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Two bug fixes for old issues, both marked for stable.

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Merge tag 'ceph-for-5.0-rc8' of git://github.com/ceph/ceph-client

Pull ceph fixes from Ilya Dryomov:
 "Two bug fixes for old issues, both marked for stable"

* tag 'ceph-for-5.0-rc8' of git://github.com/ceph/ceph-client:
  ceph: avoid repeatedly adding inode to mdsc->snap_flush_list
  libceph: handle an empty authorize reply
This commit is contained in:
Linus Torvalds 2019-02-21 09:43:37 -08:00
commit 8a61716ff2
2 changed files with 11 additions and 7 deletions
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3
fs/ceph/snap.c
View File

@ -616,7 +616,8 @@ int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
capsnap->size);
spin_lock(&mdsc->snap_flush_lock);
list_add_tail(&ci->i_snap_flush_item, &mdsc->snap_flush_list);
if (list_empty(&ci->i_snap_flush_item))
list_add_tail(&ci->i_snap_flush_item, &mdsc->snap_flush_list);
spin_unlock(&mdsc->snap_flush_lock);
return 1; /* caller may want to ceph_flush_snaps */
}

15
net/ceph/messenger.c
View File

@ -2058,6 +2058,8 @@ static int process_connect(struct ceph_connection *con)
dout("process_connect on %p tag %d\n", con, (int)con->in_tag);
if (con->auth) {
int len = le32_to_cpu(con->in_reply.authorizer_len);
/*
* Any connection that defines ->get_authorizer()
* should also define ->add_authorizer_challenge() and
@ -2067,8 +2069,7 @@ static int process_connect(struct ceph_connection *con)
*/
if (con->in_reply.tag == CEPH_MSGR_TAG_CHALLENGE_AUTHORIZER) {
ret = con->ops->add_authorizer_challenge(
con, con->auth->authorizer_reply_buf,
le32_to_cpu(con->in_reply.authorizer_len));
con, con->auth->authorizer_reply_buf, len);
if (ret < 0)
return ret;
@ -2078,10 +2079,12 @@ static int process_connect(struct ceph_connection *con)
return 0;
}
ret = con->ops->verify_authorizer_reply(con);
if (ret < 0) {
con->error_msg = "bad authorize reply";
return ret;
if (len) {
ret = con->ops->verify_authorizer_reply(con);
if (ret < 0) {
con->error_msg = "bad authorize reply";
return ret;
}
}
}