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Xiubo LiandGreg Kroah-Hartman 11a102de53 ceph: fix mdsmap decode when there are MDS's beyond max_mds 
commit 0e24421ac4 upstream.

If the max_mds is decreased in a cephfs cluster, there is a window
of time before the MDSs are removed. If a map goes out during this
period, the mdsmap may show the decreased max_mds but still shows
those MDSes as in or in the export target list.

Ensure that we don't fail the map decode in that case.

Cc: stable@vger.kernel.org
URL: https://tracker.ceph.com/issues/52436
Fixes: d517b3983d ("ceph: reconnect to the export targets on new mdsmaps")
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-18 19:17:15 +01:00
..
acl.c
vfs: add rcu argument to ->get_acl() callback
2021-08-18 22:08:24 +02:00
addr.c
Merge tag 'ceph-for-5.15-rc1' of git://github.com/ceph/ceph-client
2021-09-08 15:50:32 -07:00
cache.c
…
cache.h
ceph: remove some defunct forward declarations
2021-09-02 22:49:16 +02:00
caps.c
ceph: fix handling of "meta" errors
2021-10-19 09:36:06 +02:00
ceph_frag.c
…
debugfs.c
ceph: add IO size metrics support
2021-06-29 00:15:51 +02:00
dir.c
ceph: take reference to req->r_parent at point of assignment
2021-06-29 00:15:52 +02:00
export.c
ceph: take reference to req->r_parent at point of assignment
2021-06-29 00:15:52 +02:00
file.c
ceph: fix handling of "meta" errors
2021-10-19 09:36:06 +02:00
inode.c
ceph: fix handling of "meta" errors
2021-10-19 09:36:06 +02:00
io.c
…
io.h
…
ioctl.c
…
ioctl.h
…
Kconfig
…
locks.c
fs: remove mandatory file locking support
2021-08-23 06:15:36 -04:00
Makefile
…
mds_client.c
ceph: fix handling of "meta" errors
2021-10-19 09:36:06 +02:00
mds_client.h
ceph: flush mdlog before umounting
2021-09-02 22:49:16 +02:00
mdsmap.c
ceph: fix mdsmap decode when there are MDS's beyond max_mds
2021-11-18 19:17:15 +01:00
metric.c
ceph: cancel delayed work instead of flushing on mdsc teardown
2021-09-02 22:49:17 +02:00
metric.h
ceph: add IO size metrics support
2021-06-29 00:15:51 +02:00
quota.c
ceph: eliminate ceph_async_iput()
2021-06-29 00:15:52 +02:00
snap.c
ceph: add ceph_change_snap_realm() helper
2021-09-02 22:49:17 +02:00
strings.c
ceph: flush mdlog before umounting
2021-09-02 22:49:16 +02:00
super.c
ceph: skip existing superblocks that are blocklisted or shut down when mounting
2021-10-19 09:36:06 +02:00
super.h
ceph: fix handling of "meta" errors
2021-10-19 09:36:06 +02:00
util.c
…
xattr.c
ceph: add a new vxattr to return auth mds for an inode
2021-09-02 22:49:16 +02:00