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authorKinglong Mee <kinglongmee@gmail.com>2015-08-26 21:12:58 +0800
committerTrond Myklebust <trond.myklebust@primarydata.com>2015-08-27 19:45:27 -0400
commit8c61282ff61c28d5a12bb53f0eaa221d30fd3ae1 (patch)
tree30b45d2b58931e12d7d28c48548e41aa4330fc76 /fs/nfs/nfs4proc.c
parent5153aacfb8e2744af68e7b84ccd3f02aeefe4f48 (diff)
NFS: Get suppattr_exclcreat when getting server capabilities
Create file with attributs as NFS4_CREATE_EXCLUSIVE4_1 mode depends on suppattr_exclcreat attribut. v3, same as v2. Signed-off-by: Kinglong Mee <kinglongmee@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 4687661bfbdc..a6a28d45cca4 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2893,8 +2893,10 @@ static void nfs4_close_context(struct nfs_open_context *ctx, int is_sync)
static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle)
{
+ u32 bitmask[3] = {}, minorversion = server->nfs_client->cl_minorversion;
struct nfs4_server_caps_arg args = {
.fhandle = fhandle,
+ .bitmask = bitmask,
};
struct nfs4_server_caps_res res = {};
struct rpc_message msg = {
@@ -2904,10 +2906,18 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
};
int status;
+ bitmask[0] = FATTR4_WORD0_SUPPORTED_ATTRS |
+ FATTR4_WORD0_FH_EXPIRE_TYPE |
+ FATTR4_WORD0_LINK_SUPPORT |
+ FATTR4_WORD0_SYMLINK_SUPPORT |
+ FATTR4_WORD0_ACLSUPPORT;
+ if (minorversion)
+ bitmask[2] = FATTR4_WORD2_SUPPATTR_EXCLCREAT;
+
status = nfs4_call_sync(server->client, server, &msg, &args.seq_args, &res.seq_res, 0);
if (status == 0) {
/* Sanity check the server answers */
- switch (server->nfs_client->cl_minorversion) {
+ switch (minorversion) {
case 0:
res.attr_bitmask[1] &= FATTR4_WORD1_NFS40_MASK;
res.attr_bitmask[2] = 0;
@@ -2960,6 +2970,8 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
server->cache_consistency_bitmask[0] &= FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE;
server->cache_consistency_bitmask[1] &= FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY;
server->cache_consistency_bitmask[2] = 0;
+ memcpy(server->exclcreat_bitmask, res.exclcreat_bitmask,
+ sizeof(server->exclcreat_bitmask));
server->acl_bitmask = res.acl_bitmask;
server->fh_expire_type = res.fh_expire_type;
}