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Commit 74baaaae authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Theodore Ts'o
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vfs: Remove the range_cont writeback mode. 



Ext4 was the only user of range_cont writeback mode and ext4 switched
to a different method. So remove the range_cont mode which is not used
in the kernel.

Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
CC: linux-fsdevel@vger.kernel.org
parent af6f029d

include/linux/writeback.h

+0 −1
Original line number Original line Diff line number Diff line
@@ -63,7 +63,6 @@ struct writeback_control { 
	unsigned for_writepages:1;	/* This is a writepages() call */

	unsigned for_writepages:1;	/* This is a writepages() call */

	unsigned range_cyclic:1;	/* range_start is cyclic */

	unsigned range_cyclic:1;	/* range_start is cyclic */

	unsigned more_io:1;		/* more io to be dispatched */

	unsigned more_io:1;		/* more io to be dispatched */

	unsigned range_cont:1;

};

};





/*

/*

mm/page-writeback.c

+0 −2
Original line number Original line Diff line number Diff line
@@ -961,8 +961,6 @@ retry: 
	if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))

	if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))

		mapping->writeback_index = index;

		mapping->writeback_index = index;





	if (wbc->range_cont)

		wbc->range_start = index << PAGE_CACHE_SHIFT;

	return ret;

	return ret;

}

}

EXPORT_SYMBOL(write_cache_pages);

EXPORT_SYMBOL(write_cache_pages);