exfat: add error check when updating dir-entries

[linux-2.6-microblaze.git] / fs / coredump.c

diff --git a/fs/coredump.c b/fs/coredump.c
index 478a0d8..7237f07 100644 (file)
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -393,7 +393,7 @@ static int zap_threads(struct task_struct *tsk, struct mm_struct *mm,
         *      of ->siglock provides a memory barrier.
         *
         * do_exit:
-        *      The caller holds mm->mmap_sem. This means that the task which
+        *      The caller holds mm->mmap_lock. This means that the task which
         *      uses this mm can't pass exit_mm(), so it can't exit or clear
         *      its ->mm.
         *
@@ -401,7 +401,7 @@ static int zap_threads(struct task_struct *tsk, struct mm_struct *mm,
         *      It does list_replace_rcu(&leader->tasks, &current->tasks),
         *      we must see either old or new leader, this does not matter.
         *      However, it can change p->sighand, so lock_task_sighand(p)
-        *      must be used. Since p->mm != NULL and we hold ->mmap_sem
+        *      must be used. Since p->mm != NULL and we hold ->mmap_lock
         *      it can't fail.
         *
         *      Note also that "g" can be the old leader with ->mm == NULL
@@ -445,12 +445,12 @@ static int coredump_wait(int exit_code, struct core_state *core_state)
        core_state->dumper.task = tsk;
        core_state->dumper.next = NULL;
 
-       if (down_write_killable(&mm->mmap_sem))
+       if (mmap_write_lock_killable(mm))
                return -EINTR;
 
        if (!mm->core_state)
                core_waiters = zap_threads(tsk, mm, core_state, exit_code);
-       up_write(&mm->mmap_sem);
+       mmap_write_unlock(mm);
 
        if (core_waiters > 0) {
                struct core_thread *ptr;