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From: Jeff Mahoney <jeffm@suse.com>
To: BtrFS List <linux-btrfs@vger.kernel.org>
Cc: Chris Mason <chris.mason@oracle.com>
Subject: [patch 61/65] btrfs: btrfs_truncate_item should return void
Date: Mon, 03 Oct 2011 23:23:31 -0400	[thread overview]
Message-ID: <20111004032306.905859941@suse.com> (raw)
In-Reply-To: 20111004032230.458853274@suse.com

 btrfs_truncate_item has no error conditions and should return void.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
---
 fs/btrfs/ctree.c       |   11 +++++------
 fs/btrfs/ctree.h       |    8 ++++----
 fs/btrfs/dir-item.c    |    4 ++--
 fs/btrfs/extent-tree.c |    3 +--
 fs/btrfs/file-item.c   |    4 ++--
 fs/btrfs/inode-item.c  |    3 +--
 fs/btrfs/inode.c       |    4 ++--
 7 files changed, 17 insertions(+), 20 deletions(-)

--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -3193,10 +3193,10 @@ int btrfs_duplicate_item(struct btrfs_tr
  * off the end of the item or if we shift the item to chop bytes off
  * the front.
  */
-int btrfs_truncate_item(struct btrfs_trans_handle *trans,
-			struct btrfs_root *root,
-			struct btrfs_path *path,
-			u32 new_size, int from_end)
+void btrfs_truncate_item(struct btrfs_trans_handle *trans,
+			 struct btrfs_root *root,
+			 struct btrfs_path *path,
+			 u32 new_size, int from_end)
 {
 	int slot;
 	struct extent_buffer *leaf;
@@ -3213,7 +3213,7 @@ int btrfs_truncate_item(struct btrfs_tra
 
 	old_size = btrfs_item_size_nr(leaf, slot);
 	if (old_size == new_size)
-		return 0;
+		return;
 
 	nritems = btrfs_header_nritems(leaf);
 	data_end = leaf_data_end(root, leaf);
@@ -3286,7 +3286,6 @@ int btrfs_truncate_item(struct btrfs_tra
 		btrfs_print_leaf(root, leaf);
 		BUG();
 	}
-	return 0;
 }
 
 /*
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2306,10 +2306,10 @@ int btrfs_block_can_be_shared(struct btr
 			      struct extent_buffer *buf);
 int btrfs_extend_item(struct btrfs_trans_handle *trans, struct btrfs_root
 		      *root, struct btrfs_path *path, u32 data_size);
-int btrfs_truncate_item(struct btrfs_trans_handle *trans,
-			struct btrfs_root *root,
-			struct btrfs_path *path,
-			u32 new_size, int from_end);
+void btrfs_truncate_item(struct btrfs_trans_handle *trans,
+			 struct btrfs_root *root,
+			 struct btrfs_path *path,
+			 u32 new_size, int from_end);
 int btrfs_split_item(struct btrfs_trans_handle *trans,
 		     struct btrfs_root *root,
 		     struct btrfs_path *path,
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.c
@@ -383,8 +383,8 @@ int btrfs_delete_one_dir_name(struct btr
 		start = btrfs_item_ptr_offset(leaf, path->slots[0]);
 		memmove_extent_buffer(leaf, ptr, ptr + sub_item_len,
 			item_len - (ptr + sub_item_len - start));
-		ret = btrfs_truncate_item(trans, root, path,
-					  item_len - sub_item_len, 1);
+		btrfs_truncate_item(trans, root, path,
+				    item_len - sub_item_len, 1);
 	}
 	return ret;
 }
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1649,7 +1649,6 @@ int update_inline_extent_backref(struct
 	u32 item_size;
 	int size;
 	int type;
-	int ret;
 	u64 refs;
 
 	leaf = path->nodes[0];
@@ -1691,7 +1690,7 @@ int update_inline_extent_backref(struct
 			memmove_extent_buffer(leaf, ptr, ptr + size,
 					      end - ptr - size);
 		item_size -= size;
-		ret = btrfs_truncate_item(trans, root, path, item_size, 1);
+		btrfs_truncate_item(trans, root, path, item_size, 1);
 	}
 	btrfs_mark_buffer_dirty(leaf);
 	return 0;
--- a/fs/btrfs/file-item.c
+++ b/fs/btrfs/file-item.c
@@ -514,7 +514,7 @@ static noinline int truncate_one_csum(st
 		 */
 		u32 new_size = (bytenr - key->offset) >> blocksize_bits;
 		new_size *= csum_size;
-		ret = btrfs_truncate_item(trans, root, path, new_size, 1);
+		btrfs_truncate_item(trans, root, path, new_size, 1);
 	} else if (key->offset >= bytenr && csum_end > end_byte &&
 		   end_byte > key->offset) {
 		/*
@@ -526,7 +526,7 @@ static noinline int truncate_one_csum(st
 		u32 new_size = (csum_end - end_byte) >> blocksize_bits;
 		new_size *= csum_size;
 
