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From: Andreas Gruenbacher <agruenba@redhat.com>
To: gfs2@lists.linux.dev
Cc: Andreas Gruenbacher <agruenba@redhat.com>
Subject: [PATCH 4/4] gfs2: Lift withdraw check out of gfs2_ail1_empty
Date: Wed, 20 Dec 2023 21:12:22 +0100	[thread overview]
Message-ID: <20231220201222.1581061-4-agruenba@redhat.com> (raw)
In-Reply-To: <20231220201222.1581061-1-agruenba@redhat.com>

Lift the check for the SDF_WITHDRAWING flag out of gfs2_ail1_empty() and
into its callers.  This is needed so that gfs2_flush_revokes() can drop
the sd_log_lock spinlock before triggering a withdraw if necessary.

Instead of checking for the SDF_WITHDRAWING flag, use
gfs2_withdrawing().  Also, the low-level code triggering the delayed
withdraw reports when there is a problem, so there is no need to report
that again.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
---
 fs/gfs2/log.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 8691839104b7..fdef6bc77c54 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -373,11 +373,6 @@ static bool gfs2_ail1_empty(struct gfs2_sbd *sdp, int max_revokes)
 	empty = list_empty(&sdp->sd_ail1_list);
 	spin_unlock(&sdp->sd_ail_lock);
 
-	if (test_bit(SDF_WITHDRAWING, &sdp->sd_flags)) {
-		gfs2_lm(sdp, "fatal: I/O error(s)\n");
-		gfs2_withdraw(sdp);
-	}
-
 	return empty;
 }
 
@@ -815,6 +810,9 @@ void gfs2_flush_revokes(struct gfs2_sbd *sdp)
 	gfs2_log_lock(sdp);
 	gfs2_ail1_empty(sdp, max_revokes);
 	gfs2_log_unlock(sdp);
+
+	if (gfs2_withdrawing(sdp))
+		gfs2_withdraw(sdp);
 }
 
 /**
@@ -987,7 +985,13 @@ static void empty_ail1_list(struct gfs2_sbd *sdp)
 		gfs2_ail1_start(sdp);
 		gfs2_ail1_wait(sdp);
 		empty = gfs2_ail1_empty(sdp, 0);
+
+		if (gfs2_withdrawing_or_withdrawn(sdp))
+			break;
 	}
+
+	if (gfs2_withdrawing(sdp))
+		gfs2_withdraw(sdp);
 }
 
 /**
@@ -1344,6 +1348,9 @@ int gfs2_logd(void *data)
 				t);
 	}
 
+	if (gfs2_withdrawing(sdp))
+		gfs2_withdraw(sdp);
+
 	return 0;
 }
 
-- 
2.43.0


      parent reply	other threads:[~2023-12-20 20:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-20 20:12 [PATCH 1/4] gfs2: Minor gfs2_ail1_empty cleanup Andreas Gruenbacher
2023-12-20 20:12 ` [PATCH 2/4] gfs2: Mark withdraws as unlikely Andreas Gruenbacher
2023-12-20 20:12 ` [PATCH 3/4] gfs2: Rename gfs2_withdrawn to gfs2_withdrawing_or_withdrawn Andreas Gruenbacher
2023-12-20 20:12 ` Andreas Gruenbacher [this message]

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