don't pass superblock to hypfs_{mkdir,create*}

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

4 files changed, 39 insertions, 46 deletions

diff --git a/arch/s390/hypfs/hypfs.h b/arch/s390/hypfs/hypfs.h
index 6fd0c7e992c8..79f2ac55253f 100644
--- a/arch/s390/hypfs/hypfs.h
+++ b/arch/s390/hypfs/hypfs.h
@@ -18,15 +18,12 @@
 #define UPDATE_FILE_MODE 0220
 #define DIR_MODE         0550
 
-extern struct dentry *hypfs_mkdir(struct super_block *sb, struct dentry *parent,
-                                  const char *name);
+extern struct dentry *hypfs_mkdir(struct dentry *parent, const char *name);
 
-extern struct dentry *hypfs_create_u64(struct super_block *sb,
-                                       struct dentry *dir, const char *name,
+extern struct dentry *hypfs_create_u64(struct dentry *dir, const char *name,
                                        __u64 value);
 
-extern struct dentry *hypfs_create_str(struct super_block *sb,
-                                       struct dentry *dir, const char *name,
+extern struct dentry *hypfs_create_str(struct dentry *dir, const char *name,
                                        char *string);
 
 /* LPAR Hypervisor */
diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c
index 42bb152512e6..5eeffeefae06 100644
--- a/arch/s390/hypfs/hypfs_diag.c
+++ b/arch/s390/hypfs/hypfs_diag.c
@@ -631,25 +631,25 @@ static int hypfs_create_cpu_files(struct dentry *cpus_dir, void *cpu_info)
 
         snprintf(buffer, TMP_SIZE, "%d", cpu_info__cpu_addr(diag204_info_type,
                                                             cpu_info));
-        cpu_dir = hypfs_mkdir(cpus_dir->d_sb, cpus_dir, buffer);
-        rc = hypfs_create_u64(cpu_dir->d_sb, cpu_dir, "mgmtime",
+        cpu_dir = hypfs_mkdir(cpus_dir, buffer);
+        rc = hypfs_create_u64(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(cpu_dir->d_sb, cpu_dir, "cputime",
+        rc = hypfs_create_u64(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(cpu_dir->d_sb, cpu_dir, "onlinetime",
+                rc = hypfs_create_u64(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(cpu_dir->d_sb, cpu_dir, "type", buffer);
+        rc = hypfs_create_str(cpu_dir, "type", buffer);
         return PTR_RET(rc);
 }
 
@@ -663,10 +663,10 @@ static void *hypfs_create_lpar_files(struct dentry *systems_dir, void *part_hdr)
 
         part_hdr__part_name(diag204_info_type, part_hdr, lpar_name);
         lpar_name[LPAR_NAME_LEN] = 0;
-        lpar_dir = hypfs_mkdir(systems_dir->d_sb, systems_dir, lpar_name);
+        lpar_dir = hypfs_mkdir(systems_dir, lpar_name);
         if (IS_ERR(lpar_dir))
                 return lpar_dir;
-        cpus_dir = hypfs_mkdir(lpar_dir->d_sb, lpar_dir, "cpus");
+        cpus_dir = hypfs_mkdir(lpar_dir, "cpus");
         if (IS_ERR(cpus_dir))
                 return cpus_dir;
         cpu_info = part_hdr + part_hdr__size(diag204_info_type);
@@ -688,15 +688,15 @@ static int hypfs_create_phys_cpu_files(struct dentry *cpus_dir, void *cpu_info)
 
         snprintf(buffer, TMP_SIZE, "%i", phys_cpu__cpu_addr(diag204_info_type,
                                                             cpu_info));
-        cpu_dir = hypfs_mkdir(cpus_dir->d_sb, cpus_dir, buffer);
+        cpu_dir = hypfs_mkdir(cpus_dir, buffer);
         if (IS_ERR(cpu_dir))
                 return PTR_ERR(cpu_dir);
-        rc = hypfs_create_u64(cpu_dir->d_sb, cpu_dir, "mgmtime",
+        rc = hypfs_create_u64(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(cpu_dir->d_sb, cpu_dir, "type", buffer);
+        rc = hypfs_create_str(cpu_dir, "type", buffer);
         return PTR_RET(rc);
 }
 
@@ -706,7 +706,7 @@ static void *hypfs_create_phys_files(struct dentry *parent_dir, void *phys_hdr)
         void *cpu_info;
         struct dentry *cpus_dir;
 
-        cpus_dir = hypfs_mkdir(parent_dir->d_sb, parent_dir, "cpus");
+        cpus_dir = hypfs_mkdir(parent_dir, "cpus");
         if (IS_ERR(cpus_dir))
                 return cpus_dir;
         cpu_info = phys_hdr + phys_hdr__size(diag204_info_type);
@@ -731,7 +731,7 @@ int hypfs_diag_create_files(struct dentry *root)
         if (IS_ERR(buffer))
                 return PTR_ERR(buffer);
 
