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authorSteven Whitehouse <swhiteho@redhat.com>2006-09-07 14:40:21 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-09-07 14:40:21 -0400
commit85d1da67f7e1239afa3494d05be87da6fc3ecada (patch)
tree01508570249764d8b0e38183e1ea7e9666b34b78 /fs/gfs2/incore.h
parentb8547856f9c158ff70effbcfd15969c908fbe1b3 (diff)
downloadop-kernel-dev-85d1da67f7e1239afa3494d05be87da6fc3ecada.zip
op-kernel-dev-85d1da67f7e1239afa3494d05be87da6fc3ecada.tar.gz
[GFS2] Move glock hash table out of superblock
There are several reasons why we want to do this: - Firstly its large and thus we'll scale better with multiple GFS2 fs mounted at the same time - Secondly its easier to scale its size as required (thats a plan for later patches) - Thirdly, we can use kzalloc rather than vmalloc when allocating the superblock (its now only 4888 bytes) - Fourth its all part of my plan to eventually be able to use RCU with the glock hash. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/incore.h')
-rw-r--r--fs/gfs2/incore.h12
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 225924c..6184960 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -30,7 +30,6 @@ struct gfs2_quota_data;
struct gfs2_trans;
struct gfs2_ail;
struct gfs2_jdesc;
-struct gfs2_gl_hash_bucket;
struct gfs2_sbd;
typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret);
@@ -107,6 +106,11 @@ struct gfs2_bufdata {
struct list_head bd_ail_gl_list;
};
+struct gfs2_gl_hash_bucket {
+ rwlock_t hb_lock;
+ struct list_head hb_list;
+};
+
struct gfs2_glock_operations {
void (*go_xmote_th) (struct gfs2_glock * gl, unsigned int state,
int flags);
@@ -442,11 +446,6 @@ struct gfs2_tune {
unsigned int gt_statfs_slow;
};
-struct gfs2_gl_hash_bucket {
- rwlock_t hb_lock;
- struct list_head hb_list;
-};
-
enum {
SDF_JOURNAL_CHECKED = 0,
SDF_JOURNAL_LIVE = 1,
@@ -489,7 +488,6 @@ struct gfs2_sbd {
/* Lock Stuff */
struct lm_lockstruct sd_lockstruct;
- struct gfs2_gl_hash_bucket sd_gl_hash[GFS2_GL_HASH_SIZE];
struct list_head sd_reclaim_list;
spinlock_t sd_reclaim_lock;
wait_queue_head_t sd_reclaim_wq;
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