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[GFS2] Add consts to glock sorting function

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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>
This commit is contained in:
Steven Whitehouse 2006-09-09 17:07:05 -04:00
parent 087efdd391
commit a5e08a9ef5
1 changed files with 12 additions and 18 deletions
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30
fs/gfs2/glock.c
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@ -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;
}
/**