(BTRFS_INODE_HAS_PROPS, &parent->runtime_flags))
 		return 0;
 
 	for (i = 0; i < ARRAY_SIZE(prop_handlers); i++) {
@@ -406,10 +406,10 @@ int btrfs_inode_inherit_props(struct btrfs_trans_handle *trans,
 		if (!h->inheritable)
 			continue;
 
-		if (h->ignore(BTRFS_I(inode)))
+		if (h->ignore(inode))
 			continue;
 
-		value = h->extract(parent);
+		value = h->extract(&parent->vfs_inode);
 		if (!value)
 			continue;
 
@@ -417,7 +417,7 @@ int btrfs_inode_inherit_props(struct btrfs_trans_handle *trans,
 		 * This is not strictly necessary as the property should be
 		 * valid, but in case it isn't, don't propagate it further.
 		 */
-		ret = h->validate(BTRFS_I(inode), value, strlen(value));
+		ret = h->validate(inode, value, strlen(value));
 		if (ret)
 			continue;
 
@@ -437,16 +437,15 @@ int btrfs_inode_inherit_props(struct btrfs_trans_handle *trans,
 				return ret;
 		}
 
-		ret = btrfs_setxattr(trans, inode, h->xattr_name, value,
+		ret = btrfs_setxattr(trans, &inode->vfs_inode, h->xattr_name, value,
 				     strlen(value), 0);
 		if (!ret) {
-			ret = h->apply(inode, value, strlen(value));
+			ret = h->apply(&inode->vfs_inode, value, strlen(value));
 			if (ret)
-				btrfs_setxattr(trans, inode, h->xattr_name,
+				btrfs_setxattr(trans, &inode->vfs_inode, h->xattr_name,
 					       NULL, 0, 0);
 			else
-				set_bit(BTRFS_INODE_HAS_PROPS,
-					&BTRFS_I(inode)->runtime_flags);
+				set_bit(BTRFS_INODE_HAS_PROPS, &inode->runtime_flags);
 		}
 
 		if (need_reserve) {
diff --git a/fs/btrfs/props.h b/fs/btrfs/props.h
index a0cc2a7a1e2e..15d9a025c923 100644
--- a/fs/btrfs/props.h
+++ b/fs/btrfs/props.h
@@ -9,7 +9,6 @@
 #include <linux/types.h>
 #include <linux/compiler_types.h>
 
-struct inode;
 struct btrfs_inode;
 struct btrfs_path;
 struct btrfs_trans_handle;
@@ -26,7 +25,7 @@ bool btrfs_ignore_prop(const struct btrfs_inode *inode, const char *name);
 int btrfs_load_inode_props(struct btrfs_inode *inode, struct btrfs_path *path);
 
 int btrfs_inode_inherit_props(struct btrfs_trans_handle *trans,
-			      struct inode *inode,
-			      const struct inode *dir);
+			      struct btrfs_inode *inode,
+			      const struct btrfs_inode *dir);
 
 #endif
-- 
2.47.1

[PATCH 13/22] btrfs: props: switch prop_handler::apply to struct btrfs_inode

[David Sterba]

Pass a struct btrfs_inode to the apply() callback as it's an internal
interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/props.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c
index 16e84a2e24f4..10af7088e7ab 100644
--- a/fs/btrfs/props.c
+++ b/fs/btrfs/props.c
@@ -26,7 +26,7 @@ struct prop_handler {
 	const char *xattr_name;
 	int (*validate)(const struct btrfs_inode *inode, const char *value,
 			size_t len);
-	int (*apply)(struct inode *inode, const char *value, size_t len);
+	int (*apply)(struct btrfs_inode *inode, const char *value, size_t len);
 	const char *(*extract)(const struct inode *inode);
 	bool (*ignore)(const struct btrfs_inode *inode);
 	int inheritable;
@@ -121,7 +121,7 @@ int btrfs_set_prop(struct btrfs_trans_handle *trans, struct btrfs_inode *inode,
 		if (ret)
 			return ret;
 