-        systems_dir = hypfs_mkdir(root->d_sb, root, "systems");
+        systems_dir = hypfs_mkdir(root, "systems");
         if (IS_ERR(systems_dir)) {
                 rc = PTR_ERR(systems_dir);
                 goto err_out;
@@ -752,12 +752,12 @@ int hypfs_diag_create_files(struct dentry *root)
                         goto err_out;
                 }
         }
-        hyp_dir = hypfs_mkdir(root->d_sb, root, "hyp");
+        hyp_dir = hypfs_mkdir(root, "hyp");
         if (IS_ERR(hyp_dir)) {
                 rc = PTR_ERR(hyp_dir);
                 goto err_out;
         }
-        ptr = hypfs_create_str(root->d_sb, hyp_dir, "type", "LPAR Hypervisor");
+        ptr = hypfs_create_str(hyp_dir, "type", "LPAR Hypervisor");
         if (IS_ERR(ptr)) {
                 rc = PTR_ERR(ptr);
                 goto err_out;
diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c
index a7c5b57663e5..24908ce149f1 100644
--- a/arch/s390/hypfs/hypfs_vm.c
+++ b/arch/s390/hypfs/hypfs_vm.c
@@ -110,7 +110,7 @@ static void diag2fc_free(const void *data)
 #define ATTRIBUTE(dir, name, member) \
 do { \
         void *rc; \
-        rc = hypfs_create_u64(dir->d_sb, dir, name, member); \
+        rc = hypfs_create_u64(dir, name, member); \
         if (IS_ERR(rc)) \
                 return PTR_ERR(rc); \
 } while(0)
@@ -129,13 +129,13 @@ static int hpyfs_vm_create_guest(struct dentry *systems_dir,
         memcpy(guest_name, data->guest_name, NAME_LEN);
         EBCASC(guest_name, NAME_LEN);
         strim(guest_name);
-        guest_dir = hypfs_mkdir(systems_dir->d_sb, systems_dir, guest_name);
+        guest_dir = hypfs_mkdir(systems_dir, guest_name);
         if (IS_ERR(guest_dir))
                 return PTR_ERR(guest_dir);
         ATTRIBUTE(guest_dir, "onlinetime_us", data->el_time);
 
         /* logical cpu information */
-        cpus_dir = hypfs_mkdir(guest_dir->d_sb, guest_dir, "cpus");
+        cpus_dir = hypfs_mkdir(guest_dir, "cpus");
         if (IS_ERR(cpus_dir))
                 return PTR_ERR(cpus_dir);
         ATTRIBUTE(cpus_dir, "cputime_us", data->used_cpu);
@@ -147,7 +147,7 @@ static int hpyfs_vm_create_guest(struct dentry *systems_dir,
         ATTRIBUTE(cpus_dir, "weight_cur", data->cpu_shares);
 
         /* memory information */
-        mem_dir = hypfs_mkdir(guest_dir->d_sb, guest_dir, "mem");
+        mem_dir = hypfs_mkdir(guest_dir, "mem");
         if (IS_ERR(mem_dir))
                 return PTR_ERR(mem_dir);
         ATTRIBUTE(mem_dir, "min_KiB", data->mem_min_kb);
@@ -156,7 +156,7 @@ static int hpyfs_vm_create_guest(struct dentry *systems_dir,
         ATTRIBUTE(mem_dir, "share_KiB", data->mem_share_kb);
 
         /* samples */
-        samples_dir = hypfs_mkdir(guest_dir->d_sb, guest_dir, "samples");
+        samples_dir = hypfs_mkdir(guest_dir, "samples");
         if (IS_ERR(samples_dir))
                 return PTR_ERR(samples_dir);
         ATTRIBUTE(samples_dir, "cpu_using", data->cpu_use_samp);
@@ -180,31 +180,31 @@ int hypfs_vm_create_files(struct dentry *root)
                 return PTR_ERR(data);
 
         /* Hpervisor Info */
-        dir = hypfs_mkdir(root->d_sb, root, "hyp");
+        dir = hypfs_mkdir(root, "hyp");
         if (IS_ERR(dir)) {
                 rc = PTR_ERR(dir);
                 goto failed;
         }
-        file = hypfs_create_str(root->d_sb, dir, "type", "z/VM Hypervisor");
+        file = hypfs_create_str(dir, "type", "z/VM Hypervisor");
         if (IS_ERR(file)) {
                 rc = PTR_ERR(file);
                 goto failed;
         }
 
         /* physical cpus */
-        dir = hypfs_mkdir(root->d_sb, root, "cpus");
+        dir = hypfs_mkdir(root, "cpus");
         if (IS_ERR(dir)) {
                 rc = PTR_ERR(dir);
                 goto failed;
         }
-        file = hypfs_create_u64(root->d_sb, dir, "count", data->lcpus);
+        file = hypfs_create_u64(dir, "count", data->lcpus);
         if (IS_ERR(file)) {
                 rc = PTR_ERR(file);
                 goto failed;
         }
 
