mmap locking API: use coccinelle to convert mmap_sem rwsem call sites

[linux-block.git] / arch / m68k / kernel / sys_m68k.c

diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c
index 18a4de7d59341e2e8906b5876bb3106f79ae7af6..1c235d8f53f36dbb5669e15be107de1a7abe3920 100644 (file)
--- a/arch/m68k/kernel/sys_m68k.c
+++ b/arch/m68k/kernel/sys_m68k.c
@@ -399,7 +399,7 @@ sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len)
                 * Verify that the specified address region actually belongs
                 * to this process.
                 */
-               down_read(&current->mm->mmap_sem);
+               mmap_read_lock(current->mm);
                vma = find_vma(current->mm, addr);
                if (!vma || addr < vma->vm_start || addr + len > vma->vm_end)
                        goto out_unlock;
@@ -450,7 +450,7 @@ sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len)
            }
        }
 out_unlock:
-       up_read(&current->mm->mmap_sem);
+       mmap_read_unlock(current->mm);
 out:
        return ret;
 }
@@ -472,7 +472,7 @@ sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5,
                spinlock_t *ptl;
                unsigned long mem_value;
 
-               down_read(&mm->mmap_sem);
+               mmap_read_lock(mm);
                pgd = pgd_offset(mm, (unsigned long)mem);
                if (!pgd_present(*pgd))
                        goto bad_access;
@@ -501,11 +501,11 @@ sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5,
                        __put_user(newval, mem);
 
                pte_unmap_unlock(pte, ptl);
-               up_read(&mm->mmap_sem);
+               mmap_read_unlock(mm);
                return mem_value;
 
              bad_access:
-               up_read(&mm->mmap_sem);
+               mmap_read_unlock(mm);
                /* This is not necessarily a bad access, we can get here if
                   a memory we're trying to write to should be copied-on-write.
                   Make the kernel do the necessary page stuff, then re-iterate.
@@ -545,13 +545,13 @@ sys_atomic_cmpxchg_32(unsigned long newval, int oldval, int d3, int d4, int d5,
        struct mm_struct *mm = current->mm;
        unsigned long mem_value;
 
-       down_read(&mm->mmap_sem);
+       mmap_read_lock(mm);
 
        mem_value = *mem;
        if (mem_value == oldval)
                *mem = newval;
 
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
        return mem_value;
 }