switch xattr_handler->set() to passing dentry and inode separately

preparation for similar switch in ->setxattr() (see the next commit for
rationale).
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>

fs/9p/acl.c

@@ -239,13 +239,13 @@ static int v9fs_xattr_get_acl(const struct xattr_handler *handler,
 }
 
 static int v9fs_xattr_set_acl(const struct xattr_handler *handler,
-			      struct dentry *dentry, const char *name,
-			      const void *value, size_t size, int flags)
+			      struct dentry *dentry, struct inode *inode,
+			      const char *name, const void *value,
+			      size_t size, int flags)
 {
 	int retval;
 	struct posix_acl *acl;
 	struct v9fs_session_info *v9ses;
-	struct inode *inode = d_inode(dentry);
 
 	v9ses = v9fs_dentry2v9ses(dentry);
 	/*

fs/9p/xattr.c

@@ -147,8 +147,9 @@ static int v9fs_xattr_handler_get(const struct xattr_handler *handler,
 }
 
 static int v9fs_xattr_handler_set(const struct xattr_handler *handler,
-				  struct dentry *dentry, const char *name,
-				  const void *value, size_t size, int flags)
+				  struct dentry *dentry, struct inode *inode,
+				  const char *name, const void *value,
+				  size_t size, int flags)
 {
 	const char *full_name = xattr_full_name(handler, name);
 

fs/btrfs/xattr.c

@@ -380,23 +380,21 @@ static int btrfs_xattr_handler_get(const struct xattr_handler *handler,
 }
 
 static int btrfs_xattr_handler_set(const struct xattr_handler *handler,
-				   struct dentry *dentry, const char *name,
-				   const void *buffer, size_t size,
-				   int flags)
+				   struct dentry *unused, struct inode *inode,
+				   const char *name, const void *buffer,
+				   size_t size, int flags)
 {
-	struct inode *inode = d_inode(dentry);
-
 	name = xattr_full_name(handler, name);
 	return __btrfs_setxattr(NULL, inode, name, buffer, size, flags);
 }
 
 static int btrfs_xattr_handler_set_prop(const struct xattr_handler *handler,
-					struct dentry *dentry,
+					struct dentry *unused, struct inode *inode,
 					const char *name, const void *value,
 					size_t size, int flags)
 {
 	name = xattr_full_name(handler, name);
-	return btrfs_set_prop(d_inode(dentry), name, value, size, flags);
+	return btrfs_set_prop(inode, name, value, size, flags);
 }
 
 static const struct xattr_handler btrfs_security_xattr_handler = {

fs/ceph/xattr.c

@@ -1051,12 +1051,13 @@ static int ceph_get_xattr_handler(const struct xattr_handler *handler,
 }
 
 static int ceph_set_xattr_handler(const struct xattr_handler *handler,
-				  struct dentry *dentry, const char *name,
-				  const void *value, size_t size, int flags)
+				  struct dentry *unused, struct inode *inode,
+				  const char *name, const void *value,
+				  size_t size, int flags)
 {
 	if (!ceph_is_valid_xattr(name))
 		return -EOPNOTSUPP;
-	return __ceph_setxattr(d_inode(dentry), name, value, size, flags);
+	return __ceph_setxattr(inode, name, value, size, flags);
 }
 
 const struct xattr_handler ceph_other_xattr_handler = {

fs/cifs/xattr.c

@@ -39,8 +39,9 @@
 enum { XATTR_USER, XATTR_CIFS_ACL, XATTR_ACL_ACCESS, XATTR_ACL_DEFAULT };
 
