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List: wine-devel
Subject: [PATCH v3 6/7] NFSv4: Add O_DENY* open flags support
From: Pavel Shilovsky <piastry () etersoft ! ru>
Date: 2013-02-28 15:25:32
Message-ID: 1362065133-9490-7-git-send-email-piastry () etersoft ! ru
[Download RAW message or body]
by passing these flags to NFSv4 open request.
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
---
fs/nfs/nfs4xdr.c | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 26b1439..58ddc74 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1325,7 +1325,8 @@ static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struc
encode_string(xdr, name->len, name->name);
}
-static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode)
+static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode,
+ int open_flags)
{
__be32 *p;
@@ -1343,7 +1344,22 @@ static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode)
default:
*p++ = cpu_to_be32(0);
}
- *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */
+ if (open_flags & O_DENYMAND) {
+ switch (open_flags & (O_DENYREAD|O_DENYWRITE)) {
+ case O_DENYREAD:
+ *p = cpu_to_be32(NFS4_SHARE_DENY_READ);
+ break;
+ case O_DENYWRITE:
+ *p = cpu_to_be32(NFS4_SHARE_DENY_WRITE);
+ break;
+ case O_DENYREAD|O_DENYWRITE:
+ *p = cpu_to_be32(NFS4_SHARE_DENY_BOTH);
+ break;
+ default:
+ *p = cpu_to_be32(0);
+ }
+ } else
+ *p = cpu_to_be32(0);
}
static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg)
@@ -1354,7 +1370,7 @@ static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_opena
* owner 4 = 32
*/
encode_nfs4_seqid(xdr, arg->seqid);
- encode_share_access(xdr, arg->fmode);
+ encode_share_access(xdr, arg->fmode, arg->open_flags);
p = reserve_space(xdr, 36);
p = xdr_encode_hyper(p, arg->clientid);
*p++ = cpu_to_be32(24);
@@ -1491,7 +1507,7 @@ static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_close
encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr);
encode_nfs4_stateid(xdr, arg->stateid);
encode_nfs4_seqid(xdr, arg->seqid);
- encode_share_access(xdr, arg->fmode);
+ encode_share_access(xdr, arg->fmode, 0);
}
static void
--
1.8.1.2
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