From: Jan Kara <jack@suse.cz>
Date: Thu, 3 May 2012 12:47:56 +0000 (+0200)
Subject: writeback: Move requeueing when I_SYNC set to writeback_sb_inodes()
X-Git-Tag: v3.5-rc1~60^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc1676d917f32504dbadc858fa790bc524c9f0da;p=pandora-kernel.git

writeback: Move requeueing when I_SYNC set to writeback_sb_inodes()

When writeback_single_inode() is called on inode which has I_SYNC already
set while doing WB_SYNC_NONE, inode is moved to b_more_io list. However
this makes sense only if the caller is flusher thread. For other callers of
writeback_single_inode() it doesn't really make sense and may be even wrong
- flusher thread may be doing WB_SYNC_ALL writeback in parallel.

So we move requeueing from writeback_single_inode() to writeback_sb_inodes().

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
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