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authorDavid Teigland <teigland@redhat.com>2012-11-14 13:46:53 -0500
committerSteven Whitehouse <swhiteho@redhat.com>2012-11-15 10:16:59 +0000
commitdba2d70c5dc520fdb569d1fd8dbd45c0e330253e (patch)
tree35cee899f98a6d863d48ecc2dc891b9dbb38b27e /fs/gfs2/incore.h
parentfb6791d100d1bba20b5cdbc4912e1f7086ec60f8 (diff)
downloadop-kernel-dev-dba2d70c5dc520fdb569d1fd8dbd45c0e330253e.zip
op-kernel-dev-dba2d70c5dc520fdb569d1fd8dbd45c0e330253e.tar.gz
GFS2: only use lvb on glocks that need it
Save the effort of allocating, reading and writing the lvb for most glocks that do not use it. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/incore.h')
-rw-r--r--fs/gfs2/incore.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index a35ef5c..bd577fc 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -216,6 +216,7 @@ struct gfs2_glock_operations {
const int go_type;
const unsigned long go_flags;
#define GLOF_ASPACE 1
+#define GLOF_LVB 2
};
enum {
@@ -321,7 +322,7 @@ struct gfs2_glock {
ktime_t gl_dstamp;
struct gfs2_lkstats gl_stats;
struct dlm_lksb gl_lksb;
- char gl_lvb[32];
+ char *gl_lvb;
unsigned long gl_tchange;
void *gl_object;
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