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[19/39] lustre: mdc: avoid easize set to 0

Message ID 1611249422-556-20-git-send-email-jsimmons@infradead.org (mailing list archive)
State New, archived
Headers show
Series lustre: update to latest OpenSFS version as of Jan 21 2021 | expand

Commit Message

James Simmons Jan. 21, 2021, 5:16 p.m. UTC 
From: Yang Sheng <ys@whamcloud.com>

The cl_default_mds_easize could be set to 0 in some case. Then
check it before package.

Fixes: 05fc96e25b55 ("lustre: osd: Set max ea size to XATTR_SIZE_MAX")
WC-bug-id: https://jira.whamcloud.com/browse/LU-14155
Lustre-commit: ff35e27da4c76b ("LU-14155 mdc: avoid easize set to 0")
Signed-off-by: Yang Sheng <ys@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/40785
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Mike Pershin <mpershin@whamcloud.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
---
 fs/lustre/mdc/mdc_locks.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/fs/lustre/mdc/mdc_locks.c b/fs/lustre/mdc/mdc_locks.c
index a82e8ca..8bbb9e1 100644
--- a/fs/lustre/mdc/mdc_locks.c
+++ b/fs/lustre/mdc/mdc_locks.c
@@ -554,7 +554,10 @@  static int mdc_save_lovea(struct ptlrpc_request *req, void *data, u32 size)
 	lit = req_capsule_client_get(&req->rq_pill, &RMF_LDLM_INTENT);
 	lit->opc = (u64)it->it_op;
 
-	easize = obd->u.cli.cl_default_mds_easize;
+	if (obd->u.cli.cl_default_mds_easize > 0)
+		easize = obd->u.cli.cl_default_mds_easize;
+	else
+		easize = obd->u.cli.cl_max_mds_easize;
 
 	/* pack the intended request */
 	mdc_getattr_pack(req, valid, it->it_flags, op_data, easize);