From: Sage Weil <sage@newdream.net>
Date: Wed, 8 Jun 2011 03:40:35 +0000 (-0700)
Subject: ceph: fix ENOENT logic in striped_read
X-Git-Tag: v3.0-rc3~2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0e98728fa32d338907631349a8cc2afa07c0cb9a;p=pandora-kernel.git

ceph: fix ENOENT logic in striped_read

Getting ENOENT is equivalent to reading 0 bytes.  Make that correction
before setting up the hit_stripe and was_short flags.

Fixes the following case:
 dd if=/dev/zero of=/mnt/fs_depot/dd3 bs=1 seek=1048576 count=0
 dd if=/mnt/fs_depot/dd3 of=/root/ddout1 skip=8 bs=500 count=2 iflag=direct

Reported-by: Henry C Chang <henry.cy.chang@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---

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