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authorSteven Whitehouse <swhiteho@redhat.com>2006-09-09 17:07:05 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-09-09 17:07:05 -0400
commita5e08a9ef50e8b6feb099f8e4b253df04f5ec9db (patch)
tree9d35e98597a51e39435fcc67f172f1ec14c6dbe4 /fs/gfs2
parent087efdd391f47305dc251a7b00dcc5d69e8c636a (diff)
downloadop-kernel-dev-a5e08a9ef50e8b6feb099f8e4b253df04f5ec9db.zip
op-kernel-dev-a5e08a9ef50e8b6feb099f8e4b253df04f5ec9db.tar.gz
[GFS2] Add consts to glock sorting function
Add back the consts which were casted away in the glock sorting function. Also add early exit code. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/glock.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 8abfefe..e941183 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -1494,26 +1494,20 @@ int gfs2_glock_nq_num(struct gfs2_sbd *sdp, u64 number,
static int glock_compare(const void *arg_a, const void *arg_b)
{
- struct gfs2_holder *gh_a = *(struct gfs2_holder **)arg_a;
- struct gfs2_holder *gh_b = *(struct gfs2_holder **)arg_b;
- struct lm_lockname *a = &gh_a->gh_gl->gl_name;
- struct lm_lockname *b = &gh_b->gh_gl->gl_name;
- int ret = 0;
+ const struct gfs2_holder *gh_a = *(const struct gfs2_holder **)arg_a;
+ const struct gfs2_holder *gh_b = *(const struct gfs2_holder **)arg_b;
+ const struct lm_lockname *a = &gh_a->gh_gl->gl_name;
+ const struct lm_lockname *b = &gh_b->gh_gl->gl_name;
if (a->ln_number > b->ln_number)
- ret = 1;
- else if (a->ln_number < b->ln_number)
- ret = -1;
- else {
- if (gh_a->gh_state == LM_ST_SHARED &&
- gh_b->gh_state == LM_ST_EXCLUSIVE)
- ret = 1;
- else if (!(gh_a->gh_flags & GL_LOCAL_EXCL) &&
- (gh_b->gh_flags & GL_LOCAL_EXCL))
- ret = 1;
- }
-
- return ret;
+ return 1;
+ if (a->ln_number < b->ln_number)
+ return -1;
+ if (gh_a->gh_state == LM_ST_SHARED && gh_b->gh_state == LM_ST_EXCLUSIVE)
+ return 1;
+ if (!(gh_a->gh_flags & GL_LOCAL_EXCL) && (gh_b->gh_flags & GL_LOCAL_EXCL))
+ return 1;
+ return 0;
}
/**
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