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Introduce bioq_flush() function.

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This commit is contained in:
Poul-Henning Kamp 2003-04-01 12:49:40 +00:00
parent 4d63e8de71
commit af6ca7f4a9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=112941
2 changed files with 16 additions and 0 deletions
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15
sys/kern/subr_disk.c
View File

@ -89,6 +89,21 @@ bioq_remove(struct bio_queue_head *head, struct bio *bp)
if (TAILQ_FIRST(&head->queue) == head->switch_point)
head->switch_point = NULL;
}
void
bioq_flush(struct bio_queue_head *head, struct devstat *stp, int error)
{
struct bio *bp;
for (;;) {
bp = bioq_first(head);
if (bp == NULL)
break;
bioq_remove(head, bp);
biofinish(bp, stp, ENXIO);
}
}
void
bioq_insert_tail(struct bio_queue_head *head, struct bio *bp)
{

1
sys/sys/bio.h
View File

@ -120,6 +120,7 @@ int biowait(struct bio *bp, const char *wchan);
void bioq_disksort(struct bio_queue_head *ap, struct bio *bp);
#define bioqdisksort(foo, bar) bioq_disksort(foo, bar)
struct bio *bioq_first(struct bio_queue_head *head);
void bioq_flush(struct bio_queue_head *head, struct devstat *stp, int error);
void bioq_init(struct bio_queue_head *head);
void bioq_insert_tail(struct bio_queue_head *head, struct bio *bp);
void bioq_remove(struct bio_queue_head *head, struct bio *bp);