[PATCH 0/14] New uid & gid mount option parsing helpers

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Multiple filesystems take uid and gid as options, and the code to
create the ID from an integer and validate it is standard boilerplate
that can be moved into common helper functions, so do that for
consistency and less cut&paste.

This also helps avoid the buggy pattern noted by Seth Jenkins at
https://lore.kernel.org/lkml/CALxfFW4BXhEwxR0Q5LSkg-8Vb4r2MONKCcUCVioehXQKr35eHg@xxxxxxxxxxxxxx/
because uid/gid parsing will fail before any assignment in most
filesystems.

Net effect is a bit of code removal, as well.

Patch 1 is the infrastructure change, then per-fs conversions follow,
cc'd as appropriate.

This series is also at
https://git.kernel.org/pub/scm/linux/kernel/git/sandeen/linux.git/log/?h=mount-api-uid-helper

Thanks,
-Eric

 Documentation/filesystems/mount_api.rst |    9 +++++++--
 fs/autofs/inode.c                       |   16 ++++------------
 fs/debugfs/inode.c                      |   16 ++++------------
 fs/efivarfs/super.c                     |   12 ++++--------
 fs/exfat/super.c                        |    8 ++++----
 fs/ext4/super.c                         |   22 ++++------------------
 fs/fs_parser.c                          |   34 ++++++++++++++++++++++++++++++++++
 fs/fuse/inode.c                         |   12 ++++--------
 fs/hugetlbfs/inode.c                    |   12 ++++--------
 fs/isofs/inode.c                        |   16 ++++------------
 fs/ntfs3/super.c                        |   12 ++++--------
 fs/smb/client/fs_context.c              |   39 ++++++++++++---------------------------
 fs/tracefs/inode.c                      |   16 ++++------------
 include/linux/fs_parser.h               |    6 +++++-
 mm/shmem.c                              |   12 ++++--------
 15 files changed, 102 insertions(+), 140 deletions(-)





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