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[10/28] lustre: lov: doesn't check lov_refcount

Message ID 1605488401-981-11-git-send-email-jsimmons@infradead.org (mailing list archive)
State New
Headers show
Series OpenSFS backport for Nov 15 2020 | expand

Commit Message

James Simmons Nov. 16, 2020, 12:59 a.m. UTC
From: Hongchao Zhang <hongchao@whamcloud.com>

In lov_cleanup, the check of each OSC is protected by
lov_tgt_getrefs, which will increment the "lov_refcount",
so the "lov_refcount" shouldn't be checked inside because
it is always larger than 0.

WC-bug-id: https://jira.whamcloud.com/browse/LU-13719
Lustre-commit: 6ae92a7f1bd94c ("LU-13719 lov: doesn't check lov_refcount")
Signed-off-by: Hongchao Zhang <hongchao@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/39702
Reviewed-by: Lai Siyao <lai.siyao@whamcloud.com>
Reviewed-by: Bobi Jam <bobijam@hotmail.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
 fs/lustre/lov/lov_obd.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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diff --git a/fs/lustre/lov/lov_obd.c b/fs/lustre/lov/lov_obd.c
index d88d325..c8654bd 100644
--- a/fs/lustre/lov/lov_obd.c
+++ b/fs/lustre/lov/lov_obd.c
@@ -820,8 +820,7 @@  static int lov_cleanup(struct obd_device *obd)
 			/* Inactive targets may never have connected */
-			if (lov->lov_tgts[i]->ltd_active ||
-			    atomic_read(&lov->lov_refcount))
+			if (lov->lov_tgts[i]->ltd_active)
 			    /* We should never get here - these
 			     * should have been removed in the
 			     * disconnect.