summaryrefslogtreecommitdiff
path: root/drivers/scsi/iscsi_tcp.c
diff options
context:
space:
mode:
authorVlastimil Babka <vbabka@suse.cz>2017-04-17 01:34:58 +1000
committerStephen Rothwell <sfr@canb.auug.org.au>2017-04-26 16:59:44 +1000
commite582ab93a3635c59f96806a28ad5119899468f58 (patch)
tree872487d03825ebc60af9051e877d0ba3ca1222ea /drivers/scsi/iscsi_tcp.c
parent48ac10ab9aa2d7cb03e0219bd686d239261e3b1f (diff)
downloadlinux-next-e582ab93a3635c59f96806a28ad5119899468f58.tar.gz
treewide: convert PF_MEMALLOC manipulations to new helpers
We now have memalloc_noreclaim_{save,restore} helpers for robust setting and clearing of PF_MEMALLOC. Let's convert the code which was using the generic tsk_restore_flags(). No functional change. Link: http://lkml.kernel.org/r/20170405074700.29871-4-vbabka@suse.cz Signed-off-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Josef Bacik <jbacik@fb.com> Cc: Lee Duncan <lduncan@suse.com> Cc: Chris Leech <cleech@redhat.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Richard Weinberger <richard@nod.at> Cc: Wouter Verhelst <w@uter.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/scsi/iscsi_tcp.c')
-rw-r--r--drivers/scsi/iscsi_tcp.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index bbea8eac9abb..4842fc0e809d 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -30,6 +30,7 @@
#include <linux/types.h>
#include <linux/inet.h>
#include <linux/slab.h>
+#include <linux/sched/mm.h>
#include <linux/file.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
@@ -371,10 +372,10 @@ static inline int iscsi_sw_tcp_xmit_qlen(struct iscsi_conn *conn)
static int iscsi_sw_tcp_pdu_xmit(struct iscsi_task *task)
{
struct iscsi_conn *conn = task->conn;
- unsigned long pflags = current->flags;
+ unsigned int noreclaim_flag;
int rc = 0;
- current->flags |= PF_MEMALLOC;
+ noreclaim_flag = memalloc_noreclaim_save();
while (iscsi_sw_tcp_xmit_qlen(conn)) {
rc = iscsi_sw_tcp_xmit(conn);
@@ -387,7 +388,7 @@ static int iscsi_sw_tcp_pdu_xmit(struct iscsi_task *task)
rc = 0;
}
- current_restore_flags(pflags, PF_MEMALLOC);
+ memalloc_noreclaim_restore(noreclaim_flag);
return rc;
}