tree e5ca904b7b31154b1a412bcd3a2160f31581bdb7
parent 00821b002df7da867bb2c15b4f83f3706371383f
author Wu Fengguang <fengguang.wu@intel.com> 1284320045 -0600
committer Wu Fengguang <fengguang.wu@intel.com> 1310274542 -0700

writeback: consolidate variable names in balance_dirty_pages()

Introduce

	nr_dirty = NR_FILE_DIRTY + NR_WRITEBACK + NR_UNSTABLE_NFS

in order to simplify many tests in the following patches.

balance_dirty_pages() will eventually care only about the dirty sums
besides nr_writeback.

Acked-by: Jan Kara <jack@suse.cz>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>