diff options
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index a18ceabd99a8..f5a868ab60f3 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1692,8 +1692,18 @@ static ssize_t __btrfs_direct_write(struct kiocb *iocb, err = written_buffered; goto out; } + /* + * Ensure all data is persisted. We want the next direct IO read to be + * able to read what was just written. + */ endbyte = pos + written_buffered - 1; - err = filemap_write_and_wait_range(file->f_mapping, pos, endbyte); + err = filemap_fdatawrite_range(file->f_mapping, pos, endbyte); + if (!err && test_bit(BTRFS_INODE_HAS_ASYNC_EXTENT, + &BTRFS_I(file_inode(file))->runtime_flags)) + err = filemap_fdatawrite_range(file->f_mapping, pos, endbyte); + if (err) + goto out; + err = filemap_fdatawait_range(file->f_mapping, pos, endbyte); if (err) goto out; written += written_buffered; |