 static int cifs_xattr_set(const struct xattr_handler *handler,
-			  struct dentry *dentry, const char *name,
-			  const void *value, size_t size, int flags)
+			  struct dentry *dentry, struct inode *inode,
+			  const char *name, const void *value,
+			  size_t size, int flags)
 {
 	int rc = -EOPNOTSUPP;
 	unsigned int xid;
@@ -99,12 +100,12 @@ static int cifs_xattr_set(const struct xattr_handler *handler,
 			if (value &&
 			    pTcon->ses->server->ops->set_acl)
 				rc = pTcon->ses->server->ops->set_acl(pacl,
-						size, d_inode(dentry),
+						size, inode,
 						full_path, CIFS_ACL_DACL);
 			else
 				rc = -EOPNOTSUPP;
 			if (rc == 0) /* force revalidate of the inode */
-				CIFS_I(d_inode(dentry))->time = 0;
+				CIFS_I(inode)->time = 0;
 			kfree(pacl);
 		}
 #endif /* CONFIG_CIFS_ACL */

fs/ext2/xattr_security.c

@@ -18,10 +18,11 @@ ext2_xattr_security_get(const struct xattr_handler *handler,
 
 static int
 ext2_xattr_security_set(const struct xattr_handler *handler,
-			struct dentry *dentry, const char *name,
-			const void *value, size_t size, int flags)
+			struct dentry *unused, struct inode *inode,
+			const char *name, const void *value,
+			size_t size, int flags)
 {
-	return ext2_xattr_set(d_inode(dentry), EXT2_XATTR_INDEX_SECURITY, name,
+	return ext2_xattr_set(inode, EXT2_XATTR_INDEX_SECURITY, name,
 			      value, size, flags);
 }
 

fs/ext2/xattr_trusted.c

@@ -25,10 +25,11 @@ ext2_xattr_trusted_get(const struct xattr_handler *handler,
 
 static int
 ext2_xattr_trusted_set(const struct xattr_handler *handler,
-		       struct dentry *dentry, const char *name,
-		       const void *value, size_t size, int flags)
+		       struct dentry *unused, struct inode *inode,
+		       const char *name, const void *value,
+		       size_t size, int flags)
 {
-	return ext2_xattr_set(d_inode(dentry), EXT2_XATTR_INDEX_TRUSTED, name,
+	return ext2_xattr_set(inode, EXT2_XATTR_INDEX_TRUSTED, name,
 			      value, size, flags);
 }
 

fs/ext2/xattr_user.c

@@ -29,13 +29,14 @@ ext2_xattr_user_get(const struct xattr_handler *handler,
 
 static int
 ext2_xattr_user_set(const struct xattr_handler *handler,
-		    struct dentry *dentry, const char *name,
-		    const void *value, size_t size, int flags)
+		    struct dentry *unused, struct inode *inode,
+		    const char *name, const void *value,
+		    size_t size, int flags)
 {
-	if (!test_opt(dentry->d_sb, XATTR_USER))
+	if (!test_opt(inode->i_sb, XATTR_USER))
 		return -EOPNOTSUPP;
 
-	return ext2_xattr_set(d_inode(dentry), EXT2_XATTR_INDEX_USER,
+	return ext2_xattr_set(inode, EXT2_XATTR_INDEX_USER,
 			      name, value, size, flags);
 }
 

fs/ext4/xattr_security.c

@@ -22,10 +22,11 @@ ext4_xattr_security_get(const struct xattr_handler *handler,
 
 static int
 ext4_xattr_security_set(const struct xattr_handler *handler,
-			struct dentry *dentry, const char *name,
-			const void *value, size_t size, int flags)
+			struct dentry *unused, struct inode *inode,
+			const char *name, const void *value,
+			size_t size, int flags)
 {
-	return ext4_xattr_set(d_inode(dentry), EXT4_XATTR_INDEX_SECURITY,
+	return ext4_xattr_set(inode, EXT4_XATTR_INDEX_SECURITY,
 			      name, value, size, flags);
 }
 

fs/ext4/xattr_trusted.c

@@ -29,10 +29,11 @@ ext4_xattr_trusted_get(const struct xattr_handler *handler,
 
 static int
 ext4_xattr_trusted_set(const struct xattr_handler *handler,
-		       struct dentry *dentry, const char *name,
-		       const void *value, size_t size, int flags)
+		       struct dentry *unused, struct inode *inode,
+		       const char *name, const void *value,
+		       size_t size, int flags)
 {
-	return ext4_xattr_set(d_inode(dentry), EXT4_XATTR_INDEX_TRUSTED,
+	return ext4_xattr_set(inode, EXT4_XATTR_INDEX_TRUSTED,
 			      name, value, size, flags);
 }
 

