unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
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bcache: Fix a flush/fua performance bug

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bch_journal_meta() was missing the flush to make the journal write
actually go down (instead of waiting up to journal_delay_ms)...

Whoops

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Cc: linux-stable <stable@vger.kernel.org> # >= v3.10
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kent Overstreet 2013-09-23 23:17:32 -07:00 committed by Linus Torvalds
parent c2a4f3183a
commit 1394d6761b
1 changed files with 1 additions and 0 deletions
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drivers/md/bcache/journal.c
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@ -695,6 +695,7 @@ void bch_journal_meta(struct cache_set *c, struct closure *cl)
if (cl)
BUG_ON(!closure_wait(&w->wait, cl));
closure_flush(&c->journal.io);
__journal_try_write(c, true);
}
}