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mds: don't getxattr and setxattr at the same time

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If an osd request contains write operation, the reply will not
carry output data. So we can't getxattr and setxattr in single
OSD request.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Yan, Zheng 2015-11-24 20:16:09 +08:00
parent 1cc9d52ef7
commit a2def5e29f
1 changed files with 8 additions and 13 deletions
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21
src/mds/CInode.cc
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@ -3741,23 +3741,18 @@ void CInode::validate_disk_state(CInode::validated_data *results,
object_t oid = CInode::get_object_name(in->ino(), frag_t(), "");
ObjectOperation fetch;
fetch.getxattr("parent", bt, bt_r);
// We want to tag even if we get ENODATA fetching the backtrace
fetch.set_last_op_flags(CEPH_OSD_OP_FLAG_FAILOK);
in->mdcache->mds->objecter->read(oid, object_locator_t(pool), fetch, CEPH_NOSNAP,
NULL, 0, fin);
if (!tag.empty()) {
ObjectOperation scrub_tag;
bufferlist tag_bl;
::encode(tag, tag_bl);
fetch.setxattr("scrub_tag", tag_bl);
}
if (tag.empty()) {
in->mdcache->mds->objecter->read(oid, object_locator_t(pool), fetch, CEPH_NOSNAP,
NULL, 0, fin);
} else {
SnapContext snapc;
in->mdcache->mds->objecter->mutate(oid, object_locator_t(pool), fetch,
snapc,ceph::real_clock::now(
g_ceph_context), 0, NULL, fin);
scrub_tag.setxattr("scrub_tag", tag_bl);
SnapContext snapc;
in->mdcache->mds->objecter->mutate(oid, object_locator_t(pool), scrub_tag, snapc,
ceph::real_clock::now(g_ceph_context),
0, NULL, NULL);
}
}