struct file *parfilp,
struct inode *parinode)
{
+ const struct cred *cred = current_cred();
int error;
int new_fd;
int permflag;
mntget(parfilp->f_path.mnt);
/* Create file pointer. */
- filp = dentry_open(dentry, parfilp->f_path.mnt, hreq->oflags);
+ filp = dentry_open(dentry, parfilp->f_path.mnt, hreq->oflags, cred);
if (IS_ERR(filp)) {
put_unused_fd(new_fd);
return -XFS_ERROR(-PTR_ERR(filp));
}
+
if (inode->i_mode & S_IFREG) {
/* invisible operation should not change atime */
filp->f_flags |= O_NOATIME;
- filp->f_op = &xfs_invis_file_operations;
+ filp->f_mode |= FMODE_NOCMTIME;
}
fd_install(new_fd, filp);
return 0;
}
-int
-xfs_ioctl(
- xfs_inode_t *ip,
+/*
+ * Note: some of the ioctl's return positive numbers as a
+ * byte count indicating success, such as readlink_by_handle.
+ * So we don't "sign flip" like most other routines. This means
+ * true errors need to be returned as a negative value.
+ */
+long
+xfs_file_ioctl(
struct file *filp,
- int ioflags,
unsigned int cmd,
- void __user *arg)
+ unsigned long p)
{
struct inode *inode = filp->f_path.dentry->d_inode;
- xfs_mount_t *mp = ip->i_mount;
+ struct xfs_inode *ip = XFS_I(inode);
+ struct xfs_mount *mp = ip->i_mount;
+ void __user *arg = (void __user *)p;
+ int ioflags = 0;
int error;
- xfs_itrace_entry(XFS_I(inode));
- switch (cmd) {
+ if (filp->f_mode & FMODE_NOCMTIME)
+ ioflags |= IO_INVIS;
+
+ xfs_itrace_entry(ip);
+ switch (cmd) {
case XFS_IOC_ALLOCSP:
case XFS_IOC_FREESP:
case XFS_IOC_RESVSP:
return -error;
}
- case XFS_IOC_FREEZE:
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
- if (inode->i_sb->s_frozen == SB_UNFROZEN)
- freeze_bdev(inode->i_sb->s_bdev);
- return 0;
-
- case XFS_IOC_THAW:
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- if (inode->i_sb->s_frozen != SB_UNFROZEN)
- thaw_bdev(inode->i_sb->s_bdev, inode->i_sb);
- return 0;
-
case XFS_IOC_GOINGDOWN: {
__uint32_t in;