-		ret = handler->apply(&inode->vfs_inode, NULL, 0);
+		ret = handler->apply(inode, NULL, 0);
 		ASSERT(ret == 0);
 
 		return ret;
@@ -131,7 +131,7 @@ int btrfs_set_prop(struct btrfs_trans_handle *trans, struct btrfs_inode *inode,
 			     value_len, flags);
 	if (ret)
 		return ret;
-	ret = handler->apply(&inode->vfs_inode, value, value_len);
+	ret = handler->apply(inode, value, value_len);
 	if (ret) {
 		btrfs_setxattr(trans, &inode->vfs_inode, handler->xattr_name, NULL,
 			       0, flags);
@@ -263,7 +263,7 @@ static void inode_prop_iterator(void *ctx,
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	int ret;
 
-	ret = handler->apply(inode, value, len);
+	ret = handler->apply(BTRFS_I(inode), value, len);
 	if (unlikely(ret))
 		btrfs_warn(root->fs_info,
 			   "error applying prop %s to ino %llu (root %llu): %d",
@@ -301,26 +301,26 @@ static int prop_compression_validate(const struct btrfs_inode *inode,
 	return -EINVAL;
 }
 
-static int prop_compression_apply(struct inode *inode, const char *value,
+static int prop_compression_apply(struct btrfs_inode *inode, const char *value,
 				  size_t len)
 {
-	struct btrfs_fs_info *fs_info = inode_to_fs_info(inode);
+	struct btrfs_fs_info *fs_info = inode->root->fs_info;
 	int type;
 
 	/* Reset to defaults */
 	if (len == 0) {
-		BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS;
-		BTRFS_I(inode)->flags &= ~BTRFS_INODE_NOCOMPRESS;
-		BTRFS_I(inode)->prop_compress = BTRFS_COMPRESS_NONE;
+		inode->flags &= ~BTRFS_INODE_COMPRESS;
+		inode->flags &= ~BTRFS_INODE_NOCOMPRESS;
+		inode->prop_compress = BTRFS_COMPRESS_NONE;
 		return 0;
 	}
 
 	/* Set NOCOMPRESS flag */
 	if ((len == 2 && strncmp("no", value, 2) == 0) ||
 	    (len == 4 && strncmp("none", value, 4) == 0)) {
-		BTRFS_I(inode)->flags |= BTRFS_INODE_NOCOMPRESS;
-		BTRFS_I(inode)->flags &= ~BTRFS_INODE_COMPRESS;
-		BTRFS_I(inode)->prop_compress = BTRFS_COMPRESS_NONE;
+		inode->flags |= BTRFS_INODE_NOCOMPRESS;
+		inode->flags &= ~BTRFS_INODE_COMPRESS;
+		inode->prop_compress = BTRFS_COMPRESS_NONE;
 
 		return 0;
 	}
@@ -337,9 +337,9 @@ static int prop_compression_apply(struct inode *inode, const char *value,
 		return -EINVAL;
 	}
 
-	BTRFS_I(inode)->flags &= ~BTRFS_INODE_NOCOMPRESS;
-	BTRFS_I(inode)->flags |= BTRFS_INODE_COMPRESS;
-	BTRFS_I(inode)->prop_compress = type;
+	inode->flags &= ~BTRFS_INODE_NOCOMPRESS;
+	inode->flags |= BTRFS_INODE_COMPRESS;
+	inode->prop_compress = type;
 
 	return 0;
 }
@@ -440,7 +440,7 @@ int btrfs_inode_inherit_props(struct btrfs_trans_handle *trans,
 		ret = btrfs_setxattr(trans, &inode->vfs_inode, h->xattr_name, value,
 				     strlen(value), 0);
 		if (!ret) {
-			ret = h->apply(&inode->vfs_inode, value, strlen(value));
+			ret = h->apply(inode, value, strlen(value));
 			if (ret)
 				btrfs_setxattr(trans, &inode->vfs_inode, h->xattr_name,
 					       NULL, 0, 0);
-- 
2.47.1

[PATCH 14/22] btrfs: props: switch prop_handler::extract to struct btrfs_inode

[David Sterba]

