From: Andrew Morton <akpm@osdl.org>
Date: Wed, 16 Nov 2005 23:07:01 +0000 (-0800)
Subject: identify multipage ->writepages() calls
X-Git-Tag: v2.6.16-rc1~935^2~4^2~57
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22905f775dd6a8b73be99826dcad07ceec00244b;p=pandora-kernel.git

identify multipage ->writepages() calls

 NFS needs to be able to distinguish between single-page ->writepage() calls and
 multipage ->writepages() calls.

 For the single-page writepage calls NFS can kick off the I/O within the
 context of ->writepage().

 For multipage ->writepages calls, nfs_writepage() will leave the I/O pending
 and nfs_writepages() will kick off the I/O when it all has been queued up
 within NFS.

 Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
 Signed-off-by: Andrew Morton <akpm@osdl.org>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---

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