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vfs: Remove the range_cont writeback mode.
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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: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
CC: linux-fsdevel@vger.kernel.org
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Aneesh Kumar K.V authored and Theodore Ts'o committed Oct 14, 2008
1 parent af6f029 commit 74baaaa
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Showing 2 changed files with 0 additions and 3 deletions.
1 change: 0 additions & 1 deletion include/linux/writeback.h
Original file line number Diff line number Diff line change
Expand Up @@ -63,7 +63,6 @@ struct writeback_control {
unsigned for_writepages:1; /* This is a writepages() call */
unsigned range_cyclic:1; /* range_start is cyclic */
unsigned more_io:1; /* more io to be dispatched */
unsigned range_cont:1;
};

/*
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2 changes: 0 additions & 2 deletions mm/page-writeback.c
Original file line number Diff line number Diff line change
Expand Up @@ -961,8 +961,6 @@ int write_cache_pages(struct address_space *mapping,
if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
mapping->writeback_index = index;

if (wbc->range_cont)
wbc->range_start = index << PAGE_CACHE_SHIFT;
return ret;
}
EXPORT_SYMBOL(write_cache_pages);
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