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[GFS2] Add superblock into key for glock lookups 

This adds the superblock as a key for glock lookups. Since the glocks
are already stored in a per-superblock table, this has no effect at
the moment. Later on this will change though.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
Steven Whitehouse 2006-08-30 12:50:28 -04:00
parent d6a5372768
commit 899be4d3b7
1 changed files with 6 additions and 3 deletions
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9
fs/gfs2/glock.c
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@ -200,6 +200,7 @@ static inline int queue_empty(struct gfs2_glock *gl, struct list_head *head)
*/
static struct gfs2_glock *search_bucket(struct gfs2_gl_hash_bucket *bucket,
const struct gfs2_sbd *sdp,
const struct lm_lockname *name)
{
struct gfs2_glock *gl;
@ -209,6 +210,8 @@ static struct gfs2_glock *search_bucket(struct gfs2_gl_hash_bucket *bucket,
continue;
if (!lm_name_equal(&gl->gl_name, name))
continue;
if (gl->gl_sbd != sdp)
continue;
kref_get(&gl->gl_ref);
@ -233,7 +236,7 @@ static struct gfs2_glock *gfs2_glock_find(struct gfs2_sbd *sdp,
struct gfs2_glock *gl;
read_lock(&bucket->hb_lock);
gl = search_bucket(bucket, name);
gl = search_bucket(bucket, sdp, name);
read_unlock(&bucket->hb_lock);
return gl;
@ -266,7 +269,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, uint64_t number,
bucket = &sdp->sd_gl_hash[gl_hash(&name)];
read_lock(&bucket->hb_lock);
gl = search_bucket(bucket, &name);
gl = search_bucket(bucket, sdp, &name);
read_unlock(&bucket->hb_lock);
if (gl || !create) {
@ -311,7 +314,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, uint64_t number,
goto fail_aspace;
write_lock(&bucket->hb_lock);
tmp = search_bucket(bucket, &name);
tmp = search_bucket(bucket, sdp, &name);
if (tmp) {
write_unlock(&bucket->hb_lock);
glock_free(gl);