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-rw-r--r--fs/block_dev.c10
-rw-r--r--fs/ioctl.c6
2 files changed, 13 insertions, 3 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 1d9c9f3754f8..b48c41bf0f86 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -235,7 +235,10 @@ struct super_block *freeze_bdev(struct block_device *bdev)
sb = get_active_super(bdev);
if (!sb)
goto out;
- error = freeze_super(sb);
+ if (sb->s_op->freeze_super)
+ error = sb->s_op->freeze_super(sb);
+ else
+ error = freeze_super(sb);
if (error) {
deactivate_super(sb);
bdev->bd_fsfreeze_count--;
@@ -272,7 +275,10 @@ int thaw_bdev(struct block_device *bdev, struct super_block *sb)
if (!sb)
goto out;
- error = thaw_super(sb);
+ if (sb->s_op->thaw_super)
+ error = sb->s_op->thaw_super(sb);
+ else
+ error = thaw_super(sb);
if (error) {
bdev->bd_fsfreeze_count++;
mutex_unlock(&bdev->bd_fsfreeze_mutex);
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 8ac3fad36192..77c9a7812542 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -518,10 +518,12 @@ static int ioctl_fsfreeze(struct file *filp)
return -EPERM;
/* If filesystem doesn't support freeze feature, return. */
- if (sb->s_op->freeze_fs == NULL)
+ if (sb->s_op->freeze_fs == NULL && sb->s_op->freeze_super == NULL)
return -EOPNOTSUPP;
/* Freeze */
+ if (sb->s_op->freeze_super)
+ return sb->s_op->freeze_super(sb);
return freeze_super(sb);
}
@@ -533,6 +535,8 @@ static int ioctl_fsthaw(struct file *filp)
return -EPERM;
/* Thaw */
+ if (sb->s_op->thaw_super)
+ return sb->s_op->thaw_super(sb);
return thaw_super(sb);
}