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kernel_optimize_test/fs/gfs2
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Bob Peterson 69511080bd gfs2: Introduce concept of a pending withdraw 
File system withdraws can be delayed when inconsistencies are
discovered when we cannot withdraw immediately, for example, when
critical spin_locks are held. But delaying the withdraw can cause
gfs2 to ignore the error and keep running for a short period of time.
For example, an rgrp glock may be dequeued and demoted while there
are still buffers that haven't been properly revoked, due to io
errors writing to the journal.

This patch introduces a new concept of a pending withdraw, which
means an inconsistency has been discovered and we need to withdraw
at the earliest possible opportunity. In these cases, we aren't
quite withdrawn yet, but we still need to not dequeue glocks and
other critical things. If we dequeue the glocks and the withdraw
results in our journal being replayed, the replay could overwrite
data that's been modified by a different node that acquired the
glock in the meantime.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Reviewed-by: Andreas Gruenbacher <agruenba@redhat.com>
2020-02-10 07:39:47 -06:00
..
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 cleanup: remove unneeded variable ret in gfs2_jdata_writepage 2020-01-08 10:39:57 -06:00
aops.h gfs2: mark stuffed_readpage static 2019-07-03 14:45:18 +02:00
bmap.c GFS2 changes for this merge window: 2019-12-05 13:20:11 -08:00
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 fs/gfs2: remove unused IS_DINODE and IS_LEAF macros 2020-01-21 11:19:38 +01:00
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 2020-02-06 18:49:41 +01:00
gfs2.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398 2019-06-05 17:37:12 +02:00
glock.c gfs2: Remove GFS2_MIN_LVB_SIZE define 2020-01-20 08:46:53 +01:00
glock.h gfs2: Use async glocks for rename 2019-09-04 20:22:17 +02:00
glops.c gfs2: Split gfs2_lm_withdraw into two functions 2020-02-10 07:39:44 -06:00
glops.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398 2019-06-05 17:37:12 +02:00
incore.h gfs2: Introduce concept of a pending withdraw 2020-02-10 07:39:47 -06:00
inode.c gfs2: Avoid access time thrashing in gfs2_inode_lookup 2020-01-15 15:20:07 +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: Introduce concept of a pending withdraw 2020-02-10 07:39:47 -06:00
log.h gfs2: eliminate ssize parameter from gfs2_struct2blk 2020-01-07 18:46:06 +01:00
lops.c gfs2: fix gfs2_find_jhead that returns uninitialized jhead with seq 0 2020-02-06 17:35:23 +01:00
lops.h gfs2: Remove active journal side effect from gfs2_write_log_header 2019-11-12 15:17:53 +01:00
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: Introduce function gfs2_withdrawn 2019-11-14 19:46:18 +01:00
meta_io.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398 2019-06-05 17:37:12 +02:00
ops_fstype.c gfs2: eliminate ssize parameter from gfs2_struct2blk 2020-01-07 18:46:06 +01:00
quota.c gfs2: Introduce function gfs2_withdrawn 2019-11-14 19:46:18 +01:00
quota.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398 2019-06-05 17:37:12 +02:00
recovery.c gfs2: Remove active journal side effect from gfs2_write_log_header 2019-11-12 15:17:53 +01:00
recovery.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398 2019-06-05 17:37:12 +02:00
rgrp.c gfs2: Report errors before withdraw 2020-02-10 07:39:45 -06:00
rgrp.h gfs2: dump fsid when dumping glock problems 2019-06-27 21:27:43 +02:00
super.c gfs2: Abort gfs2_freeze if io error is seen 2019-11-15 17:57:30 +01:00
super.h gfs2: Convert gfs2 to fs_context 2019-09-18 22:47:05 -04:00
sys.c gfs2: Split gfs2_lm_withdraw into two functions 2020-02-10 07:39:44 -06:00
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 Revert "gfs2: eliminate tr_num_revoke_rm" 2020-01-28 15:04:53 +01:00
trans.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 398 2019-06-05 17:37:12 +02:00
util.c gfs2: Introduce concept of a pending withdraw 2020-02-10 07:39:47 -06:00
util.h gfs2: Introduce concept of a pending withdraw 2020-02-10 07:39:47 -06:00
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