1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 20452c110d7d..fa48051484b8 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2242,6 +2242,7 @@ static int find_desired_extent(struct inode *inode, loff_t *offset, int origin)
         if (lockend <= lockstart)
                 lockend = lockstart + root->sectorsize;
 
+        lockend--;
         len = lockend - lockstart + 1;
 
         len = max_t(u64, len, root->sectorsize);