nfsd: rework NFS4_SHARE_WANT_* flag handling

The delstid draft adds new NFS4_SHARE_WANT_TYPE_MASK values that don't
fit neatly into the existing WANT_MASK or WHEN_MASK. Add a new
NFS4_SHARE_WANT_MOD

nfsd: rework NFS4_SHARE_WANT_* flag handling

The delstid draft adds new NFS4_SHARE_WANT_TYPE_MASK values that don't
fit neatly into the existing WANT_MASK or WHEN_MASK. Add a new
NFS4_SHARE_WANT_MOD_MASK value and redefine NFS4_SHARE_WANT_MASK to
include it.

Also fix the checks in nfsd4_deleg_xgrade_none_ext() to check for the
flags instead of equality, since there may be modifier flags in the
value.

Signed-off-by: Jeff Layton <[email protected]>
Signed-off-by: Chuck Lever <[email protected]>

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NFSv4: Detect support for OPEN4_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION

If the server supports the NFSv4.2 protocol extension to optimise away
returning a stateid when it returns a delegation, then we

NFSv4: Detect support for OPEN4_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION

If the server supports the NFSv4.2 protocol extension to optimise away
returning a stateid when it returns a delegation, then we cache that
information in another capability flag.

Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Lance Shelton <[email protected]>
Reviewed-by: Jeff Layton <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>

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NFSv4: Add new attribute delegation definitions

Add the attribute delegation XDR definitions from the spec.

Signed-off-by: Tom Haynes <[email protected]>
Signed-off-by: Trond Myklebust <trond.

NFSv4: Add new attribute delegation definitions

Add the attribute delegation XDR definitions from the spec.

Signed-off-by: Tom Haynes <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Lance Shelton <[email protected]>
Reviewed-by: Jeff Layton <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>

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NFSv4.1 support for NFS4_RESULT_PRESERVER_UNLINKED

In 4.1+, the server is allowed to set a flag
NFS4_RESULT_PRESERVE_UNLINKED in reply to the OPEN, that tells
the client that it does not need to do

NFSv4.1 support for NFS4_RESULT_PRESERVER_UNLINKED

In 4.1+, the server is allowed to set a flag
NFS4_RESULT_PRESERVE_UNLINKED in reply to the OPEN, that tells
the client that it does not need to do a silly rename of an
opened file when it's being removed.

Signed-off-by: Olga Kornievskaia <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>

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treewide: remove editor modelines and cruft

The section "19) Editor modelines and other cruft" in
Documentation/process/coding-style.rst clearly says, "Do not include any
of these in source files."

treewide: remove editor modelines and cruft

The section "19) Editor modelines and other cruft" in
Documentation/process/coding-style.rst clearly says, "Do not include any
of these in source files."

I recently receive a patch to explicitly add a new one.

Let's do treewide cleanups, otherwise some people follow the existing code
and attempt to upstream their favoriate editor setups.

It is even nicer if scripts/checkpatch.pl can check it.

If we like to impose coding style in an editor-independent manner, I think
editorconfig (patch [1]) is a saner solution.

[1] https://lore.kernel.org/lkml/[email protected]/

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Masahiro Yamada <[email protected]>
Acked-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Miguel Ojeda <[email protected]> [auxdisplay]
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

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NFSv4.2: support EXCHGID4_FLAG_SUPP_FENCE_OPS 4.2 EXCHANGE_ID flag

RFC 7862 introduced a new flag that either client or server is
allowed to set: EXCHGID4_FLAG_SUPP_FENCE_OPS.

Client needs to updat

NFSv4.2: support EXCHGID4_FLAG_SUPP_FENCE_OPS 4.2 EXCHANGE_ID flag

RFC 7862 introduced a new flag that either client or server is
allowed to set: EXCHGID4_FLAG_SUPP_FENCE_OPS.

Client needs to update its bitmask to allow for this flag value.

v2: changed minor version argument to unsigned int

Signed-off-by: Olga Kornievskaia <[email protected]>
CC: <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>

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nfs,nfsd: NFSv4.2 extended attribute protocol definitions

Add definitions for the new operations, errors and flags as defined
in RFC 8276 (File System Extended Attributes in NFSv4).