Pass a struct btrfs_inode to the extract() callback as it's an internal
interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/props.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/props.c b/fs/btrfs/props.c
index 10af7088e7ab..adc956432d2f 100644
--- a/fs/btrfs/props.c
+++ b/fs/btrfs/props.c
@@ -27,7 +27,7 @@ struct prop_handler {
 	int (*validate)(const struct btrfs_inode *inode, const char *value,
 			size_t len);
 	int (*apply)(struct btrfs_inode *inode, const char *value, size_t len);
-	const char *(*extract)(const struct inode *inode);
+	const char *(*extract)(const struct btrfs_inode *inode);
 	bool (*ignore)(const struct btrfs_inode *inode);
 	int inheritable;
 };
@@ -360,13 +360,13 @@ static bool prop_compression_ignore(const struct btrfs_inode *inode)
 	return false;
 }
 
-static const char *prop_compression_extract(const struct inode *inode)
+static const char *prop_compression_extract(const struct btrfs_inode *inode)
 {
-	switch (BTRFS_I(inode)->prop_compress) {
+	switch (inode->prop_compress) {
 	case BTRFS_COMPRESS_ZLIB:
 	case BTRFS_COMPRESS_LZO:
 	case BTRFS_COMPRESS_ZSTD:
-		return btrfs_compress_type2str(BTRFS_I(inode)->prop_compress);
+		return btrfs_compress_type2str(inode->prop_compress);
 	default:
 		break;
 	}
@@ -409,7 +409,7 @@ int btrfs_inode_inherit_props(struct btrfs_trans_handle *trans,
 		if (h->ignore(inode))
 			continue;
 
-		value = h->extract(&parent->vfs_inode);
+		value = h->extract(parent);
 		if (!value)
 			continue;
 
-- 
2.47.1

[PATCH 15/22] btrfs: pass struct btrfs_inode to clone_copy_inline_extent()

[David Sterba]

Pass a struct btrfs_inode to clone_copy_inline_extent() as it's an
internal interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/reflink.c | 28 ++++++++++++++--------------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index f0824c948cb7..8640dbf1aefa 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -165,7 +165,7 @@ static int copy_inline_to_page(struct btrfs_inode *inode,
  * the source inode to destination inode when possible. When not possible we
  * copy the inline extent's data into the respective page of the inode.
  */
-static int clone_copy_inline_extent(struct inode *dst,
+static int clone_copy_inline_extent(struct btrfs_inode *inode,
 				    struct btrfs_path *path,
 				    struct btrfs_key *new_key,
 				    const u64 drop_start,
@@ -175,8 +175,8 @@ static int clone_copy_inline_extent(struct inode *dst,
 				    char *inline_data,
 				    struct btrfs_trans_handle **trans_out)
 {
-	struct btrfs_fs_info *fs_info = inode_to_fs_info(dst);
-	struct btrfs_root *root = BTRFS_I(dst)->root;
+	struct btrfs_root *root = inode->root;
+	struct btrfs_fs_info *fs_info = root->fs_info;
 	const u64 aligned_end = ALIGN(new_key->offset + datal,
 				      fs_info->sectorsize);
 	struct btrfs_trans_handle *trans = NULL;
@@ -185,12 +185,12 @@ static int clone_copy_inline_extent(struct inode *dst,
 	struct btrfs_key key;
 
 	if (new_key->offset > 0) {
-		ret = copy_inline_to_page(BTRFS_I(dst), new_key->offset,
+		ret = copy_inline_to_page(inode, new_key->offset,
 					  inline_data, size, datal, comp_type);
 		goto out;
 	}
 
-	key.objectid = btrfs_ino(BTRFS_I(dst));
+	key.objectid = btrfs_ino(inode);
 	key.type = BTRFS_EXTENT_DATA_KEY;
 	key.offset = 0;
 	ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
@@ -205,7 +205,7 @@ static int clone_copy_inline_extent(struct inode *dst,
 				goto copy_inline_extent;
 		}
 		btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
-		if (key.objectid == btrfs_ino(BTRFS_I(dst)) &&
+		if (key.objectid == btrfs_ino(inode) &&
 		    key.type == BTRFS_EXTENT_DATA_KEY) {
 			/*
 			 * There's an implicit hole at file offset 0, copy the
@@ -214,7 +214,7 @@ static int clone_copy_inline_extent(struct inode *dst,
 			ASSERT(key.offset > 0);
 			goto copy_to_page;
 		}
-	} else if (i_size_read(dst) <= datal) {
+	} else if (i_size_read(&inode->vfs_inode) <= datal) {
 		struct btrfs_file_extent_item *ei;
 
