Re: [PATCH] writeback: Don't wait for completion inwriteback_inodes_sb_nr

[Christoph Hellwig]

On Wed, Jun 29, 2011 at 09:15:18PM +0200, Jan Kara wrote:
>   True but writeback_single_inode() has in it:
>         if (wbc->sync_mode == WB_SYNC_ALL) {
>                 int err = filemap_fdatawait(mapping);
>                 if (ret == 0)
>                         ret = err;
>         }
>   So we end up waiting much earlier. Probably we should remove this wait
> but that will need some audit I guess.

Uhh, indeed.  We'll need this wait for things like sync_inode, though.

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