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| author | Kinglong Mee <kinglongmee@gmail.com> | 2015-08-26 21:12:58 +0800 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-08-27 19:45:27 -0400 |
| commit | 8c61282ff61c28d5a12bb53f0eaa221d30fd3ae1 (patch) | |
| tree | 30b45d2b58931e12d7d28c48548e41aa4330fc76 /fs/nfs/nfs4proc.c | |
| parent | 5153aacfb8e2744af68e7b84ccd3f02aeefe4f48 (diff) | |
| download | linux-8c61282ff61c28d5a12bb53f0eaa221d30fd3ae1.tar.bz2 | |
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.c | 14 |
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; } |