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| author | Chris Mason <chris.mason@oracle.com> | 2008-10-03 12:30:02 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-10-03 12:30:02 -0400 |
| commit | cb843a6f513a1a91c54951005e60bd9b95bdf973 (patch) | |
| tree | 12edfb1154691f1a8aaeeadb97899397574aa785 /fs/btrfs/ordered-data.h | |
| parent | 323ac95bce442bbde514e3ce57e840402f80d909 (diff) | |
| download | lwn-cb843a6f513a1a91c54951005e60bd9b95bdf973.tar.gz lwn-cb843a6f513a1a91c54951005e60bd9b95bdf973.zip | |
Btrfs: O_DIRECT writes via buffered writes + invaldiate
This reworks the btrfs O_DIRECT write code a bit. It had always fallen
back to buffered IO and done an invalidate, but needed to be updated
for the data=ordered code. The invalidate wasn't actually removing pages
because they were still inside an ordered extent.
This also combines the O_DIRECT/O_SYNC paths where possible, and kicks
off IO in the main btrfs_file_write loop to keep the pipe down the the
disk full as we process long writes.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ordered-data.h')
| -rw-r--r-- | fs/btrfs/ordered-data.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index fd45519f30a8..f50f8870a144 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -135,7 +135,7 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct inode *inode, u64 file_offset); void btrfs_start_ordered_extent(struct inode *inode, struct btrfs_ordered_extent *entry, int wait); -void btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len); +int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len); struct btrfs_ordered_extent * btrfs_lookup_first_ordered_extent(struct inode * inode, u64 file_offset); int btrfs_ordered_update_i_size(struct inode *inode, |