fs/ext4/xattr_user.c

@@ -30,12 +30,13 @@ ext4_xattr_user_get(const struct xattr_handler *handler,
 
 static int
 ext4_xattr_user_set(const struct xattr_handler *handler,
-		    struct dentry *dentry, const char *name,
-		    const void *value, size_t size, int flags)
+		    struct dentry *unused, struct inode *inode,
+		    const char *name, const void *value,
+		    size_t size, int flags)
 {
-	if (!test_opt(dentry->d_sb, XATTR_USER))
+	if (!test_opt(inode->i_sb, XATTR_USER))
 		return -EOPNOTSUPP;
-	return ext4_xattr_set(d_inode(dentry), EXT4_XATTR_INDEX_USER,
+	return ext4_xattr_set(inode, EXT4_XATTR_INDEX_USER,
 			      name, value, size, flags);
 }
 

fs/f2fs/xattr.c

@@ -50,10 +50,11 @@ static int f2fs_xattr_generic_get(const struct xattr_handler *handler,
 }
 
 static int f2fs_xattr_generic_set(const struct xattr_handler *handler,
-		struct dentry *dentry, const char *name, const void *value,
+		struct dentry *unused, struct inode *inode,
+		const char *name, const void *value,
 		size_t size, int flags)
 {
-	struct f2fs_sb_info *sbi = F2FS_SB(dentry->d_sb);
+	struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
 
 	switch (handler->flags) {
 	case F2FS_XATTR_INDEX_USER:
@@ -69,7 +70,7 @@ static int f2fs_xattr_generic_set(const struct xattr_handler *handler,
 	default:
 		return -EINVAL;
 	}
-	return f2fs_setxattr(d_inode(dentry), handler->flags, name,
+	return f2fs_setxattr(inode, handler->flags, name,
 					value, size, NULL, flags);
 }
 
@@ -95,11 +96,10 @@ static int f2fs_xattr_advise_get(const struct xattr_handler *handler,
 }
 
 static int f2fs_xattr_advise_set(const struct xattr_handler *handler,
-		struct dentry *dentry, const char *name, const void *value,
+		struct dentry *unused, struct inode *inode,
+		const char *name, const void *value,
 		size_t size, int flags)
 {
-	struct inode *inode = d_inode(dentry);
-
 	if (!inode_owner_or_capable(inode))
 		return -EPERM;
 	if (value == NULL)

fs/gfs2/xattr.c

@@ -1251,10 +1251,10 @@ int __gfs2_xattr_set(struct inode *inode, const char *name,
 }
 
 static int gfs2_xattr_set(const struct xattr_handler *handler,
-			  struct dentry *dentry, const char *name,
-			  const void *value, size_t size, int flags)
+			  struct dentry *unused, struct inode *inode,
+			  const char *name, const void *value,
+			  size_t size, int flags)
 {
-	struct inode *inode = d_inode(dentry);
 	struct gfs2_inode *ip = GFS2_I(inode);
 	struct gfs2_holder gh;
 	int ret;

fs/hfsplus/xattr.c

@@ -424,7 +424,7 @@ static int copy_name(char *buffer, const char *xattr_name, int name_len)
 	return len;
 }
 
