* [PATCH 1/2] dm suspend: return -ERESTARTSYS instead of -EINTR
@ 2024-08-05 15:27 Mikulas Patocka
0 siblings, 0 replies; only message in thread
From: Mikulas Patocka @ 2024-08-05 15:27 UTC (permalink / raw)
To: Alasdair Kergon, Mike Snitzer, dm-devel, linux-kernel,
Khazhismel Kumykov, Zdenek Kabelac
This commit changes device mapper, so that it returns -ERESTARTSYS
instead of -EINTR when it is interrupted by a signal (so that the syscal
will restart the ioctl).
The manpage signal(7) says that the ioctl function should be restarted if
the signal was handled with SA_RESTART.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
---
drivers/md/dm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-2.6/drivers/md/dm.c
===================================================================
--- linux-2.6.orig/drivers/md/dm.c 2024-07-30 14:06:55.000000000 +0200
+++ linux-2.6/drivers/md/dm.c 2024-07-31 18:10:21.000000000 +0200
@@ -2737,7 +2737,7 @@ static int dm_wait_for_bios_completion(s
break;
if (signal_pending_state(task_state, current)) {
- r = -EINTR;
+ r = -ERESTARTSYS;
break;
}
@@ -2762,7 +2762,7 @@ static int dm_wait_for_completion(struct
break;
if (signal_pending_state(task_state, current)) {
- r = -EINTR;
+ r = -ERESTARTSYS;
break;
}
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