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Diffstat (limited to 'fs/ocfs2/ioctl.c')
-rw-r--r--fs/ocfs2/ioctl.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index d96f7f81d8d..f20edcbfe70 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -928,7 +928,12 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (get_user(new_clusters, (int __user *)arg))
return -EFAULT;
- return ocfs2_group_extend(inode, new_clusters);
+ status = mnt_want_write_file(filp);
+ if (status)
+ return status;
+ status = ocfs2_group_extend(inode, new_clusters);
+ mnt_drop_write_file(filp);
+ return status;
case OCFS2_IOC_GROUP_ADD:
case OCFS2_IOC_GROUP_ADD64:
if (!capable(CAP_SYS_RESOURCE))
@@ -937,7 +942,12 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
if (copy_from_user(&input, (int __user *) arg, sizeof(input)))
return -EFAULT;
- return ocfs2_group_add(inode, &input);
+ status = mnt_want_write_file(filp);
+ if (status)
+ return status;
+ status = ocfs2_group_add(inode, &input);
+ mnt_drop_write_file(filp);
+ return status;
case OCFS2_IOC_REFLINK:
if (copy_from_user(&args, argp, sizeof(args)))
return -EFAULT;