 		ei = btrfs_item_ptr(path->nodes[0], path->slots[0],
@@ -236,7 +236,7 @@ static int clone_copy_inline_extent(struct inode *dst,
 	 * We have no extent items, or we have an extent at offset 0 which may
 	 * or may not be inlined. All these cases are dealt the same way.
 	 */
-	if (i_size_read(dst) > datal) {
+	if (i_size_read(&inode->vfs_inode) > datal) {
 		/*
 		 * At the destination offset 0 we have either a hole, a regular
 		 * extent or an inline extent larger then the one we want to
@@ -270,7 +270,7 @@ static int clone_copy_inline_extent(struct inode *dst,
 	drop_args.start = drop_start;
 	drop_args.end = aligned_end;
 	drop_args.drop_cache = true;
-	ret = btrfs_drop_extents(trans, root, BTRFS_I(dst), &drop_args);
+	ret = btrfs_drop_extents(trans, root, inode, &drop_args);
 	if (ret)
 		goto out;
 	ret = btrfs_insert_empty_item(trans, root, path, new_key, size);
@@ -281,9 +281,9 @@ static int clone_copy_inline_extent(struct inode *dst,
 			    btrfs_item_ptr_offset(path->nodes[0],
 						  path->slots[0]),
 			    size);
-	btrfs_update_inode_bytes(BTRFS_I(dst), datal, drop_args.bytes_found);
-	btrfs_set_inode_full_sync(BTRFS_I(dst));
-	ret = btrfs_inode_set_file_extent_range(BTRFS_I(dst), 0, aligned_end);
+	btrfs_update_inode_bytes(inode, datal, drop_args.bytes_found);
+	btrfs_set_inode_full_sync(inode);
+	ret = btrfs_inode_set_file_extent_range(inode, 0, aligned_end);
 out:
 	if (!ret && !trans) {
 		/*
@@ -318,7 +318,7 @@ static int clone_copy_inline_extent(struct inode *dst,
 	 */
 	btrfs_release_path(path);
 
-	ret = copy_inline_to_page(BTRFS_I(dst), new_key->offset,
+	ret = copy_inline_to_page(inode, new_key->offset,
 				  inline_data, size, datal, comp_type);
 	goto out;
 }
@@ -526,7 +526,7 @@ static int btrfs_clone(struct inode *src, struct inode *inode,
 				goto out;
 			}
 
-			ret = clone_copy_inline_extent(inode, path, &new_key,
+			ret = clone_copy_inline_extent(BTRFS_I(inode), path, &new_key,
 						       drop_start, datal, size,
 						       comp, buf, &trans);
 			if (ret)
-- 
2.47.1

[PATCH 16/22] btrfs: pass struct btrfs_inode to btrfs_double_mmap_lock()

[David Sterba]

Pass a struct btrfs_inode to btrfs_double_mmap_lock() as it's an
internal interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/reflink.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index 8640dbf1aefa..2e000e96d026 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -617,12 +617,12 @@ static int btrfs_clone(struct inode *src, struct inode *inode,
 	return ret;
 }
 
-static void btrfs_double_mmap_lock(struct inode *inode1, struct inode *inode2)
+static void btrfs_double_mmap_lock(struct btrfs_inode *inode1, struct btrfs_inode *inode2)
 {
 	if (inode1 < inode2)
 		swap(inode1, inode2);
-	down_write(&BTRFS_I(inode1)->i_mmap_lock);
-	down_write_nested(&BTRFS_I(inode2)->i_mmap_lock, SINGLE_DEPTH_NESTING);
+	down_write(&inode1->i_mmap_lock);
+	down_write_nested(&inode2->i_mmap_lock, SINGLE_DEPTH_NESTING);
 }
 
 static void btrfs_double_mmap_unlock(struct inode *inode1, struct inode *inode2)
@@ -875,7 +875,7 @@ loff_t btrfs_remap_file_range(struct file *src_file, loff_t off,
 		btrfs_inode_lock(BTRFS_I(src_inode), BTRFS_ILOCK_MMAP);
 	} else {
 		lock_two_nondirectories(src_inode, dst_inode);
-		btrfs_double_mmap_lock(src_inode, dst_inode);
+		btrfs_double_mmap_lock(BTRFS_I(src_inode), BTRFS_I(dst_inode));
 	}
 
 	ret = btrfs_remap_file_range_prep(src_file, off, dst_file, destoff,
-- 
2.47.1

[PATCH 17/22] btrfs: pass struct btrfs_inode to btrfs_double_mmap_unlock()

