From b8547856f9c158ff70effbcfd15969c908fbe1b3 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Thu, 7 Sep 2006 13:12:27 -0400 Subject: [GFS2] Add gfs2 superblock to glock hash function This is another patch preparing for sharing of the glock hash table between different gfs2 mounts. Signed-off-by: Steven Whitehouse --- fs/gfs2/glock.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'fs/gfs2') diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index f2edc8b76121..00769674f2ea 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -83,12 +83,14 @@ static inline int relaxed_state_ok(unsigned int actual, unsigned requested, * Returns: The number of the corresponding hash bucket */ -static unsigned int gl_hash(const struct lm_lockname *name) +static unsigned int gl_hash(const struct gfs2_sbd *sdp, + const struct lm_lockname *name) { unsigned int h; h = jhash(&name->ln_number, sizeof(u64), 0); h = jhash(&name->ln_type, sizeof(unsigned int), h); + h = jhash(&sdp, sizeof(struct gfs2_sbd *), h); h &= GFS2_GL_HASH_MASK; return h; @@ -232,7 +234,7 @@ static struct gfs2_glock *search_bucket(struct gfs2_gl_hash_bucket *bucket, static struct gfs2_glock *gfs2_glock_find(struct gfs2_sbd *sdp, const struct lm_lockname *name) { - struct gfs2_gl_hash_bucket *bucket = &sdp->sd_gl_hash[gl_hash(name)]; + struct gfs2_gl_hash_bucket *bucket = &sdp->sd_gl_hash[gl_hash(sdp, name)]; struct gfs2_glock *gl; read_lock(&bucket->hb_lock); @@ -266,7 +268,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number, name.ln_number = number; name.ln_type = glops->go_type; - bucket = &sdp->sd_gl_hash[gl_hash(&name)]; + bucket = &sdp->sd_gl_hash[gl_hash(sdp, &name)]; read_lock(&bucket->hb_lock); gl = search_bucket(bucket, sdp, &name); -- cgit v1.2.2