From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?=
 <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 include/linux/mount.h | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 include/linux/mount.h

(limited to 'include/linux/mount.h')

diff --git a/include/linux/mount.h b/include/linux/mount.h
new file mode 100644
index 000000000..f822c3c11
--- /dev/null
+++ b/include/linux/mount.h
@@ -0,0 +1,98 @@
+/*
+ *
+ * Definitions for mount interface. This describes the in the kernel build 
+ * linkedlist with mounted filesystems.
+ *
+ * Author:  Marco van Wieringen <mvw@planets.elm.net>
+ *
+ */
+#ifndef _LINUX_MOUNT_H
+#define _LINUX_MOUNT_H
+
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/nodemask.h>
+#include <linux/spinlock.h>
+#include <linux/seqlock.h>
+#include <linux/atomic.h>
+
+struct super_block;
+struct vfsmount;
+struct dentry;
+struct mnt_namespace;
+
+#define MNT_NOSUID	0x01
+#define MNT_NODEV	0x02
+#define MNT_NOEXEC	0x04
+#define MNT_NOATIME	0x08
+#define MNT_NODIRATIME	0x10
+#define MNT_RELATIME	0x20
+#define MNT_READONLY	0x40	/* does the user want this to be r/o? */
+
+#define MNT_SHRINKABLE	0x100
+#define MNT_WRITE_HOLD	0x200
+
+#define MNT_SHARED	0x1000	/* if the vfsmount is a shared mount */
+#define MNT_UNBINDABLE	0x2000	/* if the vfsmount is a unbindable mount */
+/*
+ * MNT_SHARED_MASK is the set of flags that should be cleared when a
+ * mount becomes shared.  Currently, this is only the flag that says a
+ * mount cannot be bind mounted, since this is how we create a mount
+ * that shares events with another mount.  If you add a new MNT_*
+ * flag, consider how it interacts with shared mounts.
+ */
+#define MNT_SHARED_MASK	(MNT_UNBINDABLE)
+#define MNT_USER_SETTABLE_MASK  (MNT_NOSUID | MNT_NODEV | MNT_NOEXEC \
+				 | MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME \
+				 | MNT_READONLY)
+#define MNT_ATIME_MASK (MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME )
+
+#define MNT_INTERNAL_FLAGS (MNT_SHARED | MNT_WRITE_HOLD | MNT_INTERNAL | \
+			    MNT_DOOMED | MNT_SYNC_UMOUNT | MNT_MARKED)
+
+#define MNT_INTERNAL	0x4000
+
+#define MNT_LOCK_ATIME		0x040000
+#define MNT_LOCK_NOEXEC		0x080000
+#define MNT_LOCK_NOSUID		0x100000
+#define MNT_LOCK_NODEV		0x200000
+#define MNT_LOCK_READONLY	0x400000
+#define MNT_LOCKED		0x800000
+#define MNT_DOOMED		0x1000000
+#define MNT_SYNC_UMOUNT		0x2000000
+#define MNT_MARKED		0x4000000
+#define MNT_UMOUNT		0x8000000
+
+struct vfsmount {
+	struct dentry *mnt_root;	/* root of the mounted tree */
+	struct super_block *mnt_sb;	/* pointer to superblock */
+	int mnt_flags;
+};
+
+struct file; /* forward dec */
+struct path;
+
+extern int mnt_want_write(struct vfsmount *mnt);
+extern int mnt_want_write_file(struct file *file);
+extern int mnt_clone_write(struct vfsmount *mnt);
+extern void mnt_drop_write(struct vfsmount *mnt);
+extern void mnt_drop_write_file(struct file *file);
+extern void mntput(struct vfsmount *mnt);
+extern struct vfsmount *mntget(struct vfsmount *mnt);
+extern struct vfsmount *mnt_clone_internal(struct path *path);
+extern int __mnt_is_readonly(struct vfsmount *mnt);
+
+struct path;
+extern struct vfsmount *clone_private_mount(struct path *path);
+
+struct file_system_type;
+extern struct vfsmount *vfs_kern_mount(struct file_system_type *type,
+				      int flags, const char *name,
+				      void *data);
+
+extern void mnt_set_expiry(struct vfsmount *mnt, struct list_head *expiry_list);
+extern void mark_mounts_for_expiry(struct list_head *mounts);
+
+extern dev_t name_to_dev_t(const char *name);
+
+#endif /* _LINUX_MOUNT_H */
-- 
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