-int hfsplus_setxattr(struct dentry *dentry, const char *name,
+int hfsplus_setxattr(struct inode *inode, const char *name,
 		     const void *value, size_t size, int flags,
 		     const char *prefix, size_t prefixlen)
 {
@@ -437,8 +437,7 @@ int hfsplus_setxattr(struct dentry *dentry, const char *name,
 		return -ENOMEM;
 	strcpy(xattr_name, prefix);
 	strcpy(xattr_name + prefixlen, name);
-	res = __hfsplus_setxattr(d_inode(dentry), xattr_name, value, size,
-				 flags);
+	res = __hfsplus_setxattr(inode, xattr_name, value, size, flags);
 	kfree(xattr_name);
 	return res;
 }
@@ -864,8 +863,9 @@ static int hfsplus_osx_getxattr(const struct xattr_handler *handler,
 }
 
 static int hfsplus_osx_setxattr(const struct xattr_handler *handler,
-				struct dentry *dentry, const char *name,
-				const void *buffer, size_t size, int flags)
+				struct dentry *unused, struct inode *inode,
+				const char *name, const void *buffer,
+				size_t size, int flags)
 {
 	/*
 	 * Don't allow setting properly prefixed attributes
@@ -880,7 +880,7 @@ static int hfsplus_osx_setxattr(const struct xattr_handler *handler,
 	 * creates), so we pass the name through unmodified (after
 	 * ensuring it doesn't conflict with another namespace).
 	 */
-	return __hfsplus_setxattr(d_inode(dentry), name, buffer, size, flags);
+	return __hfsplus_setxattr(inode, name, buffer, size, flags);
 }
 
 const struct xattr_handler hfsplus_xattr_osx_handler = {

fs/hfsplus/xattr.h

@@ -21,7 +21,7 @@ extern const struct xattr_handler *hfsplus_xattr_handlers[];
 int __hfsplus_setxattr(struct inode *inode, const char *name,
 			const void *value, size_t size, int flags);
 
-int hfsplus_setxattr(struct dentry *dentry, const char *name,
+int hfsplus_setxattr(struct inode *inode, const char *name,
 				   const void *value, size_t size, int flags,
 				   const char *prefix, size_t prefixlen);
 

fs/hfsplus/xattr_security.c

@@ -23,10 +23,11 @@ static int hfsplus_security_getxattr(const struct xattr_handler *handler,
 }
 
 static int hfsplus_security_setxattr(const struct xattr_handler *handler,
-				     struct dentry *dentry, const char *name,
-				     const void *buffer, size_t size, int flags)
+				     struct dentry *unused, struct inode *inode,
+				     const char *name, const void *buffer,
+				     size_t size, int flags)
 {
-	return hfsplus_setxattr(dentry, name, buffer, size, flags,
+	return hfsplus_setxattr(inode, name, buffer, size, flags,
 				XATTR_SECURITY_PREFIX,
 				XATTR_SECURITY_PREFIX_LEN);
 }

fs/hfsplus/xattr_trusted.c

@@ -21,10 +21,11 @@ static int hfsplus_trusted_getxattr(const struct xattr_handler *handler,
 }
 
 static int hfsplus_trusted_setxattr(const struct xattr_handler *handler,
-				    struct dentry *dentry, const char *name,
-				    const void *buffer, size_t size, int flags)
+				    struct dentry *unused, struct inode *inode,
+				    const char *name, const void *buffer,
+				    size_t size, int flags)
 {
-	return hfsplus_setxattr(dentry, name, buffer, size, flags,
+	return hfsplus_setxattr(inode, name, buffer, size, flags,
 				XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN);
 }
 

fs/hfsplus/xattr_user.c

@@ -21,10 +21,11 @@ static int hfsplus_user_getxattr(const struct xattr_handler *handler,
 }
 
 static int hfsplus_user_setxattr(const struct xattr_handler *handler,
-				 struct dentry *dentry, const char *name,
-				 const void *buffer, size_t size, int flags)
+				 struct dentry *unused, struct inode *inode,
+				 const char *name, const void *buffer,
+				 size_t size, int flags)
 {
-	return hfsplus_setxattr(dentry, name, buffer, size, flags,
+	return hfsplus_setxattr(inode, name, buffer, size, flags,
 				XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
 }
 

fs/jffs2/security.c

@@ -57,10 +57,11 @@ static int jffs2_security_getxattr(const struct xattr_handler *handler,
 }
 
