[Xen-devel] [PATCH 00/38] VFS: Convert trivial filesystems and more

[David Howells <dhowells@xxxxxxxxxx>]

Hi Al,

Here's a set of patches that:

 (1) Provides a convenience member in struct fs_context that is OR'd into
     sb->s_iflags by sget_fc().

 (2) Provides a convenience vfs_init_pseudo_fs_context() helper function
     for doing most of the work in mounting a pseudo filesystem.

 (3) Converts all the trivial filesystems that have no arguments to
     fs_context.

 (4) Converts binderfs (which was trivial before January).

 (5) Converts ramfs, tmpfs, rootfs and devtmpfs.

 (6) Kills off mount_pseudo(), mount_pseudo_xattr(), mount_ns(),
     sget_userns().

The patches can be found here also:

        https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git

on branch:

        mount-api-viro

David
---
David Howells (38):
      vfs: Provide sb->s_iflags settings in fs_context struct
      vfs: Provide a mount_pseudo-replacement for fs_context
      vfs: Convert aio to fs_context
      vfs: Convert anon_inodes to fs_context
      vfs: Convert bdev to fs_context
      vfs: Convert nsfs to fs_context
      vfs: Convert pipe to fs_context
      vfs: Convert zsmalloc to fs_context
      vfs: Convert sockfs to fs_context
      vfs: Convert dax to fs_context
      vfs: Convert drm to fs_context
      vfs: Convert ia64 perfmon to fs_context
      vfs: Convert cxl to fs_context
      vfs: Convert ocxlflash to fs_context
      vfs: Convert virtio_balloon to fs_context
      vfs: Convert btrfs_test to fs_context
      vfs: Kill off mount_pseudo() and mount_pseudo_xattr()
      vfs: Use sget_fc() for pseudo-filesystems
      vfs: Convert binderfs to fs_context
      vfs: Convert nfsctl to fs_context
      vfs: Convert rpc_pipefs to fs_context
      vfs: Kill off mount_ns()
      vfs: Kill sget_userns()
      vfs: Convert binfmt_misc to fs_context
      vfs: Convert configfs to fs_context
      vfs: Convert efivarfs to fs_context
      vfs: Convert fusectl to fs_context
      vfs: Convert qib_fs/ipathfs to fs_context
      vfs: Convert ibmasmfs to fs_context
      vfs: Convert oprofilefs to fs_context
      vfs: Convert gadgetfs to fs_context
      vfs: Convert xenfs to fs_context
      vfs: Convert openpromfs to fs_context
      vfs: Convert apparmorfs to fs_context
      vfs: Convert securityfs to fs_context
      vfs: Convert selinuxfs to fs_context
      vfs: Convert smackfs to fs_context
      tmpfs, devtmpfs, ramfs, rootfs: Convert to fs_context


 arch/ia64/kernel/perfmon.c         |   14 +
 drivers/android/binderfs.c         |  173 +++++++++-------
 drivers/base/devtmpfs.c            |   16 +
 drivers/dax/super.c                |   13 +
 drivers/gpu/drm/drm_drv.c          |   14 +
 drivers/infiniband/hw/qib/qib_fs.c |   26 ++
 drivers/misc/cxl/api.c             |   10 -
 drivers/misc/ibmasm/ibmasmfs.c     |   21 +-
 drivers/oprofile/oprofilefs.c      |   20 +-
 drivers/scsi/cxlflash/ocxl_hw.c    |   21 +-
 drivers/usb/gadget/legacy/inode.c  |   21 +-
 drivers/virtio/virtio_balloon.c    |   19 +-
 drivers/xen/xenfs/super.c          |   21 +-
 fs/aio.c                           |   15 +
 fs/anon_inodes.c                   |   12 +
 fs/binfmt_misc.c                   |   20 +-
 fs/block_dev.c                     |   14 +
 fs/btrfs/tests/btrfs-tests.c       |   13 +
 fs/configfs/mount.c                |   20 +-
 fs/efivarfs/super.c                |   20 +-
 fs/fuse/control.c                  |   20 +-
 fs/libfs.c                         |   91 ++++++--
 fs/nfsd/nfsctl.c                   |   33 ++-
 fs/nsfs.c                          |   13 +
 fs/openpromfs/inode.c              |   20 +-
 fs/pipe.c                          |   12 +
 fs/ramfs/inode.c                   |  104 ++++++---
 fs/super.c                         |  106 ++--------
 include/linux/fs.h                 |   21 --
 include/linux/fs_context.h         |    8 +
 include/linux/ramfs.h              |    6 -
 include/linux/shmem_fs.h           |    4 
 init/do_mounts.c                   |   12 -
 mm/shmem.c                         |  396 ++++++++++++++++++++++++------------
 mm/zsmalloc.c                      |   19 +-
 net/socket.c                       |   14 +
 net/sunrpc/rpc_pipe.c              |   34 ++-
 security/apparmor/apparmorfs.c     |   20 +-
 security/inode.c                   |   21 +-
 security/selinux/selinuxfs.c       |   20 +-
 security/smack/smackfs.c           |   34 ++-
 41 files changed, 902 insertions(+), 609 deletions(-)


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