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Message-Id: <1245088797-29533-10-git-send-email-jack@suse.cz>
Date: Mon, 15 Jun 2009 19:59:56 +0200
From: Jan Kara <jack@...e.cz>
To: LKML <linux-kernel@...r.kernel.org>
Cc: linux-mm@...ck.org, linux-fsdevel@...r.kernel.org, npiggin@...e.de,
Jan Kara <jack@...e.cz>
Subject: [PATCH 09/11] vfs: Export wakeup_pdflush
When we are running out of free space on a filesystem, we want to flush dirty
pages in the filesystem so that blocks reserved via delayed allocation get
written and unnecessary block reservation is released. Export wakeup_pdflush()
so that filesystem can start such writeback.
Signed-off-by: Jan Kara <jack@...e.cz>
---
mm/page-writeback.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index bb553c3..43af1cf 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -730,6 +730,7 @@ int wakeup_pdflush(long nr_pages)
global_page_state(NR_UNSTABLE_NFS);
return pdflush_operation(background_writeout, nr_pages);
}
+EXPORT_SYMBOL(wakeup_pdflush);
static void wb_timer_fn(unsigned long unused);
static void laptop_timer_fn(unsigned long unused);
--
1.6.0.2
--
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