Signed-off-by:

nfs,nfsd: NFSv4.2 extended attribute protocol definitions

Add definitions for the new operations, errors and flags as defined
in RFC 8276 (File System Extended Attributes in NFSv4).

Signed-off-by: Frank van der Linden <[email protected]>
Signed-off-by: Chuck Lever <[email protected]>

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License cleanup: add SPDX license identifier to uapi header files with no license

Many user space API headers are missing licensing information, which
makes it hard for compliance tools to determine

License cleanup: add SPDX license identifier to uapi header files with no license

Many user space API headers are missing licensing information, which
makes it hard for compliance tools to determine the correct license.

By default are files without license information under the default
license of the kernel, which is GPLV2. Marking them GPLV2 would exclude
them from being included in non GPLV2 code, which is obviously not
intended. The user space API headers fall under the syscall exception
which is in the kernels COPYING file:

NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".

otherwise syscall usage would not be possible.

Update the files which contain no license information with an SPDX
license identifier. The chosen identifier is 'GPL-2.0 WITH
Linux-syscall-note' which is the officially assigned identifier for the
Linux syscall exception. SPDX license identifiers are a legally binding
shorthand, which can be used instead of the full boiler plate text.

This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne. See the previous patch in this series for the
methodology of how this patch was researched.

Reviewed-by: Kate Stewart <[email protected]>
Reviewed-by: Philippe Ombredanne <[email protected]>
Reviewed-by: Thomas Gleixner <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

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nfs: add a new NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK constant

As defined in RFC 5661, section 18.16.

Signed-off-by: Jeff Layton <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>

nfs: add a new NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK constant

As defined in RFC 5661, section 18.16.

Signed-off-by: Jeff Layton <[email protected]>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.

nfs: add a new NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK constant

As defined in RFC 5661, section 18.16.

Signed-off-by: Jeff Layton <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>

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NFS: Update NFS4_BITMAP_SIZE

v4.1/v4.2 have define attributes at word2, nfs client also support
security label now.

v3, same as v2.

Signed-off-by: Kinglong Mee <[email protected]>
Signed-off-b

NFS: Update NFS4_BITMAP_SIZE

v4.1/v4.2 have define attributes at word2, nfs client also support
security label now.

v3, same as v2.

Signed-off-by: Kinglong Mee <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>

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uapi/nfs: Add NFSv4.1 ACL definitions

Add the ACL related protocol definitions which were added in the NFSv4.1
specification.

(But we're not using them yet.)

Signed-off-by: Andreas Gruenbacher <ag

uapi/nfs: Add NFSv4.1 ACL definitions

Add the ACL related protocol definitions which were added in the NFSv4.1
specification.

(But we're not using them yet.)

Signed-off-by: Andreas Gruenbacher <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>

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uapi: Remove kernel internal declaration

The enum nfs4_acl_whotype is only used in nfs4d's internal nfs4 acl
representation. No longer expose it to user space.

Signed-off-by: Andreas Gruenbacher <a

uapi: Remove kernel internal declaration

The enum nfs4_acl_whotype is only used in nfs4d's internal nfs4 acl
representation. No longer expose it to user space.

Signed-off-by: Andreas Gruenbacher <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>

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uapi: convert u64 to __u64 in exported headers

The u64 type is not defined in any exported kernel headers, so trying to
use it will lead to build failures.

Signed-off-by: Mike Frysinger <vapier@gen

uapi: convert u64 to __u64 in exported headers

The u64 type is not defined in any exported kernel headers, so trying to
use it will lead to build failures.

Signed-off-by: Mike Frysinger <[email protected]>
Acked-by: David Rientjes <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

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UAPI: (Scripted) Disintegrate include/linux

Signed-off-by: David Howells <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Acked-by: Michae

UAPI: (Scripted) Disintegrate include/linux

Signed-off-by: David Howells <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Acked-by: Michael Kerrisk <[email protected]>
Acked-by: Paul E. McKenney <[email protected]>
Acked-by: Dave Jones <[email protected]>

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