 static int jffs2_security_setxattr(const struct xattr_handler *handler,
-				   struct dentry *dentry, const char *name,
-				   const void *buffer, size_t size, int flags)
+				   struct dentry *unused, struct inode *inode,
+				   const char *name, const void *buffer,
+				   size_t size, int flags)
 {
-	return do_jffs2_setxattr(d_inode(dentry), JFFS2_XPREFIX_SECURITY,
+	return do_jffs2_setxattr(inode, JFFS2_XPREFIX_SECURITY,
 				 name, buffer, size, flags);
 }
 

fs/jffs2/xattr_trusted.c

@@ -25,10 +25,11 @@ static int jffs2_trusted_getxattr(const struct xattr_handler *handler,
 }
 
 static int jffs2_trusted_setxattr(const struct xattr_handler *handler,
-				  struct dentry *dentry, const char *name,
-				  const void *buffer, size_t size, int flags)
+				  struct dentry *unused, struct inode *inode,
+				  const char *name, const void *buffer,
+				  size_t size, int flags)
 {
-	return do_jffs2_setxattr(d_inode(dentry), JFFS2_XPREFIX_TRUSTED,
+	return do_jffs2_setxattr(inode, JFFS2_XPREFIX_TRUSTED,
 				 name, buffer, size, flags);
 }
 

fs/jffs2/xattr_user.c

@@ -25,10 +25,11 @@ static int jffs2_user_getxattr(const struct xattr_handler *handler,
 }
 
 static int jffs2_user_setxattr(const struct xattr_handler *handler,
-			       struct dentry *dentry, const char *name,
-			       const void *buffer, size_t size, int flags)
+			       struct dentry *unused, struct inode *inode,
+			       const char *name, const void *buffer,
+			       size_t size, int flags)
 {
-	return do_jffs2_setxattr(d_inode(dentry), JFFS2_XPREFIX_USER,
+	return do_jffs2_setxattr(inode, JFFS2_XPREFIX_USER,
 				 name, buffer, size, flags);
 }
 

fs/jfs/xattr.c

@@ -943,11 +943,10 @@ static int jfs_xattr_get(const struct xattr_handler *handler,
 }
 
 static int jfs_xattr_set(const struct xattr_handler *handler,
-			 struct dentry *dentry, const char *name,
-			 const void *value, size_t size, int flags)
+			 struct dentry *unused, struct inode *inode,
+			 const char *name, const void *value,
+			 size_t size, int flags)
 {
-	struct inode *inode = d_inode(dentry);
-
 	name = xattr_full_name(handler, name);
 	return __jfs_xattr_set(inode, name, value, size, flags);
 }
@@ -962,11 +961,10 @@ static int jfs_xattr_get_os2(const struct xattr_handler *handler,
 }
 
 static int jfs_xattr_set_os2(const struct xattr_handler *handler,
-			     struct dentry *dentry, const char *name,
-			     const void *value, size_t size, int flags)
+			     struct dentry *unused, struct inode *inode,
+			     const char *name, const void *value,
+			     size_t size, int flags)
 {
-	struct inode *inode = d_inode(dentry);
-
 	if (is_known_namespace(name))
 		return -EOPNOTSUPP;
 	return __jfs_xattr_set(inode, name, value, size, flags);

fs/nfs/nfs4proc.c

@@ -4993,12 +4993,11 @@ static int nfs4_do_set_security_label(struct inode *inode,
 }
 
 static int
-nfs4_set_security_label(struct dentry *dentry, const void *buf, size_t buflen)
+nfs4_set_security_label(struct inode *inode, const void *buf, size_t buflen)
 {
 	struct nfs4_label ilabel, *olabel = NULL;
 	struct nfs_fattr fattr;
 	struct rpc_cred *cred;
-	struct inode *inode = d_inode(dentry);
 	int status;
 
