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1bc333f4cf
linux/fs/gfs2
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Benjamin Marzinski 1bc333f4cf GFS2: don't overrun reserved revokes 
When run during fsync, a gfs2_log_flush could happen between the
time when gfs2_ail_flush checked the number of blocks to revoke,
and when it actually started the transaction to do those revokes.
This occassionally caused it to need more revokes than it reserved,
causing gfs2 to crash.

Instead of just reserving enough revokes to handle the blocks that
currently need them, this patch makes gfs2_ail_flush reserve the
maximum number of revokes it can, without increasing the total number
of reserved log blocks. This patch also passes the number of reserved
revokes to __gfs2_ail_flush() so that it doesn't go over its limit
and cause a crash like we're seeing. Non-fsync calls to __gfs2_ail_flush
will still cause a BUG() necessary revokes are skipped.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2013-08-19 09:33:16 +01:00
..
acl.c gfs2: Use uid_eq and gid_eq where appropriate 2013-02-13 06:15:10 -08:00
acl.h fs: take the ACL checks to common code 2011-07-25 14:30:23 -04:00
aops.c gfs2: use ->invalidatepage() length argument 2013-05-21 23:58:49 -04:00
bmap.c GFS2: Reserve journal space for quota change in do_grow 2013-06-27 18:16:27 +01:00
bmap.h GFS2: New truncate sequence 2010-09-20 11:18:16 +01:00
dentry.c Don't pass inode to ->d_hash() and ->d_compare() 2013-06-29 12:57:36 +04:00
dir.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw 2013-07-02 09:41:18 -07:00
dir.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw 2013-07-02 09:41:18 -07:00
export.c [readdir] constify ->actor 2013-06-29 12:57:05 +04:00
file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-07-03 09:10:19 -07:00
gfs2.h [GFS2] Remove remote lock dropping code 2008-06-27 09:39:44 +01:00
glock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw 2013-04-30 11:27:14 -07:00
glock.h GFS2: Remove gfs2_refresh_inode from inode creation path 2013-04-08 08:40:17 +01:00
glops.c GFS2: don't overrun reserved revokes 2013-08-19 09:33:16 +01:00
glops.h GFS2: Fix AIL flush issue during fsync 2011-10-21 12:39:41 +01:00
incore.h GFS2: Add origin indicator to glock callbacks 2013-04-10 10:26:55 +01:00
inode.c GFS2: Fix typo in gfs2_create_inode() 2013-08-19 09:32:29 +01:00
inode.h GFS2: Add atomic_open support 2013-06-14 11:17:15 +01:00
Kconfig Finally eradicate CONFIG_HOTPLUG 2013-06-03 14:20:18 -07:00
lock_dlm.c GFS2: use memchr_inv 2013-04-04 09:52:50 +01:00
log.c GFS2: aggressively issue revokes in gfs2_log_flush 2013-06-19 09:41:59 +01:00
log.h GFS2: aggressively issue revokes in gfs2_log_flush 2013-06-19 09:41:59 +01:00
lops.c GFS2: aggressively issue revokes in gfs2_log_flush 2013-06-19 09:41:59 +01:00
lops.h GFS2: Eliminate gfs2_rg_lops 2013-06-05 09:50:40 +01:00
main.c GFS2: WQ_NON_REENTRANT is meaningless and going away 2013-08-19 09:33:01 +01:00
Makefile GFS2: Rename ops_inode.c to inode.c 2011-05-10 13:12:49 +01:00
meta_io.c GFS2: aggressively issue revokes in gfs2_log_flush 2013-06-19 09:41:59 +01:00
meta_io.h GFS2: Merge gfs2_attach_bufdata() into trans.c 2013-01-29 10:28:44 +00:00
ops_fstype.c GFS2: fix error propagation in init_threads() 2013-06-06 09:52:29 +01:00
quota.c GFS2: Remove no-op wrapper function 2013-06-05 09:51:23 +01:00
quota.h gfs2: Use kuid_t and kgid_t types where appropriate. 2013-02-13 06:15:09 -08:00
recovery.c GFS2: fail mount if journal recovery fails 2012-01-11 09:24:48 +00:00
recovery.h gfs2: use workqueue instead of slow-work 2010-07-23 13:14:25 +02:00
rgrp.c GFS2: Fix fstrim boundary conditions 2013-06-19 21:41:26 +01:00
rgrp.h GFS2: Remove vestigial parameter ip from function rs_deltree 2013-04-08 08:41:04 +01:00
super.c GFS2: Don't cache iopen glocks 2013-06-03 16:40:22 +01:00
super.h GFS2: Clean up freeze code 2013-01-29 10:29:05 +00:00
sys.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-02-26 20:16:07 -08:00
sys.h GFS2: dlm based recovery coordination 2012-01-11 09:23:05 +00:00
trace_gfs2.h GFS2: Add origin indicator to glock demote tracing 2013-04-10 10:32:05 +01:00
trans.c GFS2: fix warning message 2013-06-19 21:29:19 +01:00
trans.h GFS2: Split gfs2_trans_add_bh() into two 2013-01-29 10:28:04 +00:00
util.c GFS2: Reinstate withdraw ack system 2013-02-13 12:21:40 +00:00
util.h GFS2: Fix error handling when reading an invalid block from the journal 2012-06-06 11:27:49 +01:00
xattr.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2013-02-25 16:00:49 -08:00
xattr.h sanitize xattr handler prototypes 2009-12-16 12:16:49 -05:00