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Bob Peterson 83fa416336 gfs2: use i_lock spin_lock for inode qadata 
[ Upstream commit 5fcff61eea ]

Before this patch, functions gfs2_qa_get and _put used the i_rw_mutex to
prevent simultaneous access to its i_qadata. But i_rw_mutex is now used
for many other things, including iomap_begin and end, which causes a
conflict according to lockdep. We cannot just remove the lock since
simultaneous opens (gfs2_open -> gfs2_open_common -> gfs2_qa_get) can
then stomp on each others values for i_qadata.

This patch solves the conflict by using the i_lock spin_lock in the inode
to prevent simultaneous access.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2022-06-09 10:25:31 +02:00
..
Kconfig
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Makefile
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acl.c vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
acl.h vfs: add rcu argument to ->get_acl() callback 2021-08-18 22:08:24 +02:00
aops.c gfs2: Don't release and reacquire local statfs bh 2021-08-20 09:03:46 -05:00
aops.h
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bmap.c gfs2: Fix filesystem block deallocation for short writes 2022-05-18 10:28:16 +02:00
bmap.h gfs2: Clean up gfs2_unstuff_dinode 2021-06-29 10:56:51 +02:00
dentry.c gfs2: untangle the logic in gfs2_drevalidate 2019-09-03 09:42:41 +02:00
dir.c gfs2: Clean up gfs2_unstuff_dinode 2021-06-29 10:56:51 +02:00
dir.h gfs2: Delete an unnecessary check before brelse() 2019-09-04 20:22:17 +02:00
export.c gfs2: Minor gfs2_lookup_by_inum cleanup 2020-06-05 20:19:21 +02:00
file.c gfs2: Disable page faults during lockless buffered reads 2022-05-25 09:58:59 +02:00
gfs2.h
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glock.c gfs2: cancel timed-out glock requests 2022-05-25 09:58:58 +02:00
glock.h gfs2: fix GL_SKIP node_scope problems 2021-10-25 08:42:19 +02:00
glops.c gfs2: dump inode object for iopen glocks 2022-01-11 16:52:44 +01:00
glops.h gfs2: Split up gfs2_meta_sync into inode and rgrp versions 2020-10-29 22:16:46 +01:00
incore.h gfs2: remove RDF_UPTODATE flag 2021-10-25 08:42:19 +02:00
inode.c gfs2: Switch lock order of inode and iopen glock 2022-05-25 09:58:58 +02:00
inode.h Changes in gfs2: 2021-04-29 10:33:35 -07:00
lock_dlm.c gfs2: Don't call dlm after protocol is unmounted 2021-08-20 09:03:46 -05:00
log.c gfs2: tiny cleanup in gfs2_log_reserve 2021-08-19 12:31:17 -05:00
log.h gfs2: Clean up revokes on normal withdraws 2021-05-20 13:31:37 +02:00
lops.c gfs2: be more verbose replaying invalid rgrp blocks 2021-08-19 12:31:17 -05:00
lops.h gfs2: Clean up revokes on normal withdraws 2021-05-20 13:31:37 +02:00
main.c gfs2: amend SLAB_RECLAIM_ACCOUNT on gfs2 related slab cache 2021-01-22 12:19:17 -05:00
meta_io.c gfs2: don't stop reads while withdraw in progress 2021-08-20 09:03:46 -05:00
meta_io.h gfs2: Turn gfs2_meta_indirect_buffer into gfs2_meta_buffer 2021-04-03 21:38:12 +02:00
ops_fstype.c gfs2: Mark journal inodes as "don't cache" 2021-08-20 09:03:46 -05:00
quota.c gfs2: use i_lock spin_lock for inode qadata 2022-06-09 10:25:31 +02:00
quota.h gfs2: move privileged user check to gfs2_quota_lock_check 2020-05-08 18:47:58 +02:00
recovery.c gfs2: Fix fall-through warnings for Clang 2021-04-20 22:38:21 +02:00
recovery.h
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rgrp.c gfs2: assign rgrp glock before compute_bitstructs 2022-04-27 14:40:54 +02:00
rgrp.h gfs2: gfs2_setattr_size error path fix 2022-04-08 13:58:55 +02:00
super.c gfs2: gfs2_setattr_size error path fix 2022-04-08 13:58:55 +02:00
super.h gfs2: Don't release and reacquire local statfs bh 2021-08-20 09:03:46 -05:00
sys.c kobject: remove kset from struct kset_uevent_ops callbacks 2021-12-28 11:26:18 +01:00
sys.h
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trace_gfs2.h gfs2: Remove 'first' trace_gfs2_promote argument 2021-10-25 08:42:19 +02:00
trans.c gfs2: fix use-after-free in trans_drain 2021-03-07 17:04:55 +01:00
trans.h Merge branches 'rgrp-glock-sharing' and 'gfs2-revoke' from https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git 2021-02-23 18:54:22 +01:00
util.c gfs2: dump glocks from gfs2_consist_OBJ_i 2021-10-25 08:42:18 +02:00
util.h gfs2: don't stop reads while withdraw in progress 2021-08-20 09:03:46 -05:00
xattr.c gfs2: Fix a number of kernel-doc warnings 2021-04-09 22:14:13 +02:00
xattr.h
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