         /* guests */
-        dir = hypfs_mkdir(root->d_sb, root, "systems");
+        dir = hypfs_mkdir(root, "systems");
         if (IS_ERR(dir)) {
                 rc = PTR_ERR(dir);
                 goto failed;
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index aa5de3f54ce3..ddfe09b45134 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -28,8 +28,7 @@
 #define HYPFS_MAGIC 0x687970    /* ASCII 'hyp' */
 #define TMP_SIZE 64             /* size of temporary buffers */
 
-static struct dentry *hypfs_create_update_file(struct super_block *sb,
-                                               struct dentry *dir);
+static struct dentry *hypfs_create_update_file(struct dentry *dir);
 
 struct hypfs_sb_info {
         kuid_t uid;                     /* uid used for files and dirs */
@@ -307,7 +306,7 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
                 rc = hypfs_diag_create_files(root_dentry);
         if (rc)
                 return rc;
-        sbi->update_file = hypfs_create_update_file(sb, root_dentry);
+        sbi->update_file = hypfs_create_update_file(root_dentry);
         if (IS_ERR(sbi->update_file))
                 return PTR_ERR(sbi->update_file);
         hypfs_update_update(sb);
@@ -334,8 +333,7 @@ static void hypfs_kill_super(struct super_block *sb)
         kill_litter_super(sb);
 }
 
-static struct dentry *hypfs_create_file(struct super_block *sb,
-                                        struct dentry *parent, const char *name,
+static struct dentry *hypfs_create_file(struct dentry *parent, const char *name,
                                         char *data, umode_t mode)
 {
         struct dentry *dentry;
@@ -347,7 +345,7 @@ static struct dentry *hypfs_create_file(struct super_block *sb,
                 dentry = ERR_PTR(-ENOMEM);
                 goto fail;
         }
-        inode = hypfs_make_inode(sb, mode);
+        inode = hypfs_make_inode(parent->d_sb, mode);
         if (!inode) {
                 dput(dentry);
                 dentry = ERR_PTR(-ENOMEM);
@@ -373,24 +371,22 @@ fail:
         return dentry;
 }
 
-struct dentry *hypfs_mkdir(struct super_block *sb, struct dentry *parent,
-                           const char *name)
+struct dentry *hypfs_mkdir(struct dentry *parent, const char *name)
 {
         struct dentry *dentry;
 
-        dentry = hypfs_create_file(sb, parent, name, NULL, S_IFDIR | DIR_MODE);
+        dentry = hypfs_create_file(parent, name, NULL, S_IFDIR | DIR_MODE);
         if (IS_ERR(dentry))
                 return dentry;
         hypfs_add_dentry(dentry);
         return dentry;
 }
 
-static struct dentry *hypfs_create_update_file(struct super_block *sb,
-                                               struct dentry *dir)
+static struct dentry *hypfs_create_update_file(struct dentry *dir)
 {
         struct dentry *dentry;
 
-        dentry = hypfs_create_file(sb, dir, "update", NULL,
+        dentry = hypfs_create_file(dir, "update", NULL,
                                    S_IFREG | UPDATE_FILE_MODE);
         /*
          * We do not put the update file on the 'delete' list with
@@ -400,7 +396,7 @@ static struct dentry *hypfs_create_update_file(struct super_block *sb,
         return dentry;
 }
 
-struct dentry *hypfs_create_u64(struct super_block *sb, struct dentry *dir,
+struct dentry *hypfs_create_u64(struct dentry *dir,
                                 const char *name, __u64 value)
 {
         char *buffer;
@@ -412,7 +408,7 @@ struct dentry *hypfs_create_u64(struct super_block *sb, struct dentry *dir,
         if (!buffer)
                 return ERR_PTR(-ENOMEM);
         dentry =
-            hypfs_create_file(sb, dir, name, buffer, S_IFREG | REG_FILE_MODE);
+            hypfs_create_file(dir, name, buffer, S_IFREG | REG_FILE_MODE);
         if (IS_ERR(dentry)) {
                 kfree(buffer);
                 return ERR_PTR(-ENOMEM);
@@ -421,7 +417,7 @@ struct dentry *hypfs_create_u64(struct super_block *sb, struct dentry *dir,
         return dentry;
 }
 
-struct dentry *hypfs_create_str(struct super_block *sb, struct dentry *dir,
+struct dentry *hypfs_create_str(struct dentry *dir,
                                 const char *name, char *string)
 {
         char *buffer;
@@ -432,7 +428,7 @@ struct dentry *hypfs_create_str(struct super_block *sb, struct dentry *dir,
                 return ERR_PTR(-ENOMEM);
         sprintf(buffer, "%s\n", string);
         dentry =
-            hypfs_create_file(sb, dir, name, buffer, S_IFREG | REG_FILE_MODE);
+            hypfs_create_file(dir, name, buffer, S_IFREG | REG_FILE_MODE);
         if (IS_ERR(dentry)) {
                 kfree(buffer);
                 return ERR_PTR(-ENOMEM);