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Diffstat (limited to 'fs/ioctl.c')
-rw-r--r--fs/ioctl.c6
1 files changed, 5 insertions, 1 deletions
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);
}