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| author | Chris Mason <chris.mason@oracle.com> | 2008-08-20 13:39:41 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:04:06 -0400 |
| commit | b64a2851ba25b3410a87d3d1b751155612105c8e (patch) | |
| tree | 5bad12d67cfdd6657acbe1091dd1c196e5e17818 /fs/btrfs/disk-io.h | |
| parent | 4d1b5fb4d7075f862848dbff8873e22382abd482 (diff) | |
Btrfs: Wait for async bio submissions to make some progress at queue time
Before, the btrfs bdi congestion function was used to test for too many
async bios. This keeps that check to throttle pdflush, but also
adds a check while queuing bios.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/disk-io.h')
| -rw-r--r-- | fs/btrfs/disk-io.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index e904a69347a..2562a273ae1 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -73,4 +73,5 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode, int rw, struct bio *bio, int mirror_num, extent_submit_bio_hook_t *submit_bio_hook); int btrfs_congested_async(struct btrfs_fs_info *info, int iodone); +unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info); #endif |