From: Edward Shishkin <edward.shishkin@gmail.com>
Date: Thu, 11 Mar 2010 22:09:47 +0000 (-0800)
Subject: vfs: improve writeback_inodes_wb()
X-Git-Tag: v2.6.34-rc4~11^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f11c9c5c259cb2c3d698548dc3936f773ab1f5b9;p=pandora-kernel.git

vfs: improve writeback_inodes_wb()

Do not pin/unpin superblock for every inode in writeback_inodes_wb(), pin
it for the whole group of inodes which belong to the same superblock and
call writeback_sb_inodes() handler for them.

Signed-off-by: Edward Shishkin <edward.shishkin@gmail.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

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