ceph: add feature bits to connection handshake (protocol change)

Define supported and required feature set.  Fail connection if the server
requires features we do not support (TAG_FEATURES), or if the server does
not support features we require.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 6 insertions, 6 deletions

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index fde839c61236..5107384ee029 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -1135,9 +1135,9 @@ void ceph_dentry_lru_add(struct dentry *dn)
 {
         struct ceph_dentry_info *di = ceph_dentry(dn);
         struct ceph_mds_client *mdsc;
-        dout("dentry_lru_add %p %p\t%.*s\n",
-                        di, dn, dn->d_name.len, dn->d_name.name);
 
+        dout("dentry_lru_add %p %p '%.*s'\n", di, dn,
+             dn->d_name.len, dn->d_name.name);
         if (di) {
                 mdsc = &ceph_client(dn->d_sb)->mdsc;
                 spin_lock(&mdsc->dentry_lru_lock);
@@ -1151,9 +1151,9 @@ void ceph_dentry_lru_touch(struct dentry *dn)
 {
         struct ceph_dentry_info *di = ceph_dentry(dn);
         struct ceph_mds_client *mdsc;
-        dout("dentry_lru_touch %p %p\t%.*s\n",
-                        di, dn, dn->d_name.len, dn->d_name.name);
 
+        dout("dentry_lru_touch %p %p '%.*s'\n", di, dn,
+             dn->d_name.len, dn->d_name.name);
         if (di) {
                 mdsc = &ceph_client(dn->d_sb)->mdsc;
                 spin_lock(&mdsc->dentry_lru_lock);
@@ -1167,8 +1167,8 @@ void ceph_dentry_lru_del(struct dentry *dn)
         struct ceph_dentry_info *di = ceph_dentry(dn);
         struct ceph_mds_client *mdsc;
 
-        dout("dentry_lru_del %p %p\t%.*s\n",
-                        di, dn, dn->d_name.len, dn->d_name.name);
+        dout("dentry_lru_del %p %p '%.*s'\n", di, dn,
+             dn->d_name.len, dn->d_name.name);
         if (di) {
                 mdsc = &ceph_client(dn->d_sb)->mdsc;
                 spin_lock(&mdsc->dentry_lru_lock);