[RFC PATCH 51/62] btrfs: use ->free_inode()

Al Viro
2019-04-16T17:55:52Z

a lot of stuff remains in ->destroy_inode()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/btrfs/ctree.h | 1 +
fs/btrfs/inode.c | 7 ++-----
fs/btrfs/super.c | 1 +
3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b3642367a595..5260a9263d73 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3267,6 +3267,7 @@ void btrfs_evict_inode(struct inode *inode);
int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc);
struct inode *btrfs_alloc_inode(struct super_block *sb);
void btrfs_destroy_inode(struct inode *inode);
+void btrfs_free_inode(struct inode *inode);
int btrfs_drop_inode(struct inode *inode);
int __init btrfs_init_cachep(void);
void __cold btrfs_destroy_cachep(void);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 82fdda8ff5ab..aeb31c2dc14e 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -9206,9 +9206,8 @@ void btrfs_test_destroy_inode(struct inode *inode)
}
#endif

-static void btrfs_i_callback(struct rcu_head *head)
+void btrfs_free_inode(struct inode *inode)
{
- struct inode *inode = container_of(head, struct inode, i_rcu);
kmem_cache_free(btrfs_inode_cachep, BTRFS_I(inode));
}

@@ -9234,7 +9233,7 @@ void btrfs_destroy_inode(struct inode *inode)
* created.
*/
if (!root)
- goto free;
+ return;

while (1) {
ordered = btrfs_lookup_first_ordered_extent(inode, (u64)-1);
@@ -9252,8 +9251,6 @@ void btrfs_destroy_inode(struct inode *inode)
btrfs_qgroup_check_reserved_leak(inode);
inode_tree_del(inode);
btrfs_drop_extent_cache(BTRFS_I(inode), 0, (u64)-1, 0);
-free:
- call_rcu(&inode->i_rcu, btrfs_i_callback);
}

int btrfs_drop_inode(struct inode *inode)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 120e4340792a..236f812091a3 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -2298,6 +2298,7 @@ static const struct super_operations btrfs_super_ops = {
.show_devname = btrfs_show_devname,
.alloc_inode = btrfs_alloc_inode,
.destroy_inode = btrfs_destroy_inode,
+ .free_inode = btrfs_free_inode,
.statfs = btrfs_statfs,
.remount_fs = btrfs_remount,
.freeze_fs = btrfs_freeze,
--
2.11.0