diff options
| -rw-r--r-- | fs/btrfs/file.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 3f5525f0834c..5d537f26dc83 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -864,6 +864,14 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf, last_index = (pos + count) >> PAGE_CACHE_SHIFT; /* + * if this is a nodatasum mount, force summing off for the inode + * all the time. That way a later mount with summing on won't + * get confused + */ + if (btrfs_test_opt(root, NODATASUM)) + btrfs_set_flag(inode, NODATASUM); + + /* * there are lots of better ways to do this, but this code * makes sure the first and last page in the file range are * up to date and ready for cow |