From 8afdd94c74e416de74a8ee61d79e4bf93466420b Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Thu, 27 Apr 2017 16:32:41 -0600 Subject: [PATCH] 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 Reviewed-by: Christoph Hellwig Tested-by: Ming Lei Signed-off-by: Jens Axboe --- drivers/block/mtip32xx/mtip32xx.c | 20 +++++--------------- 1 file 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 -- 2.20.1