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[SCSI] allow sleeping in ->eh_host_reset_handler()

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Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Jeff Garzik
2005-05-28 07:57:14 -04:00
parent 68b3aa7c98
commit df0ae2497d
38 changed files with 177 additions and 44 deletions
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9
drivers/scsi/eata.c
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@ -1948,16 +1948,20 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
ha->board_name, SCarg->device->channel, SCarg->device->id,
SCarg->device->lun, SCarg->pid);
spin_lock_irq(shost->host_lock);
if (SCarg->host_scribble == NULL)
printk("%s: reset, pid %ld inactive.\n", ha->board_name, SCarg->pid);
if (ha->in_reset) {
printk("%s: reset, exit, already in reset.\n", ha->board_name);
spin_unlock_irq(shost->host_lock);
return FAILED;
}
if (wait_on_busy(shost->io_port, MAXLOOP)) {
printk("%s: reset, exit, timeout error.\n", ha->board_name);
spin_unlock_irq(shost->host_lock);
return FAILED;
}
@ -2012,6 +2016,7 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
if (do_dma(shost->io_port, 0, RESET_PIO)) {
printk("%s: reset, cannot reset, timeout error.\n", ha->board_name);
spin_unlock_irq(shost->host_lock);
return FAILED;
}
@ -2024,9 +2029,12 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
ha->in_reset = 1;
spin_unlock_irq(shost->host_lock);
/* FIXME: use a sleep instead */
time = jiffies;
while ((jiffies - time) < (10 * HZ) && limit++ < 200000)
udelay(100L);
spin_lock_irq(shost->host_lock);
printk("%s: reset, interrupts disabled, loops %d.\n", ha->board_name, limit);
@ -2076,6 +2084,7 @@ static int eata2x_eh_host_reset(struct scsi_cmnd *SCarg)
else
printk("%s: reset, exit.\n", ha->board_name);
spin_unlock_irq(shost->host_lock);
return SUCCESS;
}