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Add a real API for dealing with blk_congestion_wait()

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Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2006-08-22 20:06:24 -04:00
parent 94a6d75320
commit 275a082fe9
5 changed files with 24 additions and 0 deletions
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9
mm/page-writeback.c
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@@ -802,6 +802,15 @@ int test_set_page_writeback(struct page *page)
}
EXPORT_SYMBOL(test_set_page_writeback);
/*
* Wakes up tasks that are being throttled due to writeback congestion
*/
void writeback_congestion_end(void)
{
blk_congestion_end(WRITE);
}
EXPORT_SYMBOL(writeback_congestion_end);
/*
* Return true if any of the pages in the mapping are marged with the
* passed tag.