 	if (!nfs_server_capable(inode, NFS_CAP_SECURITY_LABEL))
@@ -6255,11 +6254,11 @@ nfs4_release_lockowner(struct nfs_server *server, struct nfs4_lock_state *lsp)
 #define XATTR_NAME_NFSV4_ACL "system.nfs4_acl"
 
 static int nfs4_xattr_set_nfs4_acl(const struct xattr_handler *handler,
-				   struct dentry *dentry, const char *key,
-				   const void *buf, size_t buflen,
-				   int flags)
+				   struct dentry *unused, struct inode *inode,
+				   const char *key, const void *buf,
+				   size_t buflen, int flags)
 {
-	return nfs4_proc_set_acl(d_inode(dentry), buf, buflen);
+	return nfs4_proc_set_acl(inode, buf, buflen);
 }
 
 static int nfs4_xattr_get_nfs4_acl(const struct xattr_handler *handler,
@@ -6277,12 +6276,12 @@ static bool nfs4_xattr_list_nfs4_acl(struct dentry *dentry)
 #ifdef CONFIG_NFS_V4_SECURITY_LABEL
 
 static int nfs4_xattr_set_nfs4_label(const struct xattr_handler *handler,
-				     struct dentry *dentry, const char *key,
-				     const void *buf, size_t buflen,
-				     int flags)
+				     struct dentry *unused, struct inode *inode,
+				     const char *key, const void *buf,
+				     size_t buflen, int flags)
 {
 	if (security_ismaclabel(key))
-		return nfs4_set_security_label(dentry, buf, buflen);
+		return nfs4_set_security_label(inode, buf, buflen);
 
 	return -EOPNOTSUPP;
 }

fs/ocfs2/xattr.c

@@ -7254,10 +7254,11 @@ static int ocfs2_xattr_security_get(const struct xattr_handler *handler,
 }
 
 static int ocfs2_xattr_security_set(const struct xattr_handler *handler,
-				    struct dentry *dentry, const char *name,
-				    const void *value, size_t size, int flags)
+				    struct dentry *unused, struct inode *inode,
+				    const char *name, const void *value,
+				    size_t size, int flags)
 {
-	return ocfs2_xattr_set(d_inode(dentry), OCFS2_XATTR_INDEX_SECURITY,
+	return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_SECURITY,
 			       name, value, size, flags);
 }
 
@@ -7325,10 +7326,11 @@ static int ocfs2_xattr_trusted_get(const struct xattr_handler *handler,
 }
 
 static int ocfs2_xattr_trusted_set(const struct xattr_handler *handler,
-				   struct dentry *dentry, const char *name,
-				   const void *value, size_t size, int flags)
+				   struct dentry *unused, struct inode *inode,
+				   const char *name, const void *value,
+				   size_t size, int flags)
 {
-	return ocfs2_xattr_set(d_inode(dentry), OCFS2_XATTR_INDEX_TRUSTED,
+	return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_TRUSTED,
 			       name, value, size, flags);
 }
 
@@ -7354,15 +7356,16 @@ static int ocfs2_xattr_user_get(const struct xattr_handler *handler,
 }
 
 static int ocfs2_xattr_user_set(const struct xattr_handler *handler,
-				struct dentry *dentry, const char *name,
-				const void *value, size_t size, int flags)
+				struct dentry *unused, struct inode *inode,
+				const char *name, const void *value,
+				size_t size, int flags)
 {
-	struct ocfs2_super *osb = OCFS2_SB(dentry->d_sb);
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 
 	if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR)
 		return -EOPNOTSUPP;
 
