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linux-stable/fs/ocfs2
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Xue jiufei 01c6222f87 ocfs2/dlm: disallow node joining when recovery is on going 
We found a race situation when dlm recovery and node joining occurs
simultaneously if the network state is bad.

N1                                      N4

start joining dlm and send
query join to all live nodes
                            set joining node to N1, return OK
send query join to other
live nodes and it may take
a while

call dlm_send_join_assert()
to send assert join message
when N2 is down, so keep
trying to send message to N2
until find N2 is down

send assert join message to
N3, but connection is down
with N3, so it may take a
while
                            become the recovery master for N2
                            and send begin reco message to other
                            nodes in domain map but no N1
connection with N3 is rebuild,
then send assert join to N4
                            call dlm_assert_joined_handler(),
                            add N1 to domain_map

                            dlm recovery done, send finalize message
                            to nodes in domain map, including N1
receiving finalize message,
trigger the BUG() because
recovery master mismatch.

Signed-off-by: joyce.xue <xuejiufei@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-06-04 16:53:54 -07:00
..
cluster ocfs2: remove NULL assignments on static 2014-06-04 16:53:53 -07:00
dlm ocfs2/dlm: disallow node joining when recovery is on going 2014-06-04 16:53:54 -07:00
dlmfs ocfs2: remove versioning information 2014-01-21 16:19:41 -08:00
acl.c ocfs2: call ocfs2_update_inode_fsync_trans when updating any inode 2014-04-03 16:20:56 -07:00
acl.h ocfs2: use generic posix ACL infrastructure 2014-01-25 23:58:21 -05:00
alloc.c ocfs2: fix umount hang while shutting down truncate log 2014-06-04 16:53:54 -07:00
alloc.h
aops.c ocfs2: improve fsync efficiency and fix deadlock between aio_write and sync_file 2014-04-03 16:20:53 -07:00
aops.h ocfs2: change ip_unaligned_aio to of type mutex from atomit_t 2014-04-03 16:20:53 -07:00
blockcheck.c ocfs2: kill endianness abuses in blockcheck.c 2012-05-29 23:28:35 -04:00
blockcheck.h
buffer_head_io.c ocfs2: do not put bh when buffer_uptodate failed 2014-04-03 16:20:56 -07:00
buffer_head_io.h
dcache.c ocfs2: revert iput deferring code in ocfs2_drop_dentry_lock 2014-04-03 16:20:55 -07:00
dcache.h ocfs2: revert iput deferring code in ocfs2_drop_dentry_lock 2014-04-03 16:20:55 -07:00
dir.c ocfs2: call ocfs2_update_inode_fsync_trans when updating any inode 2014-04-03 16:20:56 -07:00
dir.h [readdir] convert ocfs2 2013-06-29 12:57:02 +04:00
dlmglue.c ocfs2: avoid blocking in ocfs2_mark_lockres_freeing() in downconvert thread 2014-04-03 16:20:55 -07:00
dlmglue.h ocfs2: avoid blocking in ocfs2_mark_lockres_freeing() in downconvert thread 2014-04-03 16:20:55 -07:00
export.c fs: encode_fh: return FILEID_INVALID if invalid fid_type 2013-02-26 02:46:10 -05:00
export.h
extent_map.c ocfs2: fix the end cluster offset of FIEMAP 2013-09-11 15:56:53 -07:00
extent_map.h ocfs2: Implement llseek() 2011-07-25 14:58:15 -07:00
file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-04-12 14:49:50 -07:00
file.h
heartbeat.c
heartbeat.h
