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NFSv4: Add new attribute delegation definitions

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Add the attribute delegation XDR definitions from the spec.

Signed-off-by: Tom Haynes <loghyr@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Lance Shelton <lance.shelton@hammerspace.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2024-06-16 21:21:21 -04:00 committed by Anna Schumaker
parent 7cca0e962e
commit 6a68aed602
3 changed files with 12 additions and 1 deletions
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2
fs/nfs/nfs4proc.c
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@ -3852,7 +3852,7 @@ static void nfs4_close_context(struct nfs_open_context *ctx, int is_sync)
#define FATTR4_WORD1_NFS40_MASK (2*FATTR4_WORD1_MOUNTED_ON_FILEID - 1UL)
#define FATTR4_WORD2_NFS41_MASK (2*FATTR4_WORD2_SUPPATTR_EXCLCREAT - 1UL)
#define FATTR4_WORD2_NFS42_MASK (2*FATTR4_WORD2_XATTR_SUPPORT - 1UL)
#define FATTR4_WORD2_NFS42_MASK (2*FATTR4_WORD2_TIME_DELEG_MODIFY - 1UL)
static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle)
{

9
include/linux/nfs4.h
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@ -367,6 +367,8 @@ enum open_delegation_type4 {
NFS4_OPEN_DELEGATE_READ = 1,
NFS4_OPEN_DELEGATE_WRITE = 2,
NFS4_OPEN_DELEGATE_NONE_EXT = 3, /* 4.1 */
NFS4_OPEN_DELEGATE_READ_ATTRS_DELEG = 4,
NFS4_OPEN_DELEGATE_WRITE_ATTRS_DELEG = 5,
};
enum why_no_delegation4 { /* new to v4.1 */
@ -507,6 +509,11 @@ enum {
FATTR4_XATTR_SUPPORT = 82,
};
enum {
FATTR4_TIME_DELEG_ACCESS = 84,
FATTR4_TIME_DELEG_MODIFY = 85,
};
/*
* The following internal definitions enable processing the above
* attribute bits within 32-bit word boundaries.
@ -586,6 +593,8 @@ enum {
#define FATTR4_WORD2_SECURITY_LABEL BIT(FATTR4_SEC_LABEL - 64)
#define FATTR4_WORD2_MODE_UMASK BIT(FATTR4_MODE_UMASK - 64)
#define FATTR4_WORD2_XATTR_SUPPORT BIT(FATTR4_XATTR_SUPPORT - 64)
#define FATTR4_WORD2_TIME_DELEG_ACCESS BIT(FATTR4_TIME_DELEG_ACCESS - 64)
#define FATTR4_WORD2_TIME_DELEG_MODIFY BIT(FATTR4_TIME_DELEG_MODIFY - 64)
/* MDS threshold bitmap bits */
#define THRESHOLD_RD (1UL << 0)

2
include/uapi/linux/nfs4.h
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@ -69,6 +69,8 @@
#define NFS4_SHARE_SIGNAL_DELEG_WHEN_RESRC_AVAIL 0x10000
#define NFS4_SHARE_PUSH_DELEG_WHEN_UNCONTENDED 0x20000
#define NFS4_SHARE_WANT_DELEG_TIMESTAMPS 0x100000
#define NFS4_CDFC4_FORE 0x1
#define NFS4_CDFC4_BACK 0x2
#define NFS4_CDFC4_BOTH 0x3