-		ret = btrfs_truncate_item(trans, root, path, new_size, 0);
+		btrfs_truncate_item(trans, root, path, new_size, 0);
 
 		key->offset = end_byte;
 		ret = btrfs_set_item_key_safe(trans, root, path, key);
--- a/fs/btrfs/inode-item.c
+++ b/fs/btrfs/inode-item.c
@@ -128,8 +128,7 @@ int btrfs_del_inode_ref(struct btrfs_tra
 	item_start = btrfs_item_ptr_offset(leaf, path->slots[0]);
 	memmove_extent_buffer(leaf, ptr, ptr + sub_item_len,
 			      item_size - (ptr + sub_item_len - item_start));
-	ret = btrfs_truncate_item(trans, root, path,
-				  item_size - sub_item_len, 1);
+	btrfs_truncate_item(trans, root, path, item_size - sub_item_len, 1);
 out:
 	btrfs_free_path(path);
 	return ret;
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3311,8 +3311,8 @@ search_again:
 				}
 				size =
 				    btrfs_file_extent_calc_inline_size(size);
-				ret = btrfs_truncate_item(trans, root, path,
-							  size, 1);
+				btrfs_truncate_item(trans, root, path,
+						    size, 1);
 			} else if (root->ref_cows) {
 				inode_sub_bytes(inode, item_end + 1 -
 						found_key.offset);