inode.c mm + fs: store shadow entries in page cache 2014-04-03 16:21:01 -07:00
inode.h ocfs2: remove OCFS2_INODE_SKIP_DELETE flag 2014-04-03 16:20:54 -07:00
ioctl.c fs/ocfs2/ioctl.c: add static to local functions 2014-06-04 16:53:54 -07:00
ioctl.h
journal.c ocfs2: limit printk when journal is aborted 2014-06-04 16:53:54 -07:00
journal.h ocfs2: improve fsync efficiency and fix deadlock between aio_write and sync_file 2014-04-03 16:20:53 -07:00
Kconfig
localalloc.c ocfs2: free allocated clusters if error occurs after ocfs2_claim_clusters 2014-02-06 13:48:51 -08:00
localalloc.h ocfs2: free allocated clusters if error occurs after ocfs2_claim_clusters 2014-02-06 13:48:51 -08:00
locks.c ocfs2: flock: drop cross-node lock when failed locally 2014-04-03 16:20:56 -07:00
locks.h
Makefile ocfs2: remove versioning information 2014-01-21 16:19:41 -08:00
mmap.c kill f_vfsmnt 2013-02-26 02:46:10 -05:00
mmap.h
move_extents.c ocfs2: rollback alloc_dinode counts when ocfs2_block_group_set_bits() failed 2014-04-03 16:20:56 -07:00
move_extents.h
namei.c ocfs2: call ocfs2_update_inode_fsync_trans when updating any inode 2014-04-03 16:20:56 -07:00
namei.h
ocfs1_fs_compat.h
ocfs2.h ocfs2: fix umount hang while shutting down truncate log 2014-06-04 16:53:54 -07:00
ocfs2_fs.h
ocfs2_ioctl.h
ocfs2_lockid.h
ocfs2_lockingver.h
ocfs2_trace.h ocfs2: lighten up allocate transaction 2013-09-11 15:56:28 -07:00
quota.h ocfs2: implement delayed dropping of last dquot reference 2014-04-03 16:20:54 -07:00
quota_global.c ocfs2: implement delayed dropping of last dquot reference 2014-04-03 16:20:54 -07:00
quota_local.c ocfs2: fix quota file corruption 2014-03-04 07:55:48 -08:00
refcounttree.c ocfs2: remove some redundant casting 2014-06-04 16:53:54 -07:00
refcounttree.h ocfs2: fix NULL pointer dereference in ocfs2_duplicate_clusters_by_page 2013-08-13 17:57:49 -07:00
reservations.c
reservations.h
resize.c ocfs2: do not call brelse() if group_bh is not initialized in ocfs2_group_add() 2013-11-13 12:09:01 +09:00
resize.h
slot_map.c ocfs2: Clean up messages in the fs 2011-07-24 10:34:54 -07:00
slot_map.h
stack_o2cb.c ocfs2: pass ocfs2_cluster_connection to ocfs2_this_node 2014-01-21 16:19:41 -08:00
stack_user.c ocfs2: fix sparse non static symbol warning 2014-01-21 16:19:42 -08:00
stackglue.c ocfs2: remove NULL assignments on static 2014-06-04 16:53:53 -07:00
stackglue.h ocfs2: pass ocfs2_cluster_connection to ocfs2_this_node 2014-01-21 16:19:41 -08:00
suballoc.c ocfs2: iput inode alloc when failed locally 2014-04-03 16:20:57 -07:00
suballoc.h ocfs2: rollback alloc_dinode counts when ocfs2_block_group_set_bits() failed 2014-04-03 16:20:56 -07:00
super.c fs/ocfs2/super.c: use OCFS2_MAX_VOL_LABEL_LEN and strlcpy 2014-06-04 16:53:54 -07:00
super.h treewide: use __printf not __attribute__((format(printf,...))) 2011-10-31 17:30:54 -07:00
symlink.c ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path 2013-02-26 02:46:12 -05:00
symlink.h ocfs: simplify symlink handling 2012-05-29 23:28:40 -04:00
sysfile.c ocfs2: avoid system inode ref confusion by adding mutex lock 2014-04-03 16:20:57 -07:00
sysfile.h
uptodate.c ocfs2: remove NULL assignments on static 2014-06-04 16:53:53 -07:00
uptodate.h
xattr.c ocfs2: pass "new" parameter to ocfs2_init_xattr_bucket 2014-04-03 16:20:57 -07:00
xattr.h ocfs2: use generic posix ACL infrastructure 2014-01-25 23:58:21 -05:00