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Btrfs: Count async bios separately from async checksum work items

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-08-15 15:34:15 -04:00
parent b720d20952
commit 0986fe9eac
3 changed files with 26 additions and 6 deletions
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6
fs/btrfs/volumes.c
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@@ -179,7 +179,7 @@ loop:
cur = pending;
pending = pending->bi_next;
cur->bi_next = NULL;
atomic_dec(&device->dev_root->fs_info->nr_async_submits);
atomic_dec(&device->dev_root->fs_info->nr_async_bios);
BUG_ON(atomic_read(&cur->bi_cnt) == 0);
bio_get(cur);
@@ -2145,12 +2145,12 @@ int schedule_bio(struct btrfs_root *root, struct btrfs_device *device,
}
/*
* nr_async_sumbits allows us to reliably return congestion to the
* nr_async_bios allows us to reliably return congestion to the
* higher layers. Otherwise, the async bio makes it appear we have
* made progress against dirty pages when we've really just put it
* on a queue for later
*/
atomic_inc(&root->fs_info->nr_async_submits);
atomic_inc(&root->fs_info->nr_async_bios);
WARN_ON(bio->bi_next);
bio->bi_next = NULL;
bio->bi_rw |= rw;