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authorMalahal Naineni <malahal@us.ibm.com>2014-01-23 15:54:55 +0100
committerTrond Myklebust <trond.myklebust@primarydata.com>2014-01-27 17:54:35 +0100
commit7dd7d95916fe7c8494aa8708204d5a2b8689d270 (patch)
tree80988537136637de0e411ee776ec9e22ab9f4f5c /fs
parentpnfs: Proper delay for NFS4ERR_RECALLCONFLICT in layout_get_done (diff)
downloadlinux-7dd7d95916fe7c8494aa8708204d5a2b8689d270.tar.xz
linux-7dd7d95916fe7c8494aa8708204d5a2b8689d270.zip
nfs: handle servers that support only ALLOW ACE type.
Currently we support ACLs if the NFS server file system supports both ALLOW and DENY ACE types. This patch makes the Linux client work with ACLs even if the server supports only 'ALLOW' ACE type. Signed-off-by: Malahal Naineni <malahal@us.ibm.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfs/nfs4proc.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a1965329a12c..ed10d0d4f860 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2744,7 +2744,8 @@ static int _nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *f
NFS_CAP_OWNER_GROUP|NFS_CAP_ATIME|
NFS_CAP_CTIME|NFS_CAP_MTIME|
NFS_CAP_SECURITY_LABEL);
- if (res.attr_bitmask[0] & FATTR4_WORD0_ACL)
+ if (res.attr_bitmask[0] & FATTR4_WORD0_ACL &&
+ res.acl_bitmask & ACL4_SUPPORT_ALLOW_ACL)
server->caps |= NFS_CAP_ACLS;
if (res.has_links != 0)
server->caps |= NFS_CAP_HARDLINKS;
@@ -4321,9 +4322,7 @@ static int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred)
static inline int nfs4_server_supports_acls(struct nfs_server *server)
{
- return (server->caps & NFS_CAP_ACLS)
- && (server->acl_bitmask & ACL4_SUPPORT_ALLOW_ACL)
- && (server->acl_bitmask & ACL4_SUPPORT_DENY_ACL);
+ return server->caps & NFS_CAP_ACLS;
}
/* Assuming that XATTR_SIZE_MAX is a multiple of PAGE_SIZE, and that