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 76365ad9bfbf..640648c66b22 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -376,7 +376,9 @@ int btrfs_submit_bio_hook(struct inode *inode, int rw, struct bio *bio, if (!(rw & (1 << BIO_RW))) { if (!btrfs_test_opt(root, NODATASUM) && !btrfs_test_flag(inode, NODATASUM)) { + mutex_lock(&BTRFS_I(inode)->csum_mutex); btrfs_lookup_bio_sums(root, inode, bio); + mutex_unlock(&BTRFS_I(inode)->csum_mutex); } goto mapit; } |