vfs: syscall: Add move_mount(2) to move mounts around

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Add a move_mount() system call that will move a mount from one place to
another and, in the next commit, allow to attach an unattached mount tree.

The new system call looks like the following:

	int move_mount(int from_dfd, const char *from_path,
		       int to_dfd, const char *to_path,
		       unsigned int flags);

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-api@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

...

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David Howells 2018-11-05 17:40:30 +00:00 • committed by Al Viro

parent a07b200047

commit 2db154b3ea

8 changed files with 130 additions and 32 deletions

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11

include/uapi/linux/mount.h

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