[David Sterba]

Pass a struct btrfs_inode to btrfs_double_mmap_unlock() as it's an
internal interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/reflink.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index 2e000e96d026..f3aa3f4e9684 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -625,10 +625,10 @@ static void btrfs_double_mmap_lock(struct btrfs_inode *inode1, struct btrfs_inod
 	down_write_nested(&inode2->i_mmap_lock, SINGLE_DEPTH_NESTING);
 }
 
-static void btrfs_double_mmap_unlock(struct inode *inode1, struct inode *inode2)
+static void btrfs_double_mmap_unlock(struct btrfs_inode *inode1, struct btrfs_inode *inode2)
 {
-	up_write(&BTRFS_I(inode1)->i_mmap_lock);
-	up_write(&BTRFS_I(inode2)->i_mmap_lock);
+	up_write(&inode1->i_mmap_lock);
+	up_write(&inode2->i_mmap_lock);
 }
 
 static int btrfs_extent_same_range(struct inode *src, u64 loff, u64 len,
@@ -892,7 +892,7 @@ loff_t btrfs_remap_file_range(struct file *src_file, loff_t off,
 	if (same_inode) {
 		btrfs_inode_unlock(BTRFS_I(src_inode), BTRFS_ILOCK_MMAP);
 	} else {
-		btrfs_double_mmap_unlock(src_inode, dst_inode);
+		btrfs_double_mmap_unlock(BTRFS_I(src_inode), BTRFS_I(dst_inode));
 		unlock_two_nondirectories(src_inode, dst_inode);
 	}
 
-- 
2.47.1

[PATCH 18/22] btrfs: pass struct btrfs_inode to btrfs_extent_same_range()

[David Sterba]

Pass a struct btrfs_inode to btrfs_extent_same_range() as it's an
internal interface, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/reflink.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index f3aa3f4e9684..63d4a4d22801 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -631,12 +631,12 @@ static void btrfs_double_mmap_unlock(struct btrfs_inode *inode1, struct btrfs_in
 	up_write(&inode2->i_mmap_lock);
 }
 
-static int btrfs_extent_same_range(struct inode *src, u64 loff, u64 len,
-				   struct inode *dst, u64 dst_loff)
+static int btrfs_extent_same_range(struct btrfs_inode *src, u64 loff, u64 len,
+				   struct btrfs_inode *dst, u64 dst_loff)
 {
 	const u64 end = dst_loff + len - 1;
 	struct extent_state *cached_state = NULL;
-	struct btrfs_fs_info *fs_info = BTRFS_I(src)->root->fs_info;
+	struct btrfs_fs_info *fs_info = src->root->fs_info;
 	const u64 bs = fs_info->sectorsize;
 	int ret;
 
@@ -646,9 +646,10 @@ static int btrfs_extent_same_range(struct inode *src, u64 loff, u64 len,
 	 * because we have already locked the inode's i_mmap_lock in exclusive
 	 * mode.
 	 */
-	lock_extent(&BTRFS_I(dst)->io_tree, dst_loff, end, &cached_state);
-	ret = btrfs_clone(src, dst, loff, len, ALIGN(len, bs), dst_loff, 1);
-	unlock_extent(&BTRFS_I(dst)->io_tree, dst_loff, end, &cached_state);
+	lock_extent(&dst->io_tree, dst_loff, end, &cached_state);
+	ret = btrfs_clone(&src->vfs_inode, &dst->vfs_inode, loff, len,
+			  ALIGN(len, bs), dst_loff, 1);
+	unlock_extent(&dst->io_tree, dst_loff, end, &cached_state);
 
 	btrfs_btree_balance_dirty(fs_info);
 
