linux-kernel - [RFC PATCH 0/8] Convert mount_single-using filesystems to fs

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Date:   Thu, 21 Mar 2019 11:47:32 +0000
From:   David Howells <dhowells@...hat.com>
To:     viro@...iv.linux.org.uk
Cc:     Colin Cross <ccross@...roid.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Tony Luck <tony.luck@...el.com>, Jeremy Kerr <jk@...abs.org>,
        Kees Cook <keescook@...omium.org>, linux-s390@...r.kernel.org,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Anton Vorontsov <anton@...msg.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linuxppc-dev@...ts.ozlabs.org,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        dhowells@...hat.com
Subject: [RFC PATCH 0/8] Convert mount_single-using filesystems to fs_context


Hi Al,

Here's a set of patches that converts the mount_single()-using filesystems
to use the new fs_context struct.  There may be prerequisite commits in the
branch detailed below.

 (1) Add a new keying to vfs_get_super() that indicates that
     ->reconfigure() should be called instead of (*fill_super)() if the
     superblock already exists.

 (2) Convert debugfs.

 (3) Convert tracefs.

 (4) Convert pstore.

 (5) Fix a bug in hypfs.

 (6) Convert hypfs.

 (7) Convert spufs.

 (8) Kill off mount_single().

These can be found in the following branch:

	http://git.kernel.org/cgit/linux/kernel/git/dhowells/linux-fs.git/log/?h=mount-api-viro

Thanks,
David
---
David Howells (8):
      vfs: Add a single-or-reconfig keying to vfs_get_super()
      vfs: Convert debugfs to fs_context
      vfs: Convert tracefs to fs_context
      vfs: Convert pstore to fs_context
      hypfs: Fix error number left in struct pointer member
      vfs: Convert hypfs to fs_context
      vfs: Convert spufs to fs_context
      vfs: Kill off mount_single()


 Documentation/filesystems/vfs.txt         |    4 -
 arch/powerpc/platforms/cell/spufs/inode.c |  207 ++++++++++++++++-------------
 arch/s390/hypfs/inode.c                   |  137 +++++++++++--------
 fs/debugfs/inode.c                        |  186 ++++++++++++--------------
 fs/pstore/inode.c                         |  110 ++++++++++-----
 fs/super.c                                |   73 ++--------
 fs/tracefs/inode.c                        |  180 ++++++++++++-------------
 include/linux/fs.h                        |    3 
 include/linux/fs_context.h                |    1 
 9 files changed, 446 insertions(+), 455 deletions(-)