-	return ocfs2_xattr_set(d_inode(dentry), OCFS2_XATTR_INDEX_USER,
+	return ocfs2_xattr_set(inode, OCFS2_XATTR_INDEX_USER,
 			       name, value, size, flags);
 }
 

fs/orangefs/xattr.c

@@ -448,13 +448,14 @@ ssize_t orangefs_listxattr(struct dentry *dentry, char *buffer, size_t size)
 }
 
 static int orangefs_xattr_set_default(const struct xattr_handler *handler,
-				      struct dentry *dentry,
+				      struct dentry *unused,
+				      struct inode *inode,
 				      const char *name,
 				      const void *buffer,
 				      size_t size,
 				      int flags)
 {
-	return orangefs_inode_setxattr(dentry->d_inode,
+	return orangefs_inode_setxattr(inode,
 				    ORANGEFS_XATTR_NAME_DEFAULT_PREFIX,
 				    name,
 				    buffer,
@@ -478,13 +479,14 @@ static int orangefs_xattr_get_default(const struct xattr_handler *handler,
 }
 
 static int orangefs_xattr_set_trusted(const struct xattr_handler *handler,
-				     struct dentry *dentry,
+				     struct dentry *unused,
+				     struct inode *inode,
 				     const char *name,
 				     const void *buffer,
 				     size_t size,
 				     int flags)
 {
-	return orangefs_inode_setxattr(dentry->d_inode,
+	return orangefs_inode_setxattr(inode,
 				    ORANGEFS_XATTR_NAME_TRUSTED_PREFIX,
 				    name,
 				    buffer,

fs/posix_acl.c

@@ -822,10 +822,10 @@ posix_acl_xattr_get(const struct xattr_handler *handler,
 
 static int
 posix_acl_xattr_set(const struct xattr_handler *handler,
-		    struct dentry *dentry, const char *name,
-		    const void *value, size_t size, int flags)
+		    struct dentry *unused, struct inode *inode,
+		    const char *name, const void *value,
+		    size_t size, int flags)
 {
-	struct inode *inode = d_backing_inode(dentry);
 	struct posix_acl *acl = NULL;
 	int ret;
 

fs/reiserfs/xattr_security.c

@@ -20,13 +20,14 @@ security_get(const struct xattr_handler *handler, struct dentry *unused,
 }
 
 static int
-security_set(const struct xattr_handler *handler, struct dentry *dentry,
-	     const char *name, const void *buffer, size_t size, int flags)
+security_set(const struct xattr_handler *handler, struct dentry *unused,
+	     struct inode *inode, const char *name, const void *buffer,
+	     size_t size, int flags)
 {
-	if (IS_PRIVATE(d_inode(dentry)))
+	if (IS_PRIVATE(inode))
 		return -EPERM;
 
-	return reiserfs_xattr_set(d_inode(dentry),
+	return reiserfs_xattr_set(inode,
 				  xattr_full_name(handler, name),
 				  buffer, size, flags);
 }

fs/reiserfs/xattr_trusted.c

@@ -19,13 +19,14 @@ trusted_get(const struct xattr_handler *handler, struct dentry *unused,
 }
 
 static int
-trusted_set(const struct xattr_handler *handler, struct dentry *dentry,
-	    const char *name, const void *buffer, size_t size, int flags)
+trusted_set(const struct xattr_handler *handler, struct dentry *unused,
+	    struct inode *inode, const char *name, const void *buffer,
+	    size_t size, int flags)
 {
-	if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(d_inode(dentry)))
+	if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode))
 		return -EPERM;
 
-	return reiserfs_xattr_set(d_inode(dentry),
+	return reiserfs_xattr_set(inode,
 				  xattr_full_name(handler, name),
 				  buffer, size, flags);
 }

fs/reiserfs/xattr_user.c

@@ -17,12 +17,13 @@ user_get(const struct xattr_handler *handler, struct dentry *unused,
 }
 
 static int
-user_set(const struct xattr_handler *handler, struct dentry *dentry,
-	 const char *name, const void *buffer, size_t size, int flags)
+user_set(const struct xattr_handler *handler, struct dentry *unused,
+	 struct inode *inode, const char *name, const void *buffer,
+	 size_t size, int flags)
 {
-	if (!reiserfs_xattrs_user(dentry->d_sb))
+	if (!reiserfs_xattrs_user(inode->i_sb))
 		return -EOPNOTSUPP;
-	return reiserfs_xattr_set(d_inode(dentry),
+	return reiserfs_xattr_set(inode,
 				  xattr_full_name(handler, name),
 				  buffer, size, flags);
 }

