linux-nfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Frank van der Linden <fllinden@amazon.com>
To: <bfields@fieldses.org>, <chuck.lever@oracle.com>,
	<linux-nfs@vger.kernel.org>
Cc: Frank van der Linden <fllinden@amazon.com>
Subject: [PATCH 10/14] nfsd: implement the xattr procedure functions.
Date: Wed, 11 Mar 2020 19:59:50 +0000	[thread overview]
Message-ID: <20200311195954.27117-11-fllinden@amazon.com> (raw)
In-Reply-To: <20200311195954.27117-1-fllinden@amazon.com>

Implement the main entry points for the *XATTR operations.

Signed-off-by: Frank van der Linden <fllinden@amazon.com>
---
 fs/nfsd/nfs4proc.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 fs/nfsd/nfs4xdr.c  |  2 ++
 2 files changed, 75 insertions(+)

diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index b573ae1121af..a76b9025a357 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -2098,6 +2098,79 @@ nfsd4_layoutreturn(struct svc_rqst *rqstp,
 }
 #endif /* CONFIG_NFSD_PNFS */
 
+static __be32
+nfsd4_getxattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
+	       union nfsd4_op_u *u)
+{
+	struct nfsd4_getxattr *getxattr = &u->getxattr;
+
+	return nfsd_getxattr(rqstp, &cstate->current_fh,
+			     getxattr->getxa_name, getxattr->getxa_buf,
+			     &getxattr->getxa_len);
+}
+
+static __be32
+nfsd4_setxattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
+	   union nfsd4_op_u *u)
+{
+	struct nfsd4_setxattr *setxattr = &u->setxattr;
+	int ret;
+
+	if (opens_in_grace(SVC_NET(rqstp)))
+		return nfserr_grace;
+
+	ret = nfsd_setxattr(rqstp, &cstate->current_fh, setxattr->setxa_name,
+			    setxattr->setxa_buf, setxattr->setxa_len,
+			    setxattr->setxa_flags);
+
+	if (!ret)
+		set_change_info(&setxattr->setxa_cinfo, &cstate->current_fh);
+
+	return ret;
+}
+
+static __be32
+nfsd4_listxattrs(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
+	   union nfsd4_op_u *u)
+{
+	int ret, len;
+
+	/*
+	 * Get the entire list, then copy out only the user attributes
+	 * in the encode function. lsxa_buf was previously allocated as
+	 * tmp svc space, and will be automatically freed later.
+	 */
+	len = XATTR_LIST_MAX;
+
+	ret = nfsd_listxattr(rqstp, &cstate->current_fh, u->listxattrs.lsxa_buf,
+			     &len);
+	if (ret)
+		return ret;
+
+	u->listxattrs.lsxa_len = len;
+
+	return nfs_ok;
+}
+
+static __be32
+nfsd4_removexattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
+	   union nfsd4_op_u *u)
+{
+	struct nfsd4_removexattr *removexattr = &u->removexattr;
+	int ret;
+
+	if (opens_in_grace(SVC_NET(rqstp)))
+		return nfserr_grace;
+
+	ret = nfsd_removexattr(rqstp, &cstate->current_fh,
+	    removexattr->rmxa_name);
+
+	if (!ret)
+		set_change_info(&removexattr->rmxa_cinfo, &cstate->current_fh);
+
+	return ret;
+}
+
 /*
  * NULL call.
  */
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index f6322add2992..b12d7ac6f52c 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -41,6 +41,8 @@
 #include <linux/pagemap.h>
 #include <linux/sunrpc/svcauth_gss.h>
 #include <linux/sunrpc/addr.h>
+#include <linux/xattr.h>
+#include <uapi/linux/xattr.h>
 
 #include "idmap.h"
 #include "acl.h"
-- 
2.16.6


  parent reply	other threads:[~2020-03-11 20:00 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-11 19:59 [PATCH 00/14] server side user xattr support (RFC 8276) Frank van der Linden
2020-03-11 19:59 ` [PATCH 01/14] nfs,nfsd: NFSv4.2 extended attribute protocol definitions Frank van der Linden
2020-03-11 19:59 ` [PATCH 02/14] xattr: modify vfs_{set,remove}xattr for NFS server use Frank van der Linden
2020-03-12 16:23   ` Chuck Lever
2020-03-13 15:35   ` J. Bruce Fields
2020-03-13 16:07     ` [PATCH 02/14] xattr: modify vfs_{set, remove}xattr " Frank van der Linden
2020-03-13 21:06       ` J. Bruce Fields
2020-03-11 19:59 ` [PATCH 03/14] nfsd: split off the write decode code in to a separate function Frank van der Linden
2020-03-11 19:59 ` [PATCH 04/14] nfsd: make sure the nfsd4_ops array has the right size Frank van der Linden
2020-03-11 19:59 ` [PATCH 05/14] nfsd: add defines for NFSv4.2 extended attribute support Frank van der Linden
2020-03-12 16:23   ` Chuck Lever
2020-03-11 19:59 ` [PATCH 06/14] nfsd: define xattr functions to call in to their vfs counterparts Frank van der Linden
2020-03-12  7:37   ` kbuild test robot
2020-03-12 16:23   ` Chuck Lever
2020-03-12 17:16     ` Frank van der Linden
2020-03-12 17:57       ` Chuck Lever
2020-03-11 19:59 ` [PATCH 07/14] nfsd: take xattr bits in to account for permission checks Frank van der Linden
2020-03-11 19:59 ` [PATCH 08/14] nfsd: add structure definitions for xattr requests / responses Frank van der Linden
2020-03-11 19:59 ` [PATCH 09/14] nfsd: use kvmalloc in svcxdr_tmpalloc Frank van der Linden
2020-03-11 19:59 ` Frank van der Linden [this message]
2020-03-12 10:28   ` [PATCH 10/14] nfsd: implement the xattr procedure functions kbuild test robot
2020-03-12 16:24   ` Chuck Lever
2020-03-11 19:59 ` [PATCH 11/14] nfsd: add user xattr RPC XDR encoding/decoding logic Frank van der Linden
2020-03-12 13:28   ` kbuild test robot
2020-03-12 16:24   ` Chuck Lever
2020-03-19 22:13     ` Frank van der Linden
2020-03-19 22:15       ` Chuck Lever
2020-03-25 23:44     ` Frank van der Linden
2020-03-26 14:12       ` Chuck Lever
2020-03-12 19:16   ` Chuck Lever
2020-03-20 16:47     ` Frank van der Linden
2020-03-20 17:34       ` Chuck Lever
2020-03-20 17:54         ` J. Bruce Fields
2020-03-20 19:44         ` Frank van der Linden
2020-03-11 19:59 ` [PATCH 12/14] nfsd: add xattr operations to ops array Frank van der Linden
2020-03-11 19:59 ` [PATCH 13/14] xattr: add a function to check if a namespace is supported Frank van der Linden
2020-03-12 16:24   ` Chuck Lever
2020-03-11 19:59 ` [PATCH 14/14] nfsd: add fattr support for user extended attributes Frank van der Linden

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200311195954.27117-11-fllinden@amazon.com \
    --to=fllinden@amazon.com \
    --cc=bfields@fieldses.org \
    --cc=chuck.lever@oracle.com \
    --cc=linux-nfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).