From: Alex Zhuravlev <bzzz@whamcloud.com>
Date: Wed, 14 May 2025 16:35:13 +0000 (+0300)
Subject: LU-19016 target: reset o_grant if no grant is returned
X-Git-Tag: 2.16.56~38
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=a91c46a7da131208c17843b07f635ecf25baf097;p=fs%2Flustre-release.git

LU-19016 target: reset o_grant if no grant is returned

tgt_grant_dealloc() should reset o_grant (which goes back
to the client) if the server doesn't want to return grants.

Test-Parameters: testlist=sanity
Test-Parameters: testlist=sanity
Test-Parameters: testlist=sanity
Test-Parameters: testlist=sanity-quota,sanity-quota
Fixes: df2b5d99ad ("LU-17933 target: do not break grants on RPC failure")
Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: I33851c1e023534f6b5cf3c5596a23b0835a3fe01
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/59234
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Sergey Cheremencev <scherementsev@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---

diff --git a/lustre/target/tgt_grant.c b/lustre/target/tgt_grant.c
index 8b436e9..1e7cc9a 100644
--- a/lustre/target/tgt_grant.c
+++ b/lustre/target/tgt_grant.c
@@ -999,6 +999,7 @@ void tgt_grant_dealloc(struct obd_export *exp, struct obdo *oa)
 	if (!disconnected) {
 		tgd->tgd_tot_granted -= oa->o_grant;
 		ted->ted_grant -= oa->o_grant;
+		oa->o_grant = 0;
 	}
 	spin_unlock(&tgd->tgd_grant_lock);
 }