don't pass superblock to hypfs_diag_create_files

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>

arch/s390/hypfs/hypfs.h

@@ -32,7 +32,7 @@ extern struct dentry *hypfs_create_str(struct super_block *sb,
 /* LPAR Hypervisor */
 extern int hypfs_diag_init(void);
 extern void hypfs_diag_exit(void);
-extern int hypfs_diag_create_files(struct super_block *sb, struct dentry *root);
+extern int hypfs_diag_create_files(struct dentry *root);
 
 /* VM Hypervisor */
 extern int hypfs_vm_init(void);

arch/s390/hypfs/hypfs_diag.c

@@ -623,8 +623,7 @@ void hypfs_diag_exit(void)
  * *******************************************
  */
 
-static int hypfs_create_cpu_files(struct super_block *sb,
-				  struct dentry *cpus_dir, void *cpu_info)
+static int hypfs_create_cpu_files(struct dentry *cpus_dir, void *cpu_info)
 {
 	struct dentry *cpu_dir;
 	char buffer[TMP_SIZE];
@@ -632,30 +631,29 @@ static int hypfs_create_cpu_files(struct super_block *sb,
 
 	snprintf(buffer, TMP_SIZE, "%d", cpu_info__cpu_addr(diag204_info_type,
 							    cpu_info));
-	cpu_dir = hypfs_mkdir(sb, cpus_dir, buffer);
-	rc = hypfs_create_u64(sb, cpu_dir, "mgmtime",
+	cpu_dir = hypfs_mkdir(cpus_dir->d_sb, cpus_dir, buffer);
+	rc = hypfs_create_u64(cpu_dir->d_sb, cpu_dir, "mgmtime",
 			      cpu_info__acc_time(diag204_info_type, cpu_info) -
 			      cpu_info__lp_time(diag204_info_type, cpu_info));
 	if (IS_ERR(rc))
 		return PTR_ERR(rc);
-	rc = hypfs_create_u64(sb, cpu_dir, "cputime",
+	rc = hypfs_create_u64(cpu_dir->d_sb, cpu_dir, "cputime",
 			      cpu_info__lp_time(diag204_info_type, cpu_info));
 	if (IS_ERR(rc))
 		return PTR_ERR(rc);
 	if (diag204_info_type == INFO_EXT) {
-		rc = hypfs_create_u64(sb, cpu_dir, "onlinetime",
+		rc = hypfs_create_u64(cpu_dir->d_sb, cpu_dir, "onlinetime",
 				      cpu_info__online_time(diag204_info_type,
 							    cpu_info));
 		if (IS_ERR(rc))
 			return PTR_ERR(rc);
 	}
 	diag224_idx2name(cpu_info__ctidx(diag204_info_type, cpu_info), buffer);
-	rc = hypfs_create_str(sb, cpu_dir, "type", buffer);
+	rc = hypfs_create_str(cpu_dir->d_sb, cpu_dir, "type", buffer);
 	return PTR_RET(rc);
 }
 
-static void *hypfs_create_lpar_files(struct super_block *sb,
-				     struct dentry *systems_dir, void *part_hdr)
+static void *hypfs_create_lpar_files(struct dentry *systems_dir, void *part_hdr)
 {
 	struct dentry *cpus_dir;
 	struct dentry *lpar_dir;
@@ -665,16 +663,16 @@ static void *hypfs_create_lpar_files(struct super_block *sb,
 
 	part_hdr__part_name(diag204_info_type, part_hdr, lpar_name);
 	lpar_name[LPAR_NAME_LEN] = 0;
-	lpar_dir = hypfs_mkdir(sb, systems_dir, lpar_name);
+	lpar_dir = hypfs_mkdir(systems_dir->d_sb, systems_dir, lpar_name);
 	if (IS_ERR(lpar_dir))
 		return lpar_dir;
-	cpus_dir = hypfs_mkdir(sb, lpar_dir, "cpus");
+	cpus_dir = hypfs_mkdir(lpar_dir->d_sb, lpar_dir, "cpus");
 	if (IS_ERR(cpus_dir))
 		return cpus_dir;
 	cpu_info = part_hdr + part_hdr__size(diag204_info_type);
 	for (i = 0; i < part_hdr__rcpus(diag204_info_type, part_hdr); i++) {
 		int rc;
-		rc = hypfs_create_cpu_files(sb, cpus_dir, cpu_info);
+		rc = hypfs_create_cpu_files(cpus_dir, cpu_info);
 		if (rc)
 			return ERR_PTR(rc);
 		cpu_info += cpu_info__size(diag204_info_type);
@@ -682,8 +680,7 @@ static void *hypfs_create_lpar_files(struct super_block *sb,
 	return cpu_info;
 }
 
