locks: allow {vfs,posix}_lock_file to return conflicting lock
[linux-2.6-block.git] / fs / nfsd / nfs4state.c
index e42c7a0eb6facfd28fbf5acc16d903ebbda776b3..03b0578781cb60a2c0a48d2d3c98f14d117dc121 100644 (file)
@@ -2657,6 +2657,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
        struct file_lock conflock;
        __be32 status = 0;
        unsigned int strhashval;
+       unsigned int cmd;
        int err;
 
        dprintk("NFSD: nfsd4_lock: start=%Ld length=%Ld\n",
@@ -2739,10 +2740,12 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
                case NFS4_READ_LT:
                case NFS4_READW_LT:
                        file_lock.fl_type = F_RDLCK;
+                       cmd = F_SETLK;
                break;
                case NFS4_WRITE_LT:
                case NFS4_WRITEW_LT:
                        file_lock.fl_type = F_WRLCK;
+                       cmd = F_SETLK;
                break;
                default:
                        status = nfserr_inval;
@@ -2769,9 +2772,8 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
 
        /* XXX?: Just to divert the locks_release_private at the start of
         * locks_copy_lock: */
-       conflock.fl_ops = NULL;
-       conflock.fl_lmops = NULL;
-       err = posix_lock_file_conf(filp, &file_lock, &conflock);
+       locks_init_lock(&conflock);
+       err = posix_lock_file(filp, &file_lock, &conflock);
        switch (-err) {
        case 0: /* success! */
                update_stateid(&lock_stp->st_stateid);
@@ -2933,7 +2935,7 @@ nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
        /*
        *  Try to unlock the file in the VFS.
        */
-       err = posix_lock_file(filp, &file_lock);
+       err = posix_lock_file(filp, &file_lock, NULL);
        if (err) {
                dprintk("NFSD: nfs4_locku: posix_lock_file failed!\n");
                goto out_nfserr;