@@ -678,8 +679,8 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen,
 	chunk_count = div_u64(olen, BTRFS_MAX_DEDUPE_LEN);
 
 	for (i = 0; i < chunk_count; i++) {
-		ret = btrfs_extent_same_range(src, loff, BTRFS_MAX_DEDUPE_LEN,
-					      dst, dst_loff);
+		ret = btrfs_extent_same_range(BTRFS_I(src), loff, BTRFS_MAX_DEDUPE_LEN,
+					      BTRFS_I(dst), dst_loff);
 		if (ret)
 			goto out;
 
@@ -688,7 +689,8 @@ static int btrfs_extent_same(struct inode *src, u64 loff, u64 olen,
 	}
 
 	if (tail_len > 0)
-		ret = btrfs_extent_same_range(src, loff, tail_len, dst, dst_loff);
+		ret = btrfs_extent_same_range(BTRFS_I(src), loff, tail_len,
+					      BTRFS_I(dst), dst_loff);
 out:
 	spin_lock(&root_dst->root_item_lock);
 	root_dst->dedupe_in_progress--;
-- 
2.47.1

[PATCH 19/22] btrfs: use struct btrfs_inode inside btrfs_remap_file_range()

[David Sterba]

Use a struct btrfs_inode to btrfs_remap_file_range() as it's an internal
helper, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/reflink.c | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index 63d4a4d22801..f63f92e176c8 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -865,8 +865,8 @@ loff_t btrfs_remap_file_range(struct file *src_file, loff_t off,
 		struct file *dst_file, loff_t destoff, loff_t len,
 		unsigned int remap_flags)
 {
-	struct inode *src_inode = file_inode(src_file);
-	struct inode *dst_inode = file_inode(dst_file);
+	struct btrfs_inode *src_inode = BTRFS_I(file_inode(src_file));
+	struct btrfs_inode *dst_inode = BTRFS_I(file_inode(dst_file));
 	bool same_inode = dst_inode == src_inode;
 	int ret;
 
@@ -874,10 +874,10 @@ loff_t btrfs_remap_file_range(struct file *src_file, loff_t off,
 		return -EINVAL;
 
 	if (same_inode) {
-		btrfs_inode_lock(BTRFS_I(src_inode), BTRFS_ILOCK_MMAP);
+		btrfs_inode_lock(src_inode, BTRFS_ILOCK_MMAP);
 	} else {
-		lock_two_nondirectories(src_inode, dst_inode);
-		btrfs_double_mmap_lock(BTRFS_I(src_inode), BTRFS_I(dst_inode));
+		lock_two_nondirectories(&src_inode->vfs_inode, &dst_inode->vfs_inode);
+		btrfs_double_mmap_lock(src_inode, dst_inode);
 	}
 
 	ret = btrfs_remap_file_range_prep(src_file, off, dst_file, destoff,
@@ -886,16 +886,18 @@ loff_t btrfs_remap_file_range(struct file *src_file, loff_t off,
 		goto out_unlock;
 
 	if (remap_flags & REMAP_FILE_DEDUP)
-		ret = btrfs_extent_same(src_inode, off, len, dst_inode, destoff);
+		ret = btrfs_extent_same(&src_inode->vfs_inode, off, len,
+					&dst_inode->vfs_inode, destoff);
 	else
 		ret = btrfs_clone_files(dst_file, src_file, off, len, destoff);
 
 out_unlock:
 	if (same_inode) {
-		btrfs_inode_unlock(BTRFS_I(src_inode), BTRFS_ILOCK_MMAP);
+		btrfs_inode_unlock(src_inode, BTRFS_ILOCK_MMAP);
 	} else {
-		btrfs_double_mmap_unlock(BTRFS_I(src_inode), BTRFS_I(dst_inode));
-		unlock_two_nondirectories(src_inode, dst_inode);
+		btrfs_double_mmap_unlock(src_inode, dst_inode);
+		unlock_two_nondirectories(&src_inode->vfs_inode,
+					  &dst_inode->vfs_inode);
 	}
 
 	/*
-- 
2.47.1

[PATCH 20/22] btrfs: use struct btrfs_inode inside btrfs_remap_file_range_prep()

[David Sterba]