  parent reply	other threads:[~2011-10-04  3:23 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-04  3:22 [patch 00/65] Error handling patchset v3 Jeff Mahoney
2011-10-04  3:22 ` [patch 01/65] btrfs: Add btrfs_panic() Jeff Mahoney
2011-10-10 16:35   ` David Sterba
2011-10-10 16:42   ` David Sterba
2011-10-10 16:54     ` Jeff Mahoney
2011-10-04  3:22 ` [patch 02/65] btrfs: Catch locking failures in {set,clear}_extent_bit Jeff Mahoney
2011-10-04  3:22 ` [patch 03/65] btrfs: Panic on bad rbtree operations Jeff Mahoney
2011-10-04  3:22 ` [patch 04/65] btrfs: Simplify btrfs_insert_root Jeff Mahoney
2011-10-04  3:22 ` [patch 05/65] btrfs: set_extent_bit error push-up Jeff Mahoney
2011-10-04  3:22 ` [patch 06/65] btrfs: lock_extent " Jeff Mahoney
2011-10-04  3:22 ` [patch 07/65] btrfs: clear_extent_bit " Jeff Mahoney
2011-10-04  3:22 ` [patch 08/65] btrfs: unlock_extent " Jeff Mahoney
2011-10-04  3:22 ` [patch 09/65] btrfs: pin_down_extent should return void Jeff Mahoney
2011-10-04  3:22 ` [patch 10/65] btrfs: btrfs_pin_extent error push-up Jeff Mahoney
2011-10-04  3:22 ` [patch 11/65] btrfs: btrfs_drop_snapshot should return int Jeff Mahoney
2011-10-04  3:22 ` [patch 12/65] btrfs: btrfs_start_transaction non-looped error push-up Jeff Mahoney
2011-10-04  3:22 ` [patch 13/65] btrfs: find_and_setup_root " Jeff Mahoney
2011-10-04  3:22 ` [patch 14/65] btrfs: btrfs_update_root " Jeff Mahoney
2011-10-04  3:22 ` [patch 15/65] btrfs: set_range_writeback should return void Jeff Mahoney
2011-10-04  3:22 ` [patch 16/65] btrfs: wait_on_state " Jeff Mahoney
2011-10-04  3:22 ` [patch 17/65] btrfs: wait_extent_bit " Jeff Mahoney
2011-10-04  3:22 ` [patch 18/65] btrfs: __unlock_for_delalloc " Jeff Mahoney
2011-10-04  3:22 ` [patch 19/65] btrfs: check_page_uptodate " Jeff Mahoney
2011-10-04  3:22 ` [patch 20/65] btrfs: check_page_locked " Jeff Mahoney
2011-10-04  3:22 ` [patch 21/65] btrfs: check_page_writeback " Jeff Mahoney
2011-10-04  3:22 ` [patch 22/65] btrfs: clear_extent_buffer_dirty " Jeff Mahoney
2011-10-04  3:22 ` [patch 23/65] btrfs: btrfs_cleanup_fs_uuids " Jeff Mahoney
2011-10-04  3:22 ` [patch 24/65] btrfs: run_scheduled_bios " Jeff Mahoney
2011-10-04  3:22 ` [patch 25/65] btrfs: btrfs_close_extra_devices " Jeff Mahoney
2011-10-04  3:22 ` [patch 26/65] btrfs: schedule_bio " Jeff Mahoney
2011-10-04  3:22 ` [patch 27/65] btrfs: fill_device_from_item " Jeff Mahoney
2011-10-04  3:22 ` [patch 28/65] btrfs: btrfs_queue_worker " Jeff Mahoney
2011-10-04  3:22 ` [patch 29/65] btrfs: run_ordered_completions " Jeff Mahoney
2011-10-04  3:23 ` [patch 30/65] btrfs: btrfs_stop_workers " Jeff Mahoney
2011-10-04  3:23 ` [patch 31/65] btrfs: btrfs_requeue_work " Jeff Mahoney
2011-10-04  3:23 ` [patch 32/65] btrfs: tree-log: btrfs_end_log_trans " Jeff Mahoney
2011-10-04  3:23 ` [patch 33/65] btrfs: tree-log: wait_for_writer " Jeff Mahoney
2011-10-04  3:23 ` [patch 34/65] btrfs: btrfs_init_compress " Jeff Mahoney
2011-10-04  3:23 ` [patch 35/65] btrfs: btrfs_invalidate_inodes " Jeff Mahoney
2011-10-04  3:23 ` [patch 36/65] btrfs: __setup_root " Jeff Mahoney
2011-10-04  3:23 ` [patch 37/65] btrfs: btrfs_destroy_delalloc_inodes " Jeff Mahoney
2011-10-04  3:23 ` [patch 38/65] btrfs: btrfs_prepare_extent_commit " Jeff Mahoney
2011-10-04  3:23 ` [patch 39/65] btrfs: btrfs_set_block_group_rw " Jeff Mahoney
2011-10-04  3:23 ` [patch 40/65] btrfs: setup_inline_extent_backref " Jeff Mahoney
2011-10-04  3:23 ` [patch 41/65] btrfs: btrfs_run_defrag_inodes " Jeff Mahoney
2011-10-04  3:23 ` [patch 42/65] btrfs: Simplify btrfs_submit_bio_hook Jeff Mahoney
2011-10-04  3:23 ` [patch 43/65] btrfs: Factor out tree->ops->merge_bio_hook call Jeff Mahoney
2011-10-04  3:23 ` [patch 44/65] btrfs: ->submit_bio_hook error push-up Jeff Mahoney
2011-10-04  3:23 ` [patch 45/65] btrfs: __add_reloc_root " Jeff Mahoney
2011-10-04  3:23 ` [patch 46/65] btrfs: fixup_low_keys should return void Jeff Mahoney
2011-10-04  3:23 ` [patch 47/65] btrfs: setup_items_for_insert " Jeff Mahoney
2011-10-04  3:23 ` [patch 48/65] btrfs: del_ptr " Jeff Mahoney
2011-10-04  3:23 ` [patch 49/65] btrfs: insert_ptr " Jeff Mahoney
2011-10-04  3:23 ` [patch 50/65] btrfs: add_delayed_ref_head " Jeff Mahoney
2011-10-04  3:23 ` [patch 51/65] btrfs: add_delayed_tree_ref " Jeff Mahoney
2011-10-04  3:23 ` [patch 52/65] btrfs: add_delayed_data_ref " Jeff Mahoney
2011-10-04  3:23 ` [patch 53/65] btrfs: Fix kfree of member instead of structure Jeff Mahoney
2011-10-04  3:23 ` [patch 54/65] btrfs: Use mempools for delayed refs Jeff Mahoney
2011-10-04  3:23 ` [patch 55/65] btrfs: Delayed ref mempool functions should return void Jeff Mahoney
2011-10-04  3:23 ` [patch 56/65] btrfs: btrfs_inc_extent_ref void return prep Jeff Mahoney
2011-10-04  3:23 ` [patch 57/65] btrfs: btrfs_free_extent " Jeff Mahoney
2011-10-04  3:23 ` [patch 58/65] btrfs: __btrfs_mod_refs process_func should return void Jeff Mahoney
2011-10-04  3:23 ` [patch 59/65] btrfs: __btrfs_mod_ref " Jeff Mahoney
2011-10-04  3:23 ` [patch 60/65] btrfs: clean_tree_block " Jeff Mahoney
2011-10-04  3:23 ` Jeff Mahoney [this message]
2011-10-04  3:23 ` [patch 62/65] btrfs: btrfs_extend_item " Jeff Mahoney
2011-10-04  3:23 ` [patch 63/65] btrfs: end_compressed_writeback " Jeff Mahoney
2011-10-04  3:23 ` [patch 64/65] btrfs: copy_for_split " Jeff Mahoney
2011-10-04  3:23 ` [patch 65/65] btrfs: update_inline_extent_backref " Jeff Mahoney

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