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NFSv4: Define an fs_locations bitmap

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This is (similar to getattr bitmap) but includes fs_locations and
mounted_on_fileid attributes. Use this bitmap for encoding in fs_locations
requests.
Note: We can probably do better by requesting locations as part of fsinfo
itself.

Signed-off-by: Manoj Naik <manoj@almaden.ibm.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Manoj Naik
2006-06-09 09:34:25 -04:00
committed by Trond Myklebust
parent 361e624f6d
commit 830b8e33fe
3 changed files with 30 additions and 2 deletions
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11
fs/nfs/nfs4xdr.c
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@@ -731,6 +731,13 @@ static int encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask)
bitmask[1] & nfs4_fsinfo_bitmap[1]);
}
static int encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask)
{
return encode_getattr_two(xdr,
bitmask[0] & nfs4_fs_locations_bitmap[0],
bitmask[1] & nfs4_fs_locations_bitmap[1]);
}
static int encode_getfh(struct xdr_stream *xdr)
{
uint32_t *p;
@@ -2030,10 +2037,10 @@ static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, uint32_t *p, struct n
goto out;
if ((status = encode_lookup(&xdr, args->name)) != 0)
goto out;
if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
if ((status = encode_fs_locations(&xdr, args->bitmask)) != 0)
goto out;
/* set up reply
* toplevel_status + taglen + rescount + OP_PUTFH + status
* toplevel_status + OP_PUTFH + status
* + OP_LOOKUP + status + OP_GETATTR + status = 7
*/
replen = (RPC_REPHDRSIZE + auth->au_rslack + 7) << 2;