From fe74c71f6bb63376d92bc606597f0818f5b11c2e Mon Sep 17 00:00:00 2001 From: Andrew Vasquez Date: Fri, 26 Aug 2005 19:10:10 -0700 Subject: [PATCH] [SCSI] qla2xxx: Replace schedule_timeout(). From: Nishanth Aravamudan Replace schedule_timeout() with msleep()/msleep_interruptible() as appropriate, to guarantee the task delays as expected. Signed-off-by: Nishanth Aravamudan Signed-off-by: Domen Puncer Signed-off-by: Andrew Vasquez Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_os.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 5a542655d442..af9b4e77cbff 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -502,14 +502,13 @@ qc24_fail_command: static int qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) { -#define ABORT_POLLING_PERIOD HZ -#define ABORT_WAIT_ITER ((10 * HZ) / (ABORT_POLLING_PERIOD)) +#define ABORT_POLLING_PERIOD 1000 +#define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) unsigned long wait_iter = ABORT_WAIT_ITER; int ret = QLA_SUCCESS; while (CMD_SP(cmd)) { - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(ABORT_POLLING_PERIOD); + msleep(ABORT_POLLING_PERIOD); if (--wait_iter) break; @@ -1960,7 +1959,7 @@ qla2x00_mem_free(scsi_qla_host_t *ha) { struct list_head *fcpl, *fcptemp; fc_port_t *fcport; - unsigned long wtime;/* max wait time if mbx cmd is busy. */ + unsigned int wtime;/* max wait time if mbx cmd is busy. */ if (ha == NULL) { /* error */ @@ -1969,11 +1968,9 @@ qla2x00_mem_free(scsi_qla_host_t *ha) } /* Make sure all other threads are stopped. */ - wtime = 60 * HZ; - while (ha->dpc_wait && wtime) { - set_current_state(TASK_INTERRUPTIBLE); - wtime = schedule_timeout(wtime); - } + wtime = 60 * 1000; + while (ha->dpc_wait && wtime) + wtime = msleep_interruptible(wtime); /* free ioctl memory */ qla2x00_free_ioctl_mem(ha); @@ -2504,15 +2501,15 @@ qla2x00_timer(scsi_qla_host_t *ha) int qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) { - const unsigned int step = HZ/10; + const unsigned int step = 100; /* msecs */ + unsigned int iterations = jiffies_to_msecs(timeout)/100; do { if (!down_trylock(sema)) return 0; - set_current_state(TASK_INTERRUPTIBLE); - if (schedule_timeout(step)) + if (msleep_interruptible(step)) break; - } while ((timeout -= step) > 0); + } while (--iterations >= 0); return -ETIMEDOUT; } -- 2.30.2