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mm: export dirty_writeback_interval

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Export 'dirty_writeback_interval' to make it visible to
file-systems. We are going to push superblock management down to
file-systems and get rid of the 'sync_supers' kernel thread completly.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Artem Bityutskiy 2012-03-21 22:33:00 -04:00 committed by Theodore Ts'o
parent 182f514f88
commit 91913a2942
1 changed files with 2 additions and 0 deletions
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mm/page-writeback.c
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@ -95,6 +95,8 @@ unsigned long vm_dirty_bytes;
*/
unsigned int dirty_writeback_interval = 5 * 100; /* centiseconds */
EXPORT_SYMBOL_GPL(dirty_writeback_interval);
/*
* The longest time for which data is allowed to remain dirty
*/