[PATCH 48/76] fs/minix: Use inode_sb() helper instead of inode->i_sb

From: Mark Fasheh
Date: Tue May 08 2018 - 14:26:39 EST

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Signed-off-by: Mark Fasheh <mfasheh@xxxxxxx>
---
fs/minix/bitmap.c | 18 ++++++++++--------
fs/minix/dir.c | 18 +++++++++---------
fs/minix/inode.c | 10 +++++-----
fs/minix/itree_common.c | 10 +++++-----
fs/minix/itree_v1.c | 6 +++---
fs/minix/itree_v2.c | 2 +-
fs/minix/minix.h | 2 +-
fs/minix/namei.c | 6 +++---
8 files changed, 37 insertions(+), 35 deletions(-)

diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c
index f4e5e5181a14..c432f181e006 100644
--- a/fs/minix/bitmap.c
+++ b/fs/minix/bitmap.c
@@ -41,7 +41,7 @@ static __u32 count_free(struct buffer_head *map[], unsigned blocksize, __u32 num

void minix_free_block(struct inode *inode, unsigned long block)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct minix_sb_info *sbi = minix_sb(sb);
struct buffer_head *bh;
int k = sb->s_blocksize_bits + 3;
@@ -70,8 +70,8 @@ void minix_free_block(struct inode *inode, unsigned long block)

int minix_new_block(struct inode * inode)
{
- struct minix_sb_info *sbi = minix_sb(inode->i_sb);
- int bits_per_zone = 8 * inode->i_sb->s_blocksize;
+ struct minix_sb_info *sbi = minix_sb(inode_sb(inode));
+ int bits_per_zone = 8 * inode_sb(inode)->s_blocksize;
int i;

for (i = 0; i < sbi->s_zmap_blocks; i++) {
@@ -161,14 +161,16 @@ static void minix_clear_inode(struct inode *inode)

if (INODE_VERSION(inode) == MINIX_V1) {
struct minix_inode *raw_inode;
- raw_inode = minix_V1_raw_inode(inode->i_sb, inode->i_ino, &bh);
+ raw_inode = minix_V1_raw_inode(inode_sb(inode), inode->i_ino,
+ &bh);
if (raw_inode) {
raw_inode->i_nlinks = 0;
raw_inode->i_mode = 0;
}
} else {
struct minix2_inode *raw_inode;
- raw_inode = minix_V2_raw_inode(inode->i_sb, inode->i_ino, &bh);
+ raw_inode = minix_V2_raw_inode(inode_sb(inode), inode->i_ino,
+ &bh);
if (raw_inode) {
raw_inode->i_nlinks = 0;
raw_inode->i_mode = 0;
@@ -182,8 +184,8 @@ static void minix_clear_inode(struct inode *inode)

void minix_free_inode(struct inode * inode)
{
- struct super_block *sb = inode->i_sb;
- struct minix_sb_info *sbi = minix_sb(inode->i_sb);
+ struct super_block *sb = inode_sb(inode);
+ struct minix_sb_info *sbi = minix_sb(inode_sb(inode));
struct buffer_head *bh;
int k = sb->s_blocksize_bits + 3;
unsigned long ino, bit;
@@ -212,7 +214,7 @@ void minix_free_inode(struct inode * inode)

struct inode *minix_new_inode(const struct inode *dir, umode_t mode, int *error)
{
- struct super_block *sb = dir->i_sb;
+ struct super_block *sb = inode_sb(dir);
struct minix_sb_info *sbi = minix_sb(sb);
struct inode *inode = new_inode(sb);
struct buffer_head * bh;
diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index dcfe5b25378b..ea70fc396293 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -81,7 +81,7 @@ static inline void *minix_next_entry(void *de, struct minix_sb_info *sbi)
static int minix_readdir(struct file *file, struct dir_context *ctx)
{
struct inode *inode = file_inode(file);
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct minix_sb_info *sbi = minix_sb(sb);
unsigned chunk_size = sbi->s_dirsize;
unsigned long npages = dir_pages(inode);
@@ -153,7 +153,7 @@ minix_dirent *minix_find_entry(struct dentry *dentry, struct page **res_page)
const char * name = dentry->d_name.name;
int namelen = dentry->d_name.len;
struct inode * dir = d_inode(dentry->d_parent);
- struct super_block * sb = dir->i_sb;
+ struct super_block * sb = inode_sb(dir);
struct minix_sb_info * sbi = minix_sb(sb);
unsigned long n;
unsigned long npages = dir_pages(dir);
@@ -202,7 +202,7 @@ int minix_add_link(struct dentry *dentry, struct inode *inode)
struct inode *dir = d_inode(dentry->d_parent);
const char * name = dentry->d_name.name;
int namelen = dentry->d_name.len;
- struct super_block * sb = dir->i_sb;
+ struct super_block * sb = inode_sb(dir);
struct minix_sb_info * sbi = minix_sb(sb);
struct page *page = NULL;
unsigned long npages = dir_pages(dir);
@@ -291,7 +291,7 @@ int minix_delete_entry(struct minix_dir_entry *de, struct page *page)
struct inode *inode = page->mapping->host;
char *kaddr = page_address(page);
loff_t pos = page_offset(page) + (char*)de - kaddr;
- struct minix_sb_info *sbi = minix_sb(inode->i_sb);
+ struct minix_sb_info *sbi = minix_sb(inode_sb(inode));
unsigned len = sbi->s_dirsize;
int err;

