fs/9p: Add v9fs_dentry2v9ses

Add the new static inline and use the same

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>

6 files changed, 16 insertions, 11 deletions

diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 515455296378..33aa116732c8 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -262,7 +262,7 @@ static int v9fs_xattr_get_acl(struct dentry *dentry, const char *name,
         if (strcmp(name, "") != 0)
                 return -EINVAL;
 
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         /*
          * We allow set/get/list of acl when access=client is not specified
          */
@@ -312,7 +312,7 @@ static int v9fs_xattr_set_acl(struct dentry *dentry, const char *name,
         if (strcmp(name, "") != 0)
                 return -EINVAL;
 
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         /*
          * set the attribute on the remote. Without even looking at the
          * xattr value. We leave it to the server to validate
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 99a1a7b08634..0ee594569dcc 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -134,7 +134,7 @@ static struct p9_fid *v9fs_fid_lookup_with_uid(struct dentry *dentry,
         struct v9fs_session_info *v9ses;
         struct p9_fid *fid, *old_fid = NULL;
 
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         access = v9ses->flags & V9FS_ACCESS_MASK;
         fid = v9fs_fid_find(dentry, uid, any);
         if (fid)
@@ -237,7 +237,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
         int  any, access;
         struct v9fs_session_info *v9ses;
 
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         access = v9ses->flags & V9FS_ACCESS_MASK;
         switch (access) {
         case V9FS_ACCESS_SINGLE:
@@ -290,7 +290,7 @@ struct p9_fid *v9fs_writeback_fid(struct dentry *dentry)
         struct p9_fid *fid;
         struct v9fs_session_info *v9ses;
 
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         fid = v9fs_fid_clone_with_uid(dentry, 0);
         if (IS_ERR(fid))
                 goto error_out;
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 89657e865162..9665c2b840e6 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -174,6 +174,11 @@ static inline struct v9fs_session_info *v9fs_inode2v9ses(struct inode *inode)
         return (inode->i_sb->s_fs_info);
 }
 
+static inline struct v9fs_session_info *v9fs_dentry2v9ses(struct dentry *dentry)
+{
+        return dentry->d_sb->s_fs_info;
+}
+
 static inline int v9fs_proto_dotu(struct v9fs_session_info *v9ses)
 {
         return v9ses->flags & V9FS_PROTO_2000U;
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 774a20af01ea..7f6c67703195 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -936,7 +936,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
 
         P9_DPRINTK(P9_DEBUG_VFS, "dentry: %p\n", dentry);
         err = -EPERM;
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
                 generic_fillattr(dentry->d_inode, stat);
                 return 0;
@@ -977,7 +977,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
                 return retval;
 
         retval = -EPERM;
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         fid = v9fs_fid_lookup(dentry);
         if(IS_ERR(fid))
                 return PTR_ERR(fid);
@@ -1139,7 +1139,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
 
         P9_DPRINTK(P9_DEBUG_VFS, " %s\n", dentry->d_name.name);
         retval = -EPERM;
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         fid = v9fs_fid_lookup(dentry);
         if (IS_ERR(fid))
                 return PTR_ERR(fid);
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 8b616dc3567a..ffbb113d5f33 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -395,7 +395,7 @@ v9fs_vfs_getattr_dotl(struct vfsmount *mnt, struct dentry *dentry,
 
         P9_DPRINTK(P9_DEBUG_VFS, "dentry: %p\n", dentry);
         err = -EPERM;
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
                 generic_fillattr(dentry->d_inode, stat);
                 return 0;
@@ -452,7 +452,7 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
         p9attr.mtime_nsec = iattr->ia_mtime.tv_nsec;
 
         retval = -EPERM;
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         fid = v9fs_fid_lookup(dentry);
         if (IS_ERR(fid))
                 return PTR_ERR(fid);
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 09fd08d1606f..f3eed3383e4f 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -262,7 +262,7 @@ static int v9fs_statfs(struct dentry *dentry, struct kstatfs *buf)
                 goto done;
         }
 
-        v9ses = v9fs_inode2v9ses(dentry->d_inode);
+        v9ses = v9fs_dentry2v9ses(dentry);
         if (v9fs_proto_dotl(v9ses)) {
                 res = p9_client_statfs(fid, &rs);
                 if (res == 0) {