From: John L. Hammond <john.hammond@intel.com>
Date: Fri, 8 Dec 2017 19:10:21 +0000 (-0600)
Subject: LU-10331 out: use OBD_ALLOC_LARGE() for update buffers
X-Git-Tag: 2.10.57~88
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=refs%2Fchanges%2F55%2F30455%2F2;p=fs%2Flustre-release.git

LU-10331 out: use OBD_ALLOC_LARGE() for update buffers

In out_handle() the update buffers may be up to 100KB so use
OBD_ALLOC_LARGE() to avoid high order page allocation errors.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: Ie9970eb219ff0e5357132e0858cb16db8f703209
Reviewed-on: https://review.whamcloud.com/30455
Tested-by: Jenkins
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
---

diff --git a/lustre/target/out_handler.c b/lustre/target/out_handler.c
index 8e761c1..d62bb26 100644
--- a/lustre/target/out_handler.c
+++ b/lustre/target/out_handler.c
@@ -964,7 +964,7 @@ int out_handle(struct tgt_session_info *tsi)
 			if (tmp->oub_size >= OUT_MAXREQSIZE)
 				GOTO(out_free, rc = err_serious(-EPROTO));
 
-			OBD_ALLOC(update_bufs[i], tmp->oub_size);
+			OBD_ALLOC_LARGE(update_bufs[i], tmp->oub_size);
 			if (update_bufs[i] == NULL)
 				GOTO(out_free, rc = err_serious(-ENOMEM));
 
@@ -1162,7 +1162,8 @@ out_free:
 		if (oub != NULL) {
 			for (i = 0; i < update_buf_count; i++, oub++) {
 				if (update_bufs[i] != NULL)
-					OBD_FREE(update_bufs[i], oub->oub_size);
+					OBD_FREE_LARGE(update_bufs[i],
+						       oub->oub_size);
 			}
 		}