From: Yan, Zheng <zheng.z.yan@intel.com>
Date: Tue, 11 Feb 2014 05:04:19 +0000 (+0800)
Subject: ceph: remove xattr when null value is given to setxattr()
X-Git-Tag: v3.14-rc4~34^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bcdfeb2eb4e42b811950b9cd226109291051732a;p=pandora-kernel.git

ceph: remove xattr when null value is given to setxattr()

For the setxattr request, introduce a new flag CEPH_XATTR_REMOVE
to distinguish null value case from the zero-length value case.

Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
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