[RFC,23/35] nfsd: add defines for NFSv4.2 extended attribute support
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Message ID 5b49cb855ec94a477bad4730f936931af353e31d.1568309119.git.fllinden@amazon.com
State New
Headers show
Series
  • user xattr support (RFC8276)
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Commit Message

Frank van der Linden Aug. 31, 2019, 7:19 p.m. UTC
Add defines for server-side extended attribute support. Most have
already been added as part of client support, but these are
the network order error codes for the noxattr and xattr2big errors,
and the addition of the xattr support to the supported file
attributes (if configured).

Signed-off-by: Frank van der Linden <fllinden@amazon.com>
---
 fs/nfsd/nfsd.h | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

Patch
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diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index af2947551e9c..7e2a2f4dcb24 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -280,7 +280,9 @@  void		nfsd_lockd_shutdown(void);
 #define nfserr_union_notsupp		cpu_to_be32(NFS4ERR_UNION_NOTSUPP)
 #define nfserr_offload_denied		cpu_to_be32(NFS4ERR_OFFLOAD_DENIED)
 #define nfserr_wrong_lfs		cpu_to_be32(NFS4ERR_WRONG_LFS)
-#define nfserr_badlabel		cpu_to_be32(NFS4ERR_BADLABEL)
+#define nfserr_badlabel			cpu_to_be32(NFS4ERR_BADLABEL)
+#define nfserr_xattr2big		cpu_to_be32(NFS4ERR_XATTR2BIG)
+#define nfserr_noxattr			cpu_to_be32(NFS4ERR_NOXATTR)
 
 /* error codes for internal use */
 /* if a request fails due to kmalloc failure, it gets dropped.
@@ -378,11 +380,18 @@  void		nfsd_lockd_shutdown(void);
 #define NFSD4_2_SECURITY_ATTRS		0
 #endif
 
+#ifdef CONFIG_NFSD_V4_XATTR
+#define NFSD4_2_XATTR			FATTR4_WORD2_XATTR_SUPPORT
+#else
+#define NFSD4_2_XATTR			0
+#endif
+
 #define NFSD4_2_SUPPORTED_ATTRS_WORD2 \
 	(NFSD4_1_SUPPORTED_ATTRS_WORD2 | \
 	FATTR4_WORD2_CHANGE_ATTR_TYPE | \
 	FATTR4_WORD2_MODE_UMASK | \
-	NFSD4_2_SECURITY_ATTRS)
+	NFSD4_2_SECURITY_ATTRS | \
+	NFSD4_2_XATTR)
 
 extern const u32 nfsd_suppattrs[3][3];