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OpenCloudOS-Kernel/fs/gfs2
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David Teigland fb6791d100 GFS2: skip dlm_unlock calls in unmount 
When unmounting, gfs2 does a full dlm_unlock operation on every
cached lock.  This can create a very large amount of work and can
take a long time to complete.  However, the vast majority of these
dlm unlock operations are unnecessary because after all the unlocks
are done, gfs2 leaves the dlm lockspace, which automatically clears
the locks of the leaving node, without unlocking each one individually.
So, gfs2 can skip explicit dlm unlocks, and use dlm_release_lockspace to
remove the locks implicitly.  The one exception is when the lock's lvb is
being used.  In this case, dlm_unlock is called because it may update the
lvb of the resource.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
 		2012-11-14 09:37:04 +00:00
..
Kconfig GFS2: use depends instead of select in kconfig 2012-03-26 09:18:02 +01:00
Makefile GFS2: Rename ops_inode.c to inode.c 2011-05-10 13:12:49 +01:00
acl.c userns: Pass a userns parameter into posix_acl_to_xattr and posix_acl_from_xattr 2012-09-18 01:01:35 -07:00
acl.h fs: take the ACL checks to common code 2011-07-25 14:30:23 -04:00
aops.c GFS2: Add Orlov allocator 2012-11-07 13:33:17 +00:00
bmap.c GFS2: Fix truncation of journaled data files 2012-11-13 09:50:28 +00:00
bmap.h GFS2: New truncate sequence 2010-09-20 11:18:16 +01:00
dentry.c stop passing nameidata * to ->d_revalidate() 2012-07-14 16:34:14 +04:00
dir.c GFS2: Use dirty_inode in gfs2_dir_add 2012-11-13 09:54:54 +00:00
dir.h GFS2: Add readahead to sequential directory traversal 2011-11-08 09:52:12 +00:00
export.c tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking 2012-10-09 23:33:55 -04:00
file.c GFS2: Add Orlov allocator 2012-11-07 13:33:17 +00:00
gfs2.h [GFS2] Remove remote lock dropping code 2008-06-27 09:39:44 +01:00
glock.c GFS2: skip dlm_unlock calls in unmount 2012-11-14 09:37:04 +00:00
glock.h GFS2: Review bug traps in glops.c 2012-11-07 13:31:07 +00:00
glops.c GFS2: Rename glops go_xmote_th to go_sync 2012-11-07 13:31:57 +00:00
glops.h GFS2: Fix AIL flush issue during fsync 2011-10-21 12:39:41 +01:00
incore.h GFS2: skip dlm_unlock calls in unmount 2012-11-14 09:37:04 +00:00
inode.c GFS2: Eliminate redundant buffer_head manipulation in gfs2_unlink_inode 2012-11-13 09:55:26 +00:00
inode.h GFS2: Remove unused argument from gfs2_internal_read 2012-04-24 16:44:37 +01:00
lock_dlm.c GFS2: skip dlm_unlock calls in unmount 2012-11-14 09:37:04 +00:00
log.c GFS2: eliminate log elements and simplify 2012-05-02 09:14:36 +01:00
log.h GFS2: Clean up log write code path 2012-04-24 16:44:34 +01:00
lops.c GFS2: Test bufdata with buffer locked and gfs2_log_lock held 2012-11-07 09:43:03 +00:00
lops.h GFS2: eliminate log elements and simplify 2012-05-02 09:14:36 +01:00
main.c GFS2: Fold quota data into the reservations struct 2012-06-06 11:20:22 +01:00
meta_io.c gfs2: nuke pdflush from comments 2012-08-04 12:15:40 +04:00
meta_io.h GFS2: Eliminate unused "new" parameter to gfs2_meta_indirect_buffer 2012-05-11 10:19:23 +01:00
ops_fstype.c GFS2: Speed up gfs2_rbm_from_block 2012-11-07 13:31:36 +00:00
quota.c GFS2: Add Orlov allocator 2012-11-07 13:33:17 +00:00
quota.h quota: Split dquot_quota_sync() to writeback and cache flushing part 2012-07-22 23:58:19 +04:00
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 one RG corner case 2012-11-13 14:50:35 +00:00
rgrp.h GFS2: Add Orlov allocator 2012-11-07 13:33:17 +00:00
super.c GFS2: Don't call file_accessed() with a shared glock 2012-11-07 09:42:49 +00:00
super.h gfs: constify xattr_handler 2010-05-21 18:31:20 -04:00
sys.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw 2012-07-24 17:57:05 -07:00
sys.h GFS2: dlm based recovery coordination 2012-01-11 09:23:05 +00:00
trace_gfs2.h GFS2: Improve block reservation tracing 2012-09-24 10:47:20 +01:00
trans.c GFS2: Test bufdata with buffer locked and gfs2_log_lock held 2012-11-07 09:43:03 +00:00
trans.h GFS2: Remove rs_requested field from reservations 2012-09-24 10:46:54 +01:00
util.c GFS2: Clean up log write code path 2012-04-24 16:44:34 +01:00
util.h GFS2: Fix error handling when reading an invalid block from the journal 2012-06-06 11:27:49 +01:00
xattr.c GFS2: Add Orlov allocator 2012-11-07 13:33:17 +00:00
xattr.h sanitize xattr handler prototypes 2009-12-16 12:16:49 -05:00