ovl: force read-only sb on failure to create index dir

[linux-2.6-microblaze.git] / lib / test_hmm.c

diff --git a/lib/test_hmm.c b/lib/test_hmm.c
index 5c1858e..2852828 100644 (file)
--- a/lib/test_hmm.c
+++ b/lib/test_hmm.c
@@ -245,9 +245,9 @@ static int dmirror_range_fault(struct dmirror *dmirror,
                }
 
                range->notifier_seq = mmu_interval_read_begin(range->notifier);
-               down_read(&mm->mmap_sem);
+               mmap_read_lock(mm);
                ret = hmm_range_fault(range);
-               up_read(&mm->mmap_sem);
+               mmap_read_unlock(mm);
                if (ret) {
                        if (ret == -EBUSY)
                                continue;
@@ -686,7 +686,7 @@ static int dmirror_migrate(struct dmirror *dmirror,
        if (!mmget_not_zero(mm))
                return -EINVAL;
 
-       down_read(&mm->mmap_sem);
+       mmap_read_lock(mm);
        for (addr = start; addr < end; addr = next) {
                vma = find_vma(mm, addr);
                if (!vma || addr < vma->vm_start ||
@@ -713,7 +713,7 @@ static int dmirror_migrate(struct dmirror *dmirror,
                dmirror_migrate_finalize_and_map(&args, dmirror);
                migrate_vma_finalize(&args);
        }
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
        mmput(mm);
 
        /* Return the migrated data for verification. */
@@ -733,7 +733,7 @@ static int dmirror_migrate(struct dmirror *dmirror,
        return ret;
 
 out:
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
        mmput(mm);
        return ret;
 }
@@ -825,9 +825,9 @@ static int dmirror_range_snapshot(struct dmirror *dmirror,
 
                range->notifier_seq = mmu_interval_read_begin(range->notifier);
 
-               down_read(&mm->mmap_sem);
+               mmap_read_lock(mm);
                ret = hmm_range_fault(range);
-               up_read(&mm->mmap_sem);
+               mmap_read_unlock(mm);
                if (ret) {
                        if (ret == -EBUSY)
                                continue;