linux/fs/dlm
Alexander Aring 6644925abf dlm: do not use ref counts for rsb in the toss state
In the past we had problems when an rsb had a reference counter greater
than one while in the toss state.  An rsb in the toss state is not
actively used for locking, and should not have any other references
apart from the single ref keeping it on the rsb hash.  Shift to freeing
rsb's directly rather than using kref_put to free them, since the ref
counting is not meant to be used in this state.  Add warnings if ref
counting is seen while an rsb is in the toss state.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
2024-04-16 14:34:39 -05:00
..
ast.c dlm: use spin_lock_bh for message processing 2024-04-09 11:45:23 -05:00
ast.h dlm: remove callback reference counting 2024-04-01 13:31:13 -05:00
config.c dlm: switch to use rhashtable for rsbs 2024-04-16 14:34:39 -05:00
config.h dlm: switch to use rhashtable for rsbs 2024-04-16 14:34:39 -05:00
debug_fs.c dlm: add rsb lists for iteration 2024-04-16 14:33:25 -05:00
dir.c dlm: switch to use rhashtable for rsbs 2024-04-16 14:34:39 -05:00
dir.h dlm: move rsb root_list to ls_recover() stack 2024-04-09 11:44:49 -05:00
dlm_internal.h dlm: switch to use rhashtable for rsbs 2024-04-16 14:34:39 -05:00
Kconfig fs: dlm: remove deprecated code parts 2023-03-06 15:49:07 -06:00
lock.c dlm: do not use ref counts for rsb in the toss state 2024-04-16 14:34:39 -05:00
lock.h dlm: do not use ref counts for rsb in the toss state 2024-04-16 14:34:39 -05:00
lockspace.c dlm: switch to use rhashtable for rsbs 2024-04-16 14:34:39 -05:00
lockspace.h fs: dlm: revert check required context while close 2023-06-14 10:17:33 -05:00
lowcomms.c dlm: do message processing in softirq context 2024-04-09 11:47:51 -05:00
lowcomms.h dlm: remove allocation parameter in msg allocation 2024-04-09 09:58:14 -05:00
lvb_table.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 193 2019-05-30 11:29:21 -07:00
main.c fs: dlm: unregister memory at the very last 2023-06-14 10:17:33 -05:00
Makefile fs: dlm: remove deprecated code parts 2023-03-06 15:49:07 -06:00
member.c dlm: use spin_lock_bh for message processing 2024-04-09 11:45:23 -05:00
member.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
memory.c dlm: switch to GFP_ATOMIC in dlm allocations 2024-04-09 11:43:49 -05:00
memory.h dlm: remove allocation parameter in msg allocation 2024-04-09 09:58:14 -05:00
midcomms.c dlm: use spin_lock_bh for message processing 2024-04-09 11:45:23 -05:00
midcomms.h dlm: remove allocation parameter in msg allocation 2024-04-09 09:58:14 -05:00
plock.c dlm: adapt to breakup of struct file_lock 2024-02-05 13:11:42 +01:00
rcom.c dlm: use spin_lock_bh for message processing 2024-04-09 11:45:23 -05:00
rcom.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
recover.c dlm: do not use ref counts for rsb in the toss state 2024-04-16 14:34:39 -05:00
recover.h dlm: move rsb root_list to ls_recover() stack 2024-04-09 11:44:49 -05:00
recoverd.c dlm: add rsb lists for iteration 2024-04-16 14:33:25 -05:00
recoverd.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 193 2019-05-30 11:29:21 -07:00
requestqueue.c dlm: use spin_lock_bh for message processing 2024-04-09 11:45:23 -05:00
requestqueue.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
user.c dlm: use spin_lock_bh for message processing 2024-04-09 11:45:23 -05:00
user.h fs: dlm: move dlm_purge_lkb_callbacks to user module 2023-06-14 10:17:33 -05:00
util.c dlm: use __le types for dlm messages 2022-04-06 14:02:37 -05:00
util.h dlm: use __le types for dlm messages 2022-04-06 14:02:37 -05:00