fs/ubifs/xattr.c

@@ -579,11 +579,10 @@ static int ubifs_xattr_get(const struct xattr_handler *handler,
 }
 
 static int ubifs_xattr_set(const struct xattr_handler *handler,
-			   struct dentry *dentry, const char *name,
-			   const void *value, size_t size, int flags)
+			   struct dentry *dentry, struct inode *inode,
+			   const char *name, const void *value,
+			   size_t size, int flags)
 {
-	struct inode *inode = d_inode(dentry);
-
 	dbg_gen("xattr '%s', host ino %lu ('%pd'), size %zd",
 		name, inode->i_ino, dentry, size);
 

fs/xattr.c

@@ -754,7 +754,8 @@ generic_setxattr(struct dentry *dentry, const char *name, const void *value, siz
 	handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name);
 	if (IS_ERR(handler))
 		return PTR_ERR(handler);
-	return handler->set(handler, dentry, name, value, size, flags);
+	return handler->set(handler, dentry, d_inode(dentry), name, value,
+			    size, flags);
 }
 
 /*
@@ -769,7 +770,8 @@ generic_removexattr(struct dentry *dentry, const char *name)
 	handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name);
 	if (IS_ERR(handler))
 		return PTR_ERR(handler);
-	return handler->set(handler, dentry, name, NULL, 0, XATTR_REPLACE);
+	return handler->set(handler, dentry, d_inode(dentry), name, NULL,
+			    0, XATTR_REPLACE);
 }
 
 EXPORT_SYMBOL(generic_getxattr);

fs/xfs/xfs_xattr.c

@@ -74,11 +74,12 @@ xfs_forget_acl(
 }
 
 static int
-xfs_xattr_set(const struct xattr_handler *handler, struct dentry *dentry,
-		const char *name, const void *value, size_t size, int flags)
+xfs_xattr_set(const struct xattr_handler *handler, struct dentry *unused,
+		struct inode *inode, const char *name, const void *value,
+		size_t size, int flags)
 {
 	int			xflags = handler->flags;
-	struct xfs_inode	*ip = XFS_I(d_inode(dentry));
+	struct xfs_inode	*ip = XFS_I(inode);
 	int			error;
 
 	/* Convert Linux syscall to XFS internal ATTR flags */
@@ -92,7 +93,7 @@ xfs_xattr_set(const struct xattr_handler *handler, struct dentry *dentry,
 	error = xfs_attr_set(ip, (unsigned char *)name,
 				(void *)value, size, xflags);
 	if (!error)
-		xfs_forget_acl(d_inode(dentry), name, xflags);
+		xfs_forget_acl(inode, name, xflags);
 
 	return error;
 }

include/linux/xattr.h

@@ -33,8 +33,8 @@ struct xattr_handler {
 		   struct inode *inode, const char *name, void *buffer,
 		   size_t size);
 	int (*set)(const struct xattr_handler *, struct dentry *dentry,
-		   const char *name, const void *buffer, size_t size,
-		   int flags);
+		   struct inode *inode, const char *name, const void *buffer,
+		   size_t size, int flags);
 };
 
 const char *xattr_full_name(const struct xattr_handler *, const char *);

mm/shmem.c

@@ -2645,10 +2645,11 @@ static int shmem_xattr_handler_get(const struct xattr_handler *handler,
 }
 
 static int shmem_xattr_handler_set(const struct xattr_handler *handler,
-				   struct dentry *dentry, const char *name,
-				   const void *value, size_t size, int flags)
+				   struct dentry *unused, struct inode *inode,
+				   const char *name, const void *value,
+				   size_t size, int flags)
 {
-	struct shmem_inode_info *info = SHMEM_I(d_inode(dentry));
+	struct shmem_inode_info *info = SHMEM_I(inode);
 
 	name = xattr_full_name(handler, name);
 	return simple_xattr_set(&info->xattrs, name, value, size, flags);