diff options
| -rw-r--r-- | fs/nfs/nfs4proc.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index b8ffbe52ba15..cd2fbde2e6d7 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3904,6 +3904,18 @@ static void nfs4_close_context(struct nfs_open_context *ctx, int is_sync) #define FATTR4_WORD2_NFS41_MASK (2*FATTR4_WORD2_SUPPATTR_EXCLCREAT - 1UL) #define FATTR4_WORD2_NFS42_MASK (2*FATTR4_WORD2_OPEN_ARGUMENTS - 1UL) +#define FATTR4_WORD2_NFS42_TIME_DELEG_MASK \ + (FATTR4_WORD2_TIME_DELEG_MODIFY|FATTR4_WORD2_TIME_DELEG_ACCESS) +static bool nfs4_server_delegtime_capable(struct nfs4_server_caps_res *res) +{ + u32 share_access_want = res->open_caps.oa_share_access_want[0]; + u32 attr_bitmask = res->attr_bitmask[2]; + + return (share_access_want & NFS4_SHARE_WANT_DELEG_TIMESTAMPS) && + ((attr_bitmask & FATTR4_WORD2_NFS42_TIME_DELEG_MASK) == + FATTR4_WORD2_NFS42_TIME_DELEG_MASK); +} + static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle) { u32 minorversion = server->nfs_client->cl_minorversion; @@ -3982,8 +3994,6 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f #endif if (res.attr_bitmask[0] & FATTR4_WORD0_FS_LOCATIONS) server->caps |= NFS_CAP_FS_LOCATIONS; - if (res.attr_bitmask[2] & FATTR4_WORD2_TIME_DELEG_MODIFY) - server->caps |= NFS_CAP_DELEGTIME; if (!(res.attr_bitmask[0] & FATTR4_WORD0_FILEID)) server->fattr_valid &= ~NFS_ATTR_FATTR_FILEID; if (!(res.attr_bitmask[1] & FATTR4_WORD1_MODE)) @@ -4011,6 +4021,8 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f if (res.open_caps.oa_share_access_want[0] & NFS4_SHARE_WANT_OPEN_XOR_DELEGATION) server->caps |= NFS_CAP_OPEN_XOR; + if (nfs4_server_delegtime_capable(&res)) + server->caps |= NFS_CAP_DELEGTIME; memcpy(server->cache_consistency_bitmask, res.attr_bitmask, sizeof(server->cache_consistency_bitmask)); server->cache_consistency_bitmask[0] &= FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE; |