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Bob Peterson 27874115b0 gfs2: read-only mounts should grab the sd_freeze_gl glock 
[ Upstream commit b780cc615ba4795a7ef0e93b19424828a5ad456a ]

Before this patch, only read-write mounts would grab the freeze
glock in read-only mode, as part of gfs2_make_fs_rw. So the freeze
glock was never initialized. That meant requests to freeze, which
request the glock in EX, were granted without any state transition.
That meant you could mount a gfs2 file system, which is currently
frozen on a different cluster node, in read-only mode.

This patch makes read-only mounts lock the freeze glock in SH mode,
which will block for file systems that are frozen on another node.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-22 09:32:53 +02:00
..
acl.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
acl.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
aops.c
gfs2: Minor PAGE_SIZE arithmetic cleanups
2019-09-04 20:22:06 +02:00
aops.h
gfs2: mark stuffed_readpage static
2019-07-03 14:45:18 +02:00
bmap.c
gfs2: Another gfs2_walk_metadata fix
2020-05-20 08:20:17 +02:00
bmap.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
dentry.c
gfs2: untangle the logic in gfs2_drevalidate
2019-09-03 09:42:41 +02:00
dir.c
gfs2: Delete an unnecessary check before brelse()
2019-09-04 20:22:17 +02:00
dir.h
gfs2: Delete an unnecessary check before brelse()
2019-09-04 20:22:17 +02:00
export.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
file.c
gfs2: fix O_SYNC write handling
2020-02-11 04:35:35 -08:00
gfs2.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
glock.c
Revert "gfs2: Don't demote a glock until its revokes are written"
2020-05-27 17:46:44 +02:00
glock.h
gfs2: Use async glocks for rename
2019-09-04 20:22:17 +02:00
glops.c
gfs2: Do log_flush in gfs2_ail_empty_gl even if ail list is empty
2020-04-17 10:50:03 +02:00
glops.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
incore.h
Merge branch 'work.mount3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-09-24 12:33:34 -07:00
inode.c
gfs2_atomic_open(): fix O_EXCL|O_CREAT handling on cold dcache
2020-03-18 07:17:51 +01:00
inode.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
lock_dlm.c
gfs2: Fix recovery slot bumping
2019-09-03 09:42:41 +02:00
log.c
gfs2: fix use-after-free on transaction ail lists
2020-06-24 17:50:40 +02:00
log.h
gfs2: Do log_flush in gfs2_ail_empty_gl even if ail list is empty
2020-04-17 10:50:03 +02:00
lops.c
gfs2: Even more gfs2_find_jhead fixes
2020-06-17 16:40:21 +02:00
lops.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
main.c
SPDX update for 5.2-rc4
2019-06-08 12:52:42 -07:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
meta_io.c
gfs2: Rename SDF_SHUTDOWN to SDF_WITHDRAWN
2019-06-27 21:26:35 +02:00
meta_io.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
ops_fstype.c
gfs2: read-only mounts should grab the sd_freeze_gl glock
2020-07-22 09:32:53 +02:00
quota.c
gfs2: move privileged user check to gfs2_quota_lock_check
2020-06-03 08:21:09 +02:00
quota.h
gfs2: move privileged user check to gfs2_quota_lock_check
2020-06-03 08:21:09 +02:00
recovery.c
gfs2: log which portion of the journal is replayed
2019-06-27 21:03:58 +02:00
recovery.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
rgrp.c
gfs2: Fix possible fs name overflows
2019-09-03 09:42:41 +02:00
rgrp.h
gfs2: dump fsid when dumping glock problems
2019-06-27 21:27:43 +02:00
super.c
Merge branch 'work.mount3' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-09-24 12:33:34 -07:00
super.h
gfs2: Convert gfs2 to fs_context
2019-09-18 22:47:05 -04:00
sys.c
Driver Core and debugfs changes for 5.3-rc1
2019-07-12 12:24:03 -07:00
sys.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
trace_gfs2.h
gfs2: eliminate rs_inum and reduce the size of gfs2 inodes
2018-06-21 07:39:31 -05:00
trans.c
gfs2: fix glock reference problem in gfs2_trans_remove_revoke
2019-12-21 11:04:34 +01:00
trans.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
util.c
gfs2: Fix possible fs name overflows
2019-09-03 09:42:41 +02:00
util.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
xattr.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00
xattr.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398
2019-06-05 17:37:12 +02:00