4.16-stable review patch. If anyone has any objections, please let me know.
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From: Nikolay Borisov nborisov@suse.com
commit 2b8773313494ede83a26fb372466e634564002ed upstream.
This is in preparation of fixing delalloc inodes leakage on transaction abort. Also export the new function.
Signed-off-by: Nikolay Borisov nborisov@suse.com Reviewed-by: David Sterba dsterba@suse.com Reviewed-by: Anand Jain anand.jain@oracle.com Signed-off-by: David Sterba dsterba@suse.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- fs/btrfs/ctree.h | 2 ++ fs/btrfs/inode.c | 13 ++++++++++--- 2 files changed, 12 insertions(+), 3 deletions(-)
--- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -3153,6 +3153,8 @@ noinline int can_nocow_extent(struct ino u64 *orig_start, u64 *orig_block_len, u64 *ram_bytes);
+void __btrfs_del_delalloc_inode(struct btrfs_root *root, + struct btrfs_inode *inode); struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry); int btrfs_set_inode_index(struct btrfs_inode *dir, u64 *index); int btrfs_unlink_inode(struct btrfs_trans_handle *trans, --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -1762,12 +1762,12 @@ static void btrfs_add_delalloc_inodes(st spin_unlock(&root->delalloc_lock); }
-static void btrfs_del_delalloc_inode(struct btrfs_root *root, - struct btrfs_inode *inode) + +void __btrfs_del_delalloc_inode(struct btrfs_root *root, + struct btrfs_inode *inode) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb);
- spin_lock(&root->delalloc_lock); if (!list_empty(&inode->delalloc_inodes)) { list_del_init(&inode->delalloc_inodes); clear_bit(BTRFS_INODE_IN_DELALLOC_LIST, @@ -1780,6 +1780,13 @@ static void btrfs_del_delalloc_inode(str spin_unlock(&fs_info->delalloc_root_lock); } } +} + +static void btrfs_del_delalloc_inode(struct btrfs_root *root, + struct btrfs_inode *inode) +{ + spin_lock(&root->delalloc_lock); + __btrfs_del_delalloc_inode(root, inode); spin_unlock(&root->delalloc_lock); }