[PATCH] rcu file: use atomic primitives
[powerpc.git] / fs / file_table.c
index c3a5e2f..6142250 100644 (file)
@@ -117,7 +117,7 @@ EXPORT_SYMBOL(get_empty_filp);
 
 void fastcall fput(struct file *file)
 {
-       if (rcuref_dec_and_test(&file->f_count))
+       if (atomic_dec_and_test(&file->f_count))
                __fput(file);
 }
 
@@ -166,7 +166,7 @@ struct file fastcall *fget(unsigned int fd)
        rcu_read_lock();
        file = fcheck_files(files, fd);
        if (file) {
-               if (!rcuref_inc_lf(&file->f_count)) {
+               if (!atomic_inc_not_zero(&file->f_count)) {
                        /* File object ref couldn't be taken */
                        rcu_read_unlock();
                        return NULL;
@@ -198,7 +198,7 @@ struct file fastcall *fget_light(unsigned int fd, int *fput_needed)
                rcu_read_lock();
                file = fcheck_files(files, fd);
                if (file) {
-                       if (rcuref_inc_lf(&file->f_count))
+                       if (atomic_inc_not_zero(&file->f_count))
                                *fput_needed = 1;
                        else
                                /* Didn't get the reference, someone's freed */
@@ -213,7 +213,7 @@ struct file fastcall *fget_light(unsigned int fd, int *fput_needed)
 
 void put_filp(struct file *file)
 {
-       if (rcuref_dec_and_test(&file->f_count)) {
+       if (atomic_dec_and_test(&file->f_count)) {
                security_file_free(file);
                file_kill(file);
                file_free(file);