return;
/*
* After this task has run exit_task_work(),
- * task_work_add() will fail. free_ipc_ns()->
- * shm_destroy() can do this. Fall through to delayed
+ * task_work_add() will fail. Fall through to delayed
* fput to avoid leaking *file.
*/
}
*/
void file_sb_list_add(struct file *file, struct super_block *sb)
{
+ if (likely(!(file->f_mode & FMODE_WRITE)))
+ return;
+ if (!S_ISREG(file_inode(file)->i_mode))
+ return;
lg_local_lock(&files_lglock);
__file_sb_list_add(file, sb);
lg_local_unlock(&files_lglock);
lg_global_lock(&files_lglock);
do_file_list_for_each_entry(sb, f) {
- if (!S_ISREG(file_inode(f)->i_mode))
- continue;
if (!file_count(f))
continue;
if (!(f->f_mode & FMODE_WRITE))