ns: drop assert

Otherwise we warn when e.g., no namespaces are configured but the
initial namespace for is still around.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <braun

ns: drop assert

Otherwise we warn when e.g., no namespaces are configured but the
initial namespace for is still around.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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ns: move ns type into struct ns_common

It's misplaced in struct proc_ns_operations and ns->ops might be NULL if
the namespace is compiled out but we still want to know the type of the
namespace for

ns: move ns type into struct ns_common

It's misplaced in struct proc_ns_operations and ns->ops might be NULL if
the namespace is compiled out but we still want to know the type of the
namespace for the initial namespace struct.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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ns: add ns_debug()

Add ns_debug() that asserts that the correct operations are used for the
namespace type.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

ns: rename to __ns_ref

Make it easier to grep and rename to ns_count.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

ns: add ns_common_free()

And drop ns_free_inum(). Anything common that can be wasted centrally
should be wasted in the new common helper.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christi

ns: add ns_common_free()

And drop ns_free_inum(). Anything common that can be wasted centrally
should be wasted in the new common helper.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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nscommon: simplify initialization

There's a lot of information that namespace implementers don't need to
know about at all. Encapsulate this all in the initialization helper.

Reviewed-by: Jan Kara

nscommon: simplify initialization

There's a lot of information that namespace implementers don't need to
know about at all. Encapsulate this all in the initialization helper.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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mnt: simplify ns_common_init() handling

Assign the reserved MNT_NS_ANON_INO sentinel to anonymous mount
namespaces and cleanup the initial mount ns allocation. This is just a
preparatory patch and t

mnt: simplify ns_common_init() handling

Assign the reserved MNT_NS_ANON_INO sentinel to anonymous mount
namespaces and cleanup the initial mount ns allocation. This is just a
preparatory patch and the ns->inum check in ns_common_init() will be
dropped in the next patch.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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nscommon: move to separate file

It's really awkward spilling the ns common infrastructure into multiple
headers. Move it to a separate file.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Chri

nscommon: move to separate file

It's really awkward spilling the ns common infrastructure into multiple
headers. Move it to a separate file.

Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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