Re: [PATCH 1/3] writeback: introduce wbc.tagged_sync for theWB_SYNC_NONE sync stage

[Jan Kara]

On Mon 02-05-11 11:17:51, Wu Fengguang wrote:
> sync(2) is performed in two stages: the WB_SYNC_NONE sync and the
> WB_SYNC_ALL sync. Tag the first stage with wbc.tagged_sync and do
> livelock prevention for it, too.
> 
> Note that writeback_inodes_sb() is called by not only sync(), they are
> treated the same because the other callers need also need livelock
> prevention.
  I was thinking about this and could not find any - which other callers
of writeback_inodes_sb() need the livelock prevention?

								Honza
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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