diff mbox series

[RFC,35/35] nfsd: add NFSD_V4_XATTR config option

Message ID	46d6a4ceafd045be525e669aade649bc81c5894b.1568309119.git.fllinden@amazon.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=U+gK=XH=vger.kernel.org=linux-nfs-owner@kernel.org> Message-ID: <46d6a4ceafd045be525e669aade649bc81c5894b.1568309119.git.fllinden@amazon.com> In-Reply-To: <cover.1568309119.git.fllinden@amazon.com> References: <cover.1568309119.git.fllinden@amazon.com> From: Frank van der Linden <fllinden@amazon.com> Date: Mon, 2 Sep 2019 23:17:12 +0000 Subject: [RFC PATCH 35/35] nfsd: add NFSD_V4_XATTR config option To: <linux-nfs@vger.kernel.org>, <linux-fsdevel@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk
Series	user xattr support (RFC8276) \| expand [RFC,00/35] user xattr support (RFC8276) [RFC,02/35] nfs/nfsd: basic NFS4 extended attribute definitions [RFC,03/35] NFSv4.2: query the server for extended attribute support [RFC,04/35] nfs: parse the {no}user_xattr option [RFC,05/35] NFSv4.2: define a function to compute the maximum XDR size for listxattr [RFC,06/35] NFSv4.2: define and set initial limits for extended attributes [RFC,07/35] NFSv4.2: define argument and response structures for xattr operations [RFC,08/35] NFSv4.2: define the encode/decode sizes for the XATTR operations [RFC,09/35] NFSv4.2: define and use extended attribute overhead sizes [RFC,10/35] NFSv4.2: add client side XDR handling for extended attributes [RFC,11/35] nfs: define nfs_access_get_cached function [RFC,12/35] NFSv4.2: query the extended attribute access bits [RFC,13/35] nfs: modify update_changeattr to deal with regular files [RFC,14/35] nfs: define and use the NFS_INO_INVALID_XATTR flag [RFC,15/35] nfs: make the buf_to_pages_noslab function available to the nfs code [RFC,16/35] NFSv4.2: add the extended attribute proc functions. [RFC,17/35] NFSv4.2: hook in the user extended attribute handlers [RFC,18/35] NFSv4.2: add client side xattr caching functions [RFC,19/35] NFSv4.2: call the xattr cache functions [RFC,20/35] nfs: add the NFS_V4_XATTR config option [RFC,21/35] xattr: modify vfs_{set,remove}xattr for NFS server use [RFC,22/35] nfsd: split off the write decode code in to a seperate function [RFC,23/35] nfsd: add defines for NFSv4.2 extended attribute support [RFC,26/35] nfsd: add structure definitions for xattr requests / responses [RFC,24/35] nfsd: define xattr functions to call in to their vfs counterparts [RFC,25/35] nfsd: take xattr access bits in to account when checking [RFC,27/35] nfsd: implement the xattr procedure functions. [RFC,01/35] nfsd: make sure the nfsd4_ops array has the right size [RFC,28/35] nfsd: define xattr reply size functions [RFC,29/35] nfsd: add xattr XDR decode functions [RFC,30/35] nfsd: add xattr XDR encode functions [RFC,31/35] nfsd: add xattr operations to ops array [RFC,32/35] xattr: add a function to check if a namespace is supported [RFC,33/35] nfsd: add fattr support for user extended attributes [RFC,34/35] nfsd: add export flag to disable user extended attributes [RFC,35/35] nfsd: add NFSD_V4_XATTR config option

Commit Message

Frank van der Linden Sept. 2, 2019, 11:17 p.m. UTC

With everything in place, add the NFSD_V4_XATTR config option to enable
user extended attribute support.

Signed-off-by: Frank van der Linden <fllinden@amazon.com>
---
 fs/nfsd/Kconfig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff mbox series

Patch

diff --git a/fs/nfsd/Kconfig b/fs/nfsd/Kconfig
index d25f6bbe7006..a42d7c8bdb03 100644
--- a/fs/nfsd/Kconfig
+++ b/fs/nfsd/Kconfig
@@ -145,6 +145,16 @@  config NFSD_V4_SECURITY_LABEL
 	If you do not wish to enable fine-grained security labels SELinux or
 	Smack policies on NFSv4 files, say N.
 
+config NFSD_V4_XATTR
+	bool "NFSv4.2 server extended attribute support (RFC8276)"
+	depends on NFSD_V4
+	help
+
+	This option enables extended attributed support, as defined
+	by RFC8726, for the kernel NFS server. This is not to be
+	confused with the "named attributers" extension. It supports
+	the xattr user namespace only, by design.
+
 config NFSD_FAULT_INJECTION
 	bool "NFS server manual fault injection"
 	depends on NFSD_V4 && DEBUG_KERNEL && DEBUG_FS