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alistair23-linux/fs/gfs2
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Jan Kara 0f0b9b63e1 gfs2: Make flush bios explicitely sync 
Commit b685d3d65a "block: treat REQ_FUA and REQ_PREFLUSH as
synchronous" removed REQ_SYNC flag from WRITE_{FUA|PREFLUSH|...}
definitions.  generic_make_request_checks() however strips REQ_FUA and
REQ_PREFLUSH flags from a bio when the storage doesn't report volatile
write cache and thus write effectively becomes asynchronous which can
lead to performance regressions

Fix the problem by making sure all bios which are synchronous are
properly marked with REQ_SYNC.

Fixes: b685d3d65a
CC: Steven Whitehouse <swhiteho@redhat.com>
CC: cluster-devel@redhat.com
CC: stable@vger.kernel.org
Acked-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
 		2017-05-24 13:35:20 +02:00
..
Kconfig Finally eradicate CONFIG_HOTPLUG 2013-06-03 14:20:18 -07:00
Makefile GFS2: Rename ops_inode.c to inode.c 2011-05-10 13:12:49 +01:00
acl.c posix_acl: Clear SGID bit when setting file permissions 2016-09-22 10:55:32 +02:00
acl.h gfs2: Switch to generic xattr handlers 2016-05-12 22:28:05 -04:00
aops.c We've got eight GFS2 patches for this merge window: 2017-02-21 07:46:34 -08:00
bmap.c gfs2: replace CURRENT_TIME with current_time 2017-05-08 17:15:15 -07:00
bmap.h GFS2: Clean up journal extent mapping 2014-03-03 13:50:12 +00:00
dentry.c gfs2: Lock holder cleanup 2016-06-27 09:47:09 -05:00
dir.c block,fs: untangle fs.h and blk_types.h 2016-11-01 09:43:26 -06:00
dir.h GFS2: Make rename not save dirent location 2014-10-01 14:06:15 +01:00
export.c gfs2: Get rid of gfs2_ilookup 2016-06-27 09:47:08 -05:00
file.c gfs2: Re-enable fallocate for the rindex 2017-04-05 11:45:26 -04:00
gfs2.h [GFS2] Remove remote lock dropping code 2008-06-27 09:39:44 +01:00
glock.c GFS2: Allow glocks to be unlocked after withdraw 2017-05-05 14:19:28 -05:00
glock.h gfs2: Lock holder cleanup 2016-06-27 09:47:09 -05:00
glops.c GFS2: Get rid of dead code in inode_go_demote_ok 2016-04-05 11:59:18 -04:00
glops.h GFS2: update freeze code to use freeze/thaw_super on all nodes 2014-11-17 10:36:39 +00:00
incore.h gfs2: Don't pack struct lm_lockname 2017-03-16 09:58:49 -04:00
inode.c Revert "GFS2: Wait for iopen glock dequeues" 2017-04-03 09:14:47 -04:00
inode.h GFS2: use BIT() macro 2016-08-02 12:05:27 -05:00
lock_dlm.c sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h> 2017-03-02 08:42:32 +01:00
log.c gfs2: Make flush bios explicitely sync 2017-05-24 13:35:20 +02:00
log.h GFS2: remove transaction glock 2014-05-14 10:04:34 +01:00
lops.c block: better op and flags encoding 2016-10-28 08:48:16 -06:00
lops.h gfs2: use bio op accessors 2016-06-07 13:41:38 -06:00
main.c gfs2: fix to detect failure of register_shrinker 2016-09-21 12:09:40 -05:00
meta_io.c We've got eight GFS2 patches for this merge window: 2017-02-21 07:46:34 -08:00
meta_io.h GFS2: Refactor gfs2_remove_from_journal 2016-05-06 11:27:27 -05:00
ops_fstype.c fs: Remove SB_I_DYNBDI flag 2017-04-20 12:09:55 -06:00
quota.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 20:16:43 -07:00
quota.h GFS2: Make rgrp reservations part of the gfs2_inode structure 2015-12-14 12:16:38 -06:00
recovery.c GFS2: Fix gfs2_replay_incr_blk for multiple journal sizes 2016-07-21 13:02:44 -05:00
recovery.h GFS2: Fix gfs2_replay_incr_blk for multiple journal sizes 2016-07-21 13:02:44 -05:00
rgrp.c GFS2: Non-recursive delete 2017-04-19 08:25:43 -04:00
rgrp.h GFS2: Non-recursive delete 2017-04-19 08:25:43 -04:00
super.c Revert "GFS2: Wait for iopen glock dequeues" 2017-04-03 09:14:47 -04:00
super.h GFS2: update freeze code to use freeze/thaw_super on all nodes 2014-11-17 10:36:39 +00:00
sys.c sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h> 2017-03-02 08:42:31 +01:00
sys.h GFS2: dlm based recovery coordination 2012-01-11 09:23:05 +00:00
trace_gfs2.h gfs2: Make statistics unsigned, suitable for use with do_div() 2015-09-03 13:33:32 -05:00
trans.c GFS2: Reduce contention on gfs2_log_lock 2017-01-30 12:10:25 -05:00
trans.h GFS2: Split gfs2_trans_add_bh() into two 2013-01-29 10:28:04 +00:00
util.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
util.h GFS2: Make rgrp reservations part of the gfs2_inode structure 2015-12-14 12:16:38 -06:00
xattr.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
xattr.h gfs2: Remove gfs2_xattr_acl_chmod 2015-12-06 21:25:17 -05:00