AcoSail/kernel_optimize_test
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bcache: Drop unneeded blk_sync_queue() calls

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this is needed for the queue/block device we created (it's done by
blk_cleanup_queue() which we do call) - but calling it for the block devices we
only opened is pointless.

Change-Id: I53dfded14ed15b9581d10ca8399d5e1b3abbf9f2
This commit is contained in:
Kent Overstreet 2014-07-07 13:03:36 -07:00
parent 789d21dbd9
commit 0781c8748c
1 changed files with 2 additions and 8 deletions
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10
drivers/md/bcache/super.c
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@ -1084,12 +1084,8 @@ static void cached_dev_free(struct closure *cl)
mutex_unlock(&bch_register_lock);
if (!IS_ERR_OR_NULL(dc->bdev)) {
if (dc->bdev->bd_disk)
blk_sync_queue(bdev_get_queue(dc->bdev));
if (!IS_ERR_OR_NULL(dc->bdev))
blkdev_put(dc->bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
}
wake_up(&unregister_wait);
@ -1817,10 +1813,8 @@ void bch_cache_release(struct kobject *kobj)
if (ca->sb_bio.bi_inline_vecs[0].bv_page)
put_page(ca->sb_bio.bi_io_vec[0].bv_page);
if (!IS_ERR_OR_NULL(ca->bdev)) {
blk_sync_queue(bdev_get_queue(ca->bdev));
if (!IS_ERR_OR_NULL(ca->bdev))
blkdev_put(ca->bdev, FMODE_READ|FMODE_WRITE|FMODE_EXCL);
}
kfree(ca);
module_put(THIS_MODULE);