diff options
| -rw-r--r-- | fs/btrfs/file.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index c57a9ecf861e..4c7049e41fe5 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -2122,7 +2122,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) if (ret) goto out; - btrfs_inode_lock(inode, 0); + btrfs_inode_lock(inode, BTRFS_ILOCK_MMAP); atomic_inc(&root->log_batch); @@ -2135,11 +2135,11 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) &BTRFS_I(inode)->runtime_flags); /* - * Before we acquired the inode's lock, someone may have dirtied more - * pages in the target range. We need to make sure that writeback for - * any such pages does not start while we are logging the inode, because - * if it does, any of the following might happen when we are not doing a - * full inode sync: + * Before we acquired the inode's lock and the mmap lock, someone may + * have dirtied more pages in the target range. We need to make sure + * that writeback for any such pages does not start while we are logging + * the inode, because if it does, any of the following might happen when + * we are not doing a full inode sync: * * 1) We log an extent after its writeback finishes but before its * checksums are added to the csum tree, leading to -EIO errors @@ -2154,7 +2154,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) */ ret = start_ordered_ops(inode, start, end); if (ret) { - btrfs_inode_unlock(inode, 0); + btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP); goto out; } @@ -2255,7 +2255,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) * file again, but that will end up using the synchronization * inside btrfs_sync_log to keep things safe. */ - btrfs_inode_unlock(inode, 0); + btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP); if (ret != BTRFS_NO_LOG_SYNC) { if (!ret) { @@ -2285,7 +2285,7 @@ out: out_release_extents: btrfs_release_log_ctx_extents(&ctx); - btrfs_inode_unlock(inode, 0); + btrfs_inode_unlock(inode, BTRFS_ILOCK_MMAP); goto out; } |