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authorJens Axboe <axboe@fb.com>2017-04-27 16:32:41 -0600
committerJens Axboe <axboe@fb.com>2017-05-02 07:52:08 -0600
commit8afdd94c74e416de74a8ee61d79e4bf93466420b (patch)
tree0afae95b5571397889fc91e40d7ff118d108a005 /drivers/block/mtip32xx
parent0f6422a2c57c6afcf66ead903dc3fa6641184aa4 (diff)
mtip32xx: kill atomic argument to mtip_quiesce_io()
All callers now pass in GFP_KERNEL, get rid of the argument. Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Tested-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/block/mtip32xx')
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c20
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index d81d797ee65d..36f3d34f2156 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -1035,14 +1035,12 @@ static bool mtip_pause_ncq(struct mtip_port *port,
*
* @port Pointer to port data structure
* @timeout Max duration to wait (ms)
- * @atomic gfp_t flag to indicate blockable context or not
*
* return value
* 0 Success
* -EBUSY Commands still active
*/
-static int mtip_quiesce_io(struct mtip_port *port, unsigned long timeout,
- gfp_t atomic)
+static int mtip_quiesce_io(struct mtip_port *port, unsigned long timeout)
{
unsigned long to;
unsigned int n;
@@ -1053,18 +1051,12 @@ static int mtip_quiesce_io(struct mtip_port *port, unsigned long timeout,
to = jiffies + msecs_to_jiffies(timeout);
do {
if (test_bit(MTIP_PF_SVC_THD_ACTIVE_BIT, &port->flags) &&
- test_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags) &&
- atomic == GFP_KERNEL) {
+ test_bit(MTIP_PF_ISSUE_CMDS_BIT, &port->flags)) {
msleep(20);
continue; /* svc thd is actively issuing commands */
}
- if (atomic == GFP_KERNEL)
- msleep(100);
- else {
- cpu_relax();
- udelay(100);
- }
+ msleep(100);
if (mtip_check_surprise_removal(port->dd->pdev))
goto err_fault;
@@ -1142,8 +1134,7 @@ static int mtip_exec_internal_command(struct mtip_port *port,
if (fis->command != ATA_CMD_STANDBYNOW1) {
/* wait for io to complete if non atomic */
- if (mtip_quiesce_io(port,
- MTIP_QUIESCE_IO_TIMEOUT_MS, GFP_KERNEL) < 0) {
+ if (mtip_quiesce_io(port, MTIP_QUIESCE_IO_TIMEOUT_MS) < 0) {
dev_warn(&dd->pdev->dev, "Failed to quiesce IO\n");
mtip_put_int_command(dd, int_cmd);
clear_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags);
@@ -4106,8 +4097,7 @@ static int mtip_block_remove(struct driver_data *dd)
* Explicitly wait here for IOs to quiesce,
* as mtip_standby_drive usually won't wait for IOs.
*/
- if (!mtip_quiesce_io(dd->port, MTIP_QUIESCE_IO_TIMEOUT_MS,
- GFP_KERNEL))
+ if (!mtip_quiesce_io(dd->port, MTIP_QUIESCE_IO_TIMEOUT_MS))
mtip_standby_drive(dd);
}
else