diff options
Diffstat (limited to 'fs/btrfs/inode.c')
| -rw-r--r-- | fs/btrfs/inode.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 3da12a4d913d..28e667052ec3 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -612,6 +612,7 @@ int btrfs_readpage_io_hook(struct page *page, u64 start, u64 end) return 0; path = btrfs_alloc_path(); + mutex_lock(&BTRFS_I(inode)->csum_mutex); item = btrfs_lookup_csum(NULL, root, path, inode->i_ino, start, 0); if (IS_ERR(item)) { /* @@ -640,6 +641,7 @@ int btrfs_readpage_io_hook(struct page *page, u64 start, u64 end) found: set_state_private(io_tree, start, csum); out: + mutex_unlock(&BTRFS_I(inode)->csum_mutex); if (path) btrfs_free_path(path); return ret; |