Use a struct btrfs_inode in btrfs_remap_file_range_prep() as it's an
internal helper, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/reflink.c | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c
index f63f92e176c8..15c296cb4dac 100644
--- a/fs/btrfs/reflink.c
+++ b/fs/btrfs/reflink.c
@@ -777,24 +777,24 @@ static int btrfs_remap_file_range_prep(struct file *file_in, loff_t pos_in,
 				       struct file *file_out, loff_t pos_out,
 				       loff_t *len, unsigned int remap_flags)
 {
-	struct inode *inode_in = file_inode(file_in);
-	struct inode *inode_out = file_inode(file_out);
-	u64 bs = BTRFS_I(inode_out)->root->fs_info->sectorsize;
+	struct btrfs_inode *inode_in = BTRFS_I(file_inode(file_in));
+	struct btrfs_inode *inode_out = BTRFS_I(file_inode(file_out));
+	u64 bs = inode_out->root->fs_info->sectorsize;
 	u64 wb_len;
 	int ret;
 
 	if (!(remap_flags & REMAP_FILE_DEDUP)) {
-		struct btrfs_root *root_out = BTRFS_I(inode_out)->root;
+		struct btrfs_root *root_out = inode_out->root;
 
 		if (btrfs_root_readonly(root_out))
 			return -EROFS;
 
-		ASSERT(inode_in->i_sb == inode_out->i_sb);
+		ASSERT(inode_in->vfs_inode.i_sb == inode_out->vfs_inode.i_sb);
 	}
 
 	/* Don't make the dst file partly checksummed */
-	if ((BTRFS_I(inode_in)->flags & BTRFS_INODE_NODATASUM) !=
-	    (BTRFS_I(inode_out)->flags & BTRFS_INODE_NODATASUM)) {
+	if ((inode_in->flags & BTRFS_INODE_NODATASUM) !=
+	    (inode_out->flags & BTRFS_INODE_NODATASUM)) {
 		return -EINVAL;
 	}
 
@@ -813,7 +813,7 @@ static int btrfs_remap_file_range_prep(struct file *file_in, loff_t pos_in,
 	 *    to complete so that new file extent items are in the fs tree.
 	 */
 	if (*len == 0 && !(remap_flags & REMAP_FILE_DEDUP))
-		wb_len = ALIGN(inode_in->i_size, bs) - ALIGN_DOWN(pos_in, bs);
+		wb_len = ALIGN(inode_in->vfs_inode.i_size, bs) - ALIGN_DOWN(pos_in, bs);
 	else
 		wb_len = ALIGN(*len, bs);
 
@@ -834,16 +834,14 @@ static int btrfs_remap_file_range_prep(struct file *file_in, loff_t pos_in,
 	 * Also we don't need to check ASYNC_EXTENT, as async extent will be
 	 * CoWed anyway, not affecting nocow part.
 	 */
-	ret = filemap_flush(inode_in->i_mapping);
+	ret = filemap_flush(inode_in->vfs_inode.i_mapping);
 	if (ret < 0)
 		return ret;
 
-	ret = btrfs_wait_ordered_range(BTRFS_I(inode_in), ALIGN_DOWN(pos_in, bs),
-				       wb_len);
+	ret = btrfs_wait_ordered_range(inode_in, ALIGN_DOWN(pos_in, bs), wb_len);
 	if (ret < 0)
 		return ret;
-	ret = btrfs_wait_ordered_range(BTRFS_I(inode_out), ALIGN_DOWN(pos_out, bs),
-				       wb_len);
+	ret = btrfs_wait_ordered_range(inode_out, ALIGN_DOWN(pos_out, bs), wb_len);
 	if (ret < 0)
 		return ret;
 
-- 
2.47.1

[PATCH 21/22] btrfs: use struct btrfs_inode inside btrfs_get_parent()

[David Sterba]

Use a struct btrfs_inode to btrfs_get_parent() as it's an internal
helper, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/export.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index c087424ac067..ab4d8625ad55 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -145,9 +145,9 @@ static struct dentry *btrfs_fh_to_dentry(struct super_block *sb, struct fid *fh,
 
 struct dentry *btrfs_get_parent(struct dentry *child)
 {
-	struct inode *dir = d_inode(child);
-	struct btrfs_fs_info *fs_info = btrfs_sb(dir->i_sb);
-	struct btrfs_root *root = BTRFS_I(dir)->root;
+	struct btrfs_inode *dir = BTRFS_I(d_inode(child));
+	struct btrfs_root *root = dir->root;
+	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct btrfs_path *path;
 	struct extent_buffer *leaf;
 	struct btrfs_root_ref *ref;
@@ -159,13 +159,13 @@ struct dentry *btrfs_get_parent(struct dentry *child)
 	if (!path)
 		return ERR_PTR(-ENOMEM);
 
