From: Chris Horn <hornc@cray.com>
Date: Tue, 6 Sep 2016 15:48:28 +0000 (-0500)
Subject: LU-8735 llite: Return -ERESTARTSYS in range_lock()
X-Git-Tag: 2.9.55~42
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=6c8085515d84ec6fd8abe82b007624d67927d089

LU-8735 llite: Return -ERESTARTSYS in range_lock()

If we return -ERESTARTSYS rather than -EINTR then the syscall can be
retried rather than failing with -EINTR.

Signed-off-by: Chris Horn <hornc@cray.com>
Change-Id: I20d1a552448e567f0400a14a71a00d0d25a9164d
Reviewed-on: https://review.whamcloud.com/23259
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---

diff --git a/lustre/llite/range_lock.c b/lustre/llite/range_lock.c
index ead9321..56e1291 100644
--- a/lustre/llite/range_lock.c
+++ b/lustre/llite/range_lock.c
@@ -234,7 +234,7 @@ int range_lock(struct range_lock_tree *tree, struct range_lock *lock)
 
 		if (signal_pending(current)) {
 			range_unlock(tree, lock);
-			GOTO(out, rc = -EINTR);
+			GOTO(out, rc = -ERESTARTSYS);
 		}
 		spin_lock(&tree->rlt_lock);
 	}