server->maxfilesize = fsinfo->maxfilesize;
server->time_delta = fsinfo->time_delta;
+ server->change_attr_type = fsinfo->change_attr_type;
server->clone_blksize = fsinfo->clone_blksize;
/* We're airborne Set socket buffersize */
return NULL;
}
+ server->change_attr_type = NFS4_CHANGE_TYPE_IS_UNDEFINED;
+
ida_init(&server->openowner_id);
ida_init(&server->lockowner_id);
pnfs_init_server(server);
/* ignore properties */
result->lease_time = 0;
+ result->change_attr_type = NFS4_CHANGE_TYPE_IS_TIME_METADATA;
return 0;
}
| FATTR4_WORD1_FS_LAYOUT_TYPES,
FATTR4_WORD2_LAYOUT_BLKSIZE
| FATTR4_WORD2_CLONE_BLKSIZE
+ | FATTR4_WORD2_CHANGE_ATTR_TYPE
| FATTR4_WORD2_XATTR_SUPPORT
};
5 /* fs layout types */ + \
1 /* layout blksize */ + \
1 /* clone blksize */ + \
+ 1 /* change attr type */ + \
1 /* xattr support */)
#define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
#define decode_renew_maxsz (op_decode_hdr_maxsz)
return 0;
}
+static int decode_attr_change_attr_type(struct xdr_stream *xdr,
+ uint32_t *bitmap,
+ enum nfs4_change_attr_type *res)
+{
+ u32 tmp = NFS4_CHANGE_TYPE_IS_UNDEFINED;
+
+ dprintk("%s: bitmap is %x\n", __func__, bitmap[2]);
+ if (bitmap[2] & FATTR4_WORD2_CHANGE_ATTR_TYPE) {
+ if (xdr_stream_decode_u32(xdr, &tmp))
+ return -EIO;
+ bitmap[2] &= ~FATTR4_WORD2_CHANGE_ATTR_TYPE;
+ }
+
+ switch(tmp) {
+ case NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR:
+ case NFS4_CHANGE_TYPE_IS_VERSION_COUNTER:
+ case NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS:
+ case NFS4_CHANGE_TYPE_IS_TIME_METADATA:
+ *res = tmp;
+ break;
+ default:
+ *res = NFS4_CHANGE_TYPE_IS_UNDEFINED;
+ }
+ return 0;
+}
+
static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo)
{
unsigned int savep;
if (status)
goto xdr_error;
+ status = decode_attr_change_attr_type(xdr, bitmap,
+ &fsinfo->change_attr_type);
+ if (status)
+ goto xdr_error;
+
status = decode_attr_xattrsupport(xdr, bitmap,
&fsinfo->xattr_support);
if (status)
info->dtpref = fsinfo.tsize;
info->maxfilesize = 0x7FFFFFFF;
info->lease_time = 0;
+ info->change_attr_type = NFS4_CHANGE_TYPE_IS_TIME_METADATA;
return 0;
}
#define FATTR4_WORD2_LAYOUT_BLKSIZE (1UL << 1)
#define FATTR4_WORD2_MDSTHRESHOLD (1UL << 4)
#define FATTR4_WORD2_CLONE_BLKSIZE (1UL << 13)
+#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)
} u;
};
+enum nfs4_change_attr_type {
+ NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR = 0,
+ NFS4_CHANGE_TYPE_IS_VERSION_COUNTER = 1,
+ NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS = 2,
+ NFS4_CHANGE_TYPE_IS_TIME_METADATA = 3,
+ NFS4_CHANGE_TYPE_IS_UNDEFINED = 4,
+};
+
/*
* Options for setxattr. These match the flags for setxattr(2).
*/
#define NFS_OPTION_FSCACHE 0x00000001 /* - local caching enabled */
#define NFS_OPTION_MIGRATION 0x00000002 /* - NFSv4 migration enabled */
+ enum nfs4_change_attr_type
+ change_attr_type;/* Description of change attribute */
+
struct nfs_fsid fsid;
__u64 maxfilesize; /* maximum file size */
struct timespec64 time_delta; /* smallest time granularity */
__u32 layouttype[NFS_MAX_LAYOUT_TYPES]; /* supported pnfs layout driver */
__u32 blksize; /* preferred pnfs io block size */
__u32 clone_blksize; /* granularity of a CLONE operation */
+ enum nfs4_change_attr_type
+ change_attr_type; /* Info about change attr */
__u32 xattr_support; /* User xattrs supported */
};