-	if (btrfs_ino(BTRFS_I(dir)) == BTRFS_FIRST_FREE_OBJECTID) {
+	if (btrfs_ino(dir) == BTRFS_FIRST_FREE_OBJECTID) {
 		key.objectid = btrfs_root_id(root);
 		key.type = BTRFS_ROOT_BACKREF_KEY;
 		key.offset = (u64)-1;
 		root = fs_info->tree_root;
 	} else {
-		key.objectid = btrfs_ino(BTRFS_I(dir));
+		key.objectid = btrfs_ino(dir);
 		key.type = BTRFS_INODE_REF_KEY;
 		key.offset = (u64)-1;
 	}
-- 
2.47.1

[PATCH 22/22] btrfs: use struct btrfs_inode inside btrfs_get_name()

[David Sterba]

Use a struct btrfs_inode in btrfs_get_name() as it's an internal
helper, allowing to remove some use of BTRFS_I.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/export.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index ab4d8625ad55..0c0b8db82df6 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -219,11 +219,11 @@ struct dentry *btrfs_get_parent(struct dentry *child)
 static int btrfs_get_name(struct dentry *parent, char *name,
 			  struct dentry *child)
 {
-	struct inode *inode = d_inode(child);
-	struct inode *dir = d_inode(parent);
-	struct btrfs_fs_info *fs_info = inode_to_fs_info(inode);
+	struct btrfs_inode *inode = BTRFS_I(d_inode(child));
+	struct btrfs_inode *dir = BTRFS_I(d_inode(parent));
+	struct btrfs_root *root = dir->root;
+	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct btrfs_path *path;
-	struct btrfs_root *root = BTRFS_I(dir)->root;
 	struct btrfs_inode_ref *iref;
 	struct btrfs_root_ref *rref;
 	struct extent_buffer *leaf;
@@ -233,24 +233,24 @@ static int btrfs_get_name(struct dentry *parent, char *name,
 	int ret;
 	u64 ino;
 
-	if (!S_ISDIR(dir->i_mode))
+	if (!S_ISDIR(dir->vfs_inode.i_mode))
 		return -EINVAL;
 
-	ino = btrfs_ino(BTRFS_I(inode));
+	ino = btrfs_ino(inode);
 
 	path = btrfs_alloc_path();
 	if (!path)
 		return -ENOMEM;
 
 	if (ino == BTRFS_FIRST_FREE_OBJECTID) {
-		key.objectid = btrfs_root_id(BTRFS_I(inode)->root);
+		key.objectid = btrfs_root_id(inode->root);
 		key.type = BTRFS_ROOT_BACKREF_KEY;
 		key.offset = (u64)-1;
 		root = fs_info->tree_root;
 	} else {
 		key.objectid = ino;
 		key.type = BTRFS_INODE_REF_KEY;
-		key.offset = btrfs_ino(BTRFS_I(dir));
+		key.offset = btrfs_ino(dir);
 	}
 
 	ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
-- 
2.47.1

Re: [PATCH 10/22] btrfs: pass struct btrfs_inode to btrfs_fill_inode()

[Johannes Thumshirn]

This one gives checkpatch wanings:

ERROR:CODE_INDENT: code indent should use tabs where possible
#48: FILE: fs/btrfs/delayed-inode.c:1888:
+        inode->last_trans = btrfs_stack_inode_transid(inode_item);$

WARNING:LEADING_SPACE: please, no spaces at the start of a line
#48: FILE: fs/btrfs/delayed-inode.c:1888:
+        inode->last_trans = btrfs_stack_inode_transid(inode_item);$

Re: [PATCH 00/22] More inode type cleanups

[Johannes Thumshirn]

On 20.02.25 11:04, David Sterba wrote:
> Continued work to convert struct inode to struct btrfs_inode in the
> internal interfaces. No functional changes.
>

Apart from some checkpatch warnings:
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>