From: Frank van der Linden <fllinden@amazon.com>
To: <linux-nfs@vger.kernel.org>, <anna.schumaker@netapp.com>,
<trond.myklebust@hammerspace.com>
Cc: Frank van der Linden <fllinden@amazon.com>
Subject: [PATCH v2 01/13] nfs,nfsd: NFSv4.2 extended attribute protocol definitions
Date: Wed, 25 Mar 2020 23:10:39 +0000
Message-ID: <20200325231051.31652-2-fllinden@amazon.com> (raw)
In-Reply-To: <20200325231051.31652-1-fllinden@amazon.com>
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 <fllinden@amazon.com>
---
include/linux/nfs4.h | 20 ++++++++++++++++++++
include/uapi/linux/nfs4.h | 3 +++
2 files changed, 23 insertions(+)
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 82d8fb422092..350aeda0c48c 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -150,6 +150,12 @@ enum nfs_opnum4 {
OP_WRITE_SAME = 70,
OP_CLONE = 71,
+ /* xattr support (RFC8726) */
+ OP_GETXATTR = 72,
+ OP_SETXATTR = 73,
+ OP_LISTXATTRS = 74,
+ OP_REMOVEXATTR = 75,
+
OP_ILLEGAL = 10044,
};
@@ -280,6 +286,10 @@ enum nfsstat4 {
NFS4ERR_WRONG_LFS = 10092,
NFS4ERR_BADLABEL = 10093,
NFS4ERR_OFFLOAD_NO_REQS = 10094,
+
+ /* xattr (RFC8276) */
+ NFS4ERR_NOXATTR = 10095,
+ NFS4ERR_XATTR2BIG = 10096,
};
static inline bool seqid_mutating_err(u32 err)
@@ -452,6 +462,7 @@ enum change_attr_type4 {
#define FATTR4_WORD2_CHANGE_ATTR_TYPE (1UL << 15)
#define FATTR4_WORD2_SECURITY_LABEL (1UL << 16)
#define FATTR4_WORD2_MODE_UMASK (1UL << 17)
+#define FATTR4_WORD2_XATTR_SUPPORT (1UL << 18)
/* MDS threshold bitmap bits */
#define THRESHOLD_RD (1UL << 0)
@@ -700,4 +711,13 @@ struct nl4_server {
struct nfs42_netaddr nl4_addr; /* NL4_NETADDR */
} u;
};
+
+/*
+ * Options for setxattr. These match the flags for setxattr(2).
+ */
+enum nfs4_setxattr_options {
+ SETXATTR4_EITHER = 0,
+ SETXATTR4_CREATE = 1,
+ SETXATTR4_REPLACE = 2,
+};
#endif
diff --git a/include/uapi/linux/nfs4.h b/include/uapi/linux/nfs4.h
index 8572930cf5b0..bf197e99b98f 100644
--- a/include/uapi/linux/nfs4.h
+++ b/include/uapi/linux/nfs4.h
@@ -33,6 +33,9 @@
#define NFS4_ACCESS_EXTEND 0x0008
#define NFS4_ACCESS_DELETE 0x0010
#define NFS4_ACCESS_EXECUTE 0x0020
+#define NFS4_ACCESS_XAREAD 0x0040
+#define NFS4_ACCESS_XAWRITE 0x0080
+#define NFS4_ACCESS_XALIST 0x0100
#define NFS4_FH_PERSISTENT 0x0000
#define NFS4_FH_NOEXPIRE_WITH_OPEN 0x0001
--
2.17.2
next prev parent reply index
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-25 23:10 [PATCH v2 00/13] NFS client user xattr (RFC8276) support Frank van der Linden
2020-03-25 23:10 ` Frank van der Linden [this message]
2020-03-25 23:10 ` [PATCH v2 02/13] nfs: add client side only definitions for user xattrs Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 03/13] NFSv4.2: define limits and sizes for user xattr handling Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 04/13] NFSv4.2: query the server for extended attribute support Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 05/13] NFSv4.2: add client side XDR handling for extended attributes Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 06/13] nfs: define nfs_access_get_cached function Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 07/13] NFSv4.2: query the extended attribute access bits Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 08/13] nfs: modify update_changeattr to deal with regular files Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 09/13] nfs: define and use the NFS_INO_INVALID_XATTR flag Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 10/13] nfs: make the buf_to_pages_noslab function available to the nfs code Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 11/13] NFSv4.2: add the extended attribute proc functions Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 12/13] NFSv4.2: hook in the user extended attribute handlers Frank van der Linden
2020-03-25 23:10 ` [PATCH v2 13/13] NFSv4.2: add client side xattr caching Frank van der Linden
2020-03-26 19:03 ` [PATCH v2 00/13] NFS client user xattr (RFC8276) support Mkrtchyan, Tigran
2020-03-26 19:43 ` Frank van der Linden
2020-03-26 23:16 ` Frank van der Linden
2020-03-27 7:51 ` Mkrtchyan, Tigran
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=20200325231051.31652-2-fllinden@amazon.com \
--to=fllinden@amazon.com \
--cc=anna.schumaker@netapp.com \
--cc=linux-nfs@vger.kernel.org \
--cc=trond.myklebust@hammerspace.com \
/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
Linux-NFS Archive on lore.kernel.org
Archives are clonable:
git clone --mirror https://lore.kernel.org/linux-nfs/0 linux-nfs/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 linux-nfs linux-nfs/ https://lore.kernel.org/linux-nfs \
linux-nfs@vger.kernel.org
public-inbox-index linux-nfs
Example config snippet for mirrors
Newsgroup available over NNTP:
nntp://nntp.lore.kernel.org/org.kernel.vger.linux-nfs
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git