9P2010.L handshake: Add VFS flags

Add 9P2000.u and 9P2010.L protocol flags to V9FS VFS

This patch adds 9P2000.u and 9P2010.L protocol flags into V9FS VFS side code
and removes the single flag used for 'extended'.

Signed-off-by: Sripathi Kodi <sripathik@in.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

1 files changed, 15 insertions, 14 deletions

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index a407fa3388c..d3d3c3c2000 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -60,7 +60,7 @@ static int unixmode2p9mode(struct v9fs_session_info *v9ses, int mode)
         res = mode & 0777;
         if (S_ISDIR(mode))
                 res |= P9_DMDIR;
-        if (v9fs_extended(v9ses)) {
+        if (v9fs_proto_dotu(v9ses)) {
                 if (S_ISLNK(mode))
                         res |= P9_DMSYMLINK;
                 if (v9ses->nodev == 0) {
@@ -102,21 +102,21 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode)
 
         if ((mode & P9_DMDIR) == P9_DMDIR)
                 res |= S_IFDIR;
-        else if ((mode & P9_DMSYMLINK) && (v9fs_extended(v9ses)))
+        else if ((mode & P9_DMSYMLINK) && (v9fs_proto_dotu(v9ses)))
                 res |= S_IFLNK;
-        else if ((mode & P9_DMSOCKET) && (v9fs_extended(v9ses))
+        else if ((mode & P9_DMSOCKET) && (v9fs_proto_dotu(v9ses))
                  && (v9ses->nodev == 0))
                 res |= S_IFSOCK;
-        else if ((mode & P9_DMNAMEDPIPE) && (v9fs_extended(v9ses))
+        else if ((mode & P9_DMNAMEDPIPE) && (v9fs_proto_dotu(v9ses))
                  && (v9ses->nodev == 0))
                 res |= S_IFIFO;
-        else if ((mode & P9_DMDEVICE) && (v9fs_extended(v9ses))
+        else if ((mode & P9_DMDEVICE) && (v9fs_proto_dotu(v9ses))
                  && (v9ses->nodev == 0))
                 res |= S_IFBLK;
         else
                 res |= S_IFREG;
 
-        if (v9fs_extended(v9ses)) {
+        if (v9fs_proto_dotu(v9ses)) {
                 if ((mode & P9_DMSETUID) == P9_DMSETUID)
                         res |= S_ISUID;
 
@@ -265,7 +265,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
         case S_IFBLK:
         case S_IFCHR:
         case S_IFSOCK:
-                if (!v9fs_extended(v9ses)) {
+                if (!v9fs_proto_dotu(v9ses)) {
                         P9_DPRINTK(P9_DEBUG_ERROR,
                                    "special files without extended mode\n");
                         err = -EINVAL;
@@ -278,7 +278,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
                 inode->i_fop = &v9fs_file_operations;
                 break;
         case S_IFLNK:
-                if (!v9fs_extended(v9ses)) {
+                if (!v9fs_proto_dotu(v9ses)) {
                         P9_DPRINTK(P9_DEBUG_ERROR,
                                    "extended modes used w/o 9P2000.u\n");
                         err = -EINVAL;
@@ -288,7 +288,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
                 break;
         case S_IFDIR:
                 inc_nlink(inode);
-                if (v9fs_extended(v9ses))
+                if (v9fs_proto_dotu(v9ses))
                         inode->i_op = &v9fs_dir_inode_operations_ext;
                 else
                         inode->i_op = &v9fs_dir_inode_operations;
@@ -575,7 +575,8 @@ v9fs_vfs_create(struct inode *dir, struct dentry *dentry, int mode,
                 flags = O_RDWR;
 
         fid = v9fs_create(v9ses, dir, dentry, NULL, perm,
-                                v9fs_uflags2omode(flags, v9fs_extended(v9ses)));
+                                v9fs_uflags2omode(flags,
+                                                v9fs_proto_dotu(v9ses)));
         if (IS_ERR(fid)) {
                 err = PTR_ERR(fid);
                 fid = NULL;
@@ -858,7 +859,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
         if (iattr->ia_valid & ATTR_SIZE)
                 wstat.length = iattr->ia_size;
 
-        if (v9fs_extended(v9ses)) {
+        if (v9fs_proto_dotu(v9ses)) {
                 if (iattr->ia_valid & ATTR_UID)
                         wstat.n_uid = iattr->ia_uid;
 
@@ -897,7 +898,7 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
         inode->i_uid = v9ses->dfltuid;
         inode->i_gid = v9ses->dfltgid;
 
-        if (v9fs_extended(v9ses)) {
+        if (v9fs_proto_dotu(v9ses)) {
                 inode->i_uid = stat->n_uid;
                 inode->i_gid = stat->n_gid;
         }
@@ -976,7 +977,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
         if (IS_ERR(fid))
                 return PTR_ERR(fid);
 
-        if (!v9fs_extended(v9ses))
+        if (!v9fs_proto_dotu(v9ses))
                 return -EBADF;
 
         st = p9_client_stat(fid);
@@ -1066,7 +1067,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
         struct p9_fid *fid;
 
         v9ses = v9fs_inode2v9ses(dir);
-        if (!v9fs_extended(v9ses)) {
+        if (!v9fs_proto_dotu(v9ses)) {
                 P9_DPRINTK(P9_DEBUG_ERROR, "not extended\n");
                 return -EPERM;
         }