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| author | Chris Mason <chris.mason@oracle.com> | 2008-10-03 20:30:02 +0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-10-03 20:30:02 +0400 |
| commit | cb843a6f513a1a91c54951005e60bd9b95bdf973 (patch) | |
| tree | 12edfb1154691f1a8aaeeadb97899397574aa785 /fs/btrfs/ordered-data.c | |
| parent | 323ac95bce442bbde514e3ce57e840402f80d909 (diff) | |
| download | linux-cb843a6f513a1a91c54951005e60bd9b95bdf973.tar.xz | |
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.c')
| -rw-r--r-- | fs/btrfs/ordered-data.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index dcc1730dd837..2eb6caba57c2 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -397,7 +397,7 @@ void btrfs_start_ordered_extent(struct inode *inode, /* * Used to wait on ordered extents across a large range of bytes. */ -void btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len) +int btrfs_wait_ordered_range(struct inode *inode, u64 start, u64 len) { u64 end; u64 orig_end; @@ -451,6 +451,7 @@ again: (unsigned long long)orig_end); goto again; } + return 0; } /* |