From: Alex Zhuravlev <bzzz@whamcloud.com>
Date: Fri, 6 May 2022 06:49:56 +0000 (+0300)
Subject: LU-15830 mdt: mkdir to lookup target name
X-Git-Tag: 2.15.0-RC5~12
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=13760fd8ba42c2589777c933c3a0b442c1eb083a;p=fs%2Flustre-release.git

LU-15830 mdt: mkdir to lookup target name

distributed mkdir should lookup the target name to
avoid rollback as much as possible as the latter is
very expensive due to llog re-initialization.

Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: If28760e0afb804dca11e1e7501e0a53ff9067ca1
Reviewed-on: https://review.whamcloud.com/47226
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Lai Siyao <lai.siyao@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---

diff --git a/lustre/mdt/mdt_reint.c b/lustre/mdt/mdt_reint.c
index ab3cdd4..c800ca6 100644
--- a/lustre/mdt/mdt_reint.c
+++ b/lustre/mdt/mdt_reint.c
@@ -626,6 +626,8 @@ static int mdt_create(struct mdt_thread_info *info)
 	 * not exist.
 	 */
 	info->mti_spec.sp_cr_lookup = 0;
+	if (mdt_object_remote(parent))
+		info->mti_spec.sp_cr_lookup = 1;
 	info->mti_spec.sp_feat = &dt_directory_features;
 
 	rc = mdo_create(info->mti_env, mdt_object_child(parent), &rr->rr_name,