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[PATCH] libata: remove unused qc->waiting

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There is no user of qc->waiting left after ata_exec_internal()
changes.  Kill the field.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Tejun Heo 2005-12-13 14:51:25 +09:00 committed by Jeff Garzik
parent 82033adf0a
commit b563230340
2 changed files with 2 additions and 14 deletions
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14
drivers/scsi/libata-core.c
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@ -3503,7 +3503,7 @@ struct ata_queued_cmd *ata_qc_new_init(struct ata_port *ap,
static void __ata_qc_complete(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
unsigned int tag, do_clear = 0;
unsigned int tag;
qc->flags = 0;
tag = qc->tag;
@ -3511,17 +3511,8 @@ static void __ata_qc_complete(struct ata_queued_cmd *qc)
if (tag == ap->active_tag)
ap->active_tag = ATA_TAG_POISON;
qc->tag = ATA_TAG_POISON;
do_clear = 1;
}
if (qc->waiting) {
struct completion *waiting = qc->waiting;
qc->waiting = NULL;
complete(waiting);
}
if (likely(do_clear))
clear_bit(tag, &ap->qactive);
}
}
/**
@ -3537,7 +3528,6 @@ static void __ata_qc_complete(struct ata_queued_cmd *qc)
void ata_qc_free(struct ata_queued_cmd *qc)
{
assert(qc != NULL); /* ata_qc_from_tag _might_ return NULL */
assert(qc->waiting == NULL); /* nothing should be waiting */
__ata_qc_complete(qc);
}

2
include/linux/libata.h
View File

@ -285,8 +285,6 @@ struct ata_queued_cmd {
ata_qc_cb_t complete_fn;
struct completion *waiting;
void *private_data;
};