-static int hypfs_create_phys_cpu_files(struct super_block *sb,
-				       struct dentry *cpus_dir, void *cpu_info)
+static int hypfs_create_phys_cpu_files(struct dentry *cpus_dir, void *cpu_info)
 {
 	struct dentry *cpu_dir;
 	char buffer[TMP_SIZE];
@@ -691,32 +688,31 @@ static int hypfs_create_phys_cpu_files(struct super_block *sb,
 
 	snprintf(buffer, TMP_SIZE, "%i", phys_cpu__cpu_addr(diag204_info_type,
 							    cpu_info));
-	cpu_dir = hypfs_mkdir(sb, cpus_dir, buffer);
+	cpu_dir = hypfs_mkdir(cpus_dir->d_sb, cpus_dir, buffer);
 	if (IS_ERR(cpu_dir))
 		return PTR_ERR(cpu_dir);
-	rc = hypfs_create_u64(sb, cpu_dir, "mgmtime",
+	rc = hypfs_create_u64(cpu_dir->d_sb, cpu_dir, "mgmtime",
 			      phys_cpu__mgm_time(diag204_info_type, cpu_info));
 	if (IS_ERR(rc))
 		return PTR_ERR(rc);
 	diag224_idx2name(phys_cpu__ctidx(diag204_info_type, cpu_info), buffer);
-	rc = hypfs_create_str(sb, cpu_dir, "type", buffer);
+	rc = hypfs_create_str(cpu_dir->d_sb, cpu_dir, "type", buffer);
 	return PTR_RET(rc);
 }
 
-static void *hypfs_create_phys_files(struct super_block *sb,
-				     struct dentry *parent_dir, void *phys_hdr)
+static void *hypfs_create_phys_files(struct dentry *parent_dir, void *phys_hdr)
 {
 	int i;
 	void *cpu_info;
 	struct dentry *cpus_dir;
 
-	cpus_dir = hypfs_mkdir(sb, parent_dir, "cpus");
+	cpus_dir = hypfs_mkdir(parent_dir->d_sb, parent_dir, "cpus");
 	if (IS_ERR(cpus_dir))
 		return cpus_dir;
 	cpu_info = phys_hdr + phys_hdr__size(diag204_info_type);
 	for (i = 0; i < phys_hdr__cpus(diag204_info_type, phys_hdr); i++) {
 		int rc;
-		rc = hypfs_create_phys_cpu_files(sb, cpus_dir, cpu_info);
+		rc = hypfs_create_phys_cpu_files(cpus_dir, cpu_info);
 		if (rc)
 			return ERR_PTR(rc);
 		cpu_info += phys_cpu__size(diag204_info_type);
@@ -724,7 +720,7 @@ static void *hypfs_create_phys_files(struct super_block *sb,
 	return cpu_info;
 }
 
-int hypfs_diag_create_files(struct super_block *sb, struct dentry *root)
+int hypfs_diag_create_files(struct dentry *root)
 {
 	struct dentry *systems_dir, *hyp_dir;
 	void *time_hdr, *part_hdr;
@@ -735,7 +731,7 @@ int hypfs_diag_create_files(struct super_block *sb, struct dentry *root)
 	if (IS_ERR(buffer))
 		return PTR_ERR(buffer);
 
-	systems_dir = hypfs_mkdir(sb, root, "systems");
+	systems_dir = hypfs_mkdir(root->d_sb, root, "systems");
 	if (IS_ERR(systems_dir)) {
 		rc = PTR_ERR(systems_dir);
 		goto err_out;
@@ -743,25 +739,25 @@ int hypfs_diag_create_files(struct super_block *sb, struct dentry *root)
 	time_hdr = (struct x_info_blk_hdr *)buffer;
 	part_hdr = time_hdr + info_blk_hdr__size(diag204_info_type);
 	for (i = 0; i < info_blk_hdr__npar(diag204_info_type, time_hdr); i++) {
-		part_hdr = hypfs_create_lpar_files(sb, systems_dir, part_hdr);
+		part_hdr = hypfs_create_lpar_files(systems_dir, part_hdr);
 		if (IS_ERR(part_hdr)) {
 			rc = PTR_ERR(part_hdr);
 			goto err_out;
 		}
 	}
 	if (info_blk_hdr__flags(diag204_info_type, time_hdr) & LPAR_PHYS_FLG) {
-		ptr = hypfs_create_phys_files(sb, root, part_hdr);
+		ptr = hypfs_create_phys_files(root, part_hdr);
 		if (IS_ERR(ptr)) {
 			rc = PTR_ERR(ptr);
 			goto err_out;
 		}
 	}
-	hyp_dir = hypfs_mkdir(sb, root, "hyp");
+	hyp_dir = hypfs_mkdir(root->d_sb, root, "hyp");
 	if (IS_ERR(hyp_dir)) {
 		rc = PTR_ERR(hyp_dir);
 		goto err_out;
 	}
-	ptr = hypfs_create_str(sb, hyp_dir, "type", "LPAR Hypervisor");
+	ptr = hypfs_create_str(root->d_sb, hyp_dir, "type", "LPAR Hypervisor");
 	if (IS_ERR(ptr)) {
 		rc = PTR_ERR(ptr);
 		goto err_out;

arch/s390/hypfs/inode.c

@@ -195,7 +195,7 @@ static ssize_t hypfs_aio_write(struct kiocb *iocb, const struct iovec *iov,
 	if (MACHINE_IS_VM)
 		rc = hypfs_vm_create_files(sb->s_root);
 	else
-		rc = hypfs_diag_create_files(sb, sb->s_root);
+		rc = hypfs_diag_create_files(sb->s_root);
 	if (rc) {
 		pr_err("Updating the hypfs tree failed\n");
 		hypfs_delete_tree(sb->s_root);
@@ -304,7 +304,7 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
 	if (MACHINE_IS_VM)
 		rc = hypfs_vm_create_files(root_dentry);
 	else
-		rc = hypfs_diag_create_files(sb, root_dentry);
+		rc = hypfs_diag_create_files(root_dentry);
 	if (rc)
 		return rc;
 	sbi->update_file = hypfs_create_update_file(sb, root_dentry);