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vfs: Provide a mount_pseudo-replacement for the new mount API

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Provide a function, init_pseudo(), that provides a common
infrastructure for converting pseudo-filesystems that can never be
mountable.

[AV: once all users of mount_pseudo_xattr() get converted, it will be folded
into pseudo_fs_get_tree()]

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-fsdevel@vger.kernel.org
This commit is contained in:
David Howells 2019-03-25 16:38:23 +00:00 • committed by Al Viro
parent c80fa7c830
commit 31d6d5ce53
2 changed files with 62 additions and 0 deletions
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16
include/linux/pseudo_fs.h Normal file
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#ifndef __LINUX_PSEUDO_FS__
#define __LINUX_PSEUDO_FS__
#include <linux/fs_context.h>
struct pseudo_fs_context {
const struct super_operations *ops;
const struct xattr_handler **xattr;
const struct dentry_operations *dops;
unsigned long magic;
};
struct pseudo_fs_context *init_pseudo(struct fs_context *fc,
unsigned long magic);
#endif