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[GFS2] return conflicts for GETLK 

We weren't returning the correct result when GETLK found a conflict,
which is indicated by userspace passing back a 1.

Signed-off-by: Abhijith Das <adas redhat com>
Signed-off-by: David Teigland <teigland redhat com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
This commit is contained in:
David Teigland 2007-06-08 17:01:40 -05:00 committed by Steven Whitehouse
parent d88101d4d8
commit a7a2ff8a95
1 changed files with 5 additions and 1 deletions
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6
fs/gfs2/locking/dlm/plock.c
View File

@ -254,16 +254,20 @@ int gdlm_plock_get(void *lockspace, struct lm_lockname *name,
}
spin_unlock(&ops_lock);
/* info.rv from userspace is 1 for conflict, 0 for no-conflict,
-ENOENT if there are no locks on the file */
rv = op->info.rv;
fl->fl_type = F_UNLCK;
if (rv == -ENOENT)
rv = 0;
else if (rv == 0 && op->info.pid != fl->fl_pid) {
else if (rv > 0) {
fl->fl_type = (op->info.ex) ? F_WRLCK : F_RDLCK;
fl->fl_pid = op->info.pid;
fl->fl_start = op->info.start;
fl->fl_end = op->info.end;
rv = 0;
}
kfree(op);