@@ -315,7 +315,7 @@ int minix_delete_entry(struct minix_dir_entry *de, struct page *page)
int minix_make_empty(struct inode *inode, struct inode *dir)
{
struct page *page = grab_cache_page(inode->i_mapping, 0);
- struct minix_sb_info *sbi = minix_sb(inode->i_sb);
+ struct minix_sb_info *sbi = minix_sb(inode_sb(inode));
char *kaddr;
int err;

@@ -362,7 +362,7 @@ int minix_empty_dir(struct inode * inode)
{
struct page *page = NULL;
unsigned long i, npages = dir_pages(inode);
- struct minix_sb_info *sbi = minix_sb(inode->i_sb);
+ struct minix_sb_info *sbi = minix_sb(inode_sb(inode));
char *name;
__u32 inumber;

@@ -413,7 +413,7 @@ void minix_set_link(struct minix_dir_entry *de, struct page *page,
struct inode *inode)
{
struct inode *dir = page->mapping->host;
- struct minix_sb_info *sbi = minix_sb(dir->i_sb);
+ struct minix_sb_info *sbi = minix_sb(inode_sb(dir));
loff_t pos = page_offset(page) +
(char *)de-(char*)page_address(page);
int err;
@@ -438,7 +438,7 @@ void minix_set_link(struct minix_dir_entry *de, struct page *page,
struct minix_dir_entry * minix_dotdot (struct inode *dir, struct page **p)
{
struct page *page = dir_get_page(dir, 0);
- struct minix_sb_info *sbi = minix_sb(dir->i_sb);
+ struct minix_sb_info *sbi = minix_sb(inode_sb(dir));
struct minix_dir_entry *de = NULL;

if (!IS_ERR(page)) {
@@ -457,7 +457,7 @@ ino_t minix_inode_by_name(struct dentry *dentry)
if (de) {
struct address_space *mapping = page->mapping;
struct inode *inode = mapping->host;
- struct minix_sb_info *sbi = minix_sb(inode->i_sb);
+ struct minix_sb_info *sbi = minix_sb(inode_sb(inode));

if (sbi->s_version == MINIX_V3)
res = ((minix3_dirent *) de)->inode;
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index 72e308c3e66b..c8fd742baa16 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -466,7 +466,7 @@ static struct inode *V1_minix_iget(struct inode *inode)
struct minix_inode_info *minix_inode = minix_i(inode);
int i;

- raw_inode = minix_V1_raw_inode(inode->i_sb, inode->i_ino, &bh);
+ raw_inode = minix_V1_raw_inode(inode_sb(inode), inode->i_ino, &bh);
if (!raw_inode) {
iget_failed(inode);
return ERR_PTR(-EIO);
@@ -499,7 +499,7 @@ static struct inode *V2_minix_iget(struct inode *inode)
struct minix_inode_info *minix_inode = minix_i(inode);
int i;

- raw_inode = minix_V2_raw_inode(inode->i_sb, inode->i_ino, &bh);
+ raw_inode = minix_V2_raw_inode(inode_sb(inode), inode->i_ino, &bh);
if (!raw_inode) {
iget_failed(inode);
return ERR_PTR(-EIO);
@@ -553,7 +553,7 @@ static struct buffer_head * V1_minix_update_inode(struct inode * inode)
struct minix_inode_info *minix_inode = minix_i(inode);
int i;

- raw_inode = minix_V1_raw_inode(inode->i_sb, inode->i_ino, &bh);
+ raw_inode = minix_V1_raw_inode(inode_sb(inode), inode->i_ino, &bh);
if (!raw_inode)
return NULL;
raw_inode->i_mode = inode->i_mode;
@@ -580,7 +580,7 @@ static struct buffer_head * V2_minix_update_inode(struct inode * inode)
struct minix_inode_info *minix_inode = minix_i(inode);
int i;

- raw_inode = minix_V2_raw_inode(inode->i_sb, inode->i_ino, &bh);
+ raw_inode = minix_V2_raw_inode(inode_sb(inode), inode->i_ino, &bh);
if (!raw_inode)
return NULL;
raw_inode->i_mode = inode->i_mode;
@@ -614,7 +614,7 @@ static int minix_write_inode(struct inode *inode, struct writeback_control *wbc)
sync_dirty_buffer(bh);
if (buffer_req(bh) && !buffer_uptodate(bh)) {
printk("IO error syncing minix inode [%s:%08lx]\n",
- inode->i_sb->s_id, inode->i_ino);
+ inode_sb(inode)->s_id, inode->i_ino);
err = -EIO;
}
}
diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c
index 043c3fdbc8e7..97441f82e84d 100644
--- a/fs/minix/itree_common.c
+++ b/fs/minix/itree_common.c
@@ -33,7 +33,7 @@ static inline Indirect *get_branch(struct inode *inode,
Indirect chain[DEPTH],
int *err)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
Indirect *p = chain;
struct buffer_head *bh;

@@ -84,7 +84,7 @@ static int alloc_branch(struct inode *inode,
if (!nr)
break;
branch[n].key = cpu_to_block(nr);
- bh = sb_getblk(inode->i_sb, parent);
+ bh = sb_getblk(inode_sb(inode), parent);
lock_buffer(bh);
memset(bh->b_data, 0, bh->b_size);
branch[n].bh = bh;
@@ -162,7 +162,7 @@ static int get_block(struct inode * inode, sector_t block,
/* Simplest case - block found, no allocation needed */
if (!partial) {
got_it:
- map_bh(bh, inode->i_sb, block_to_cpu(chain[depth-1].key));
+ map_bh(bh, inode_sb(inode), block_to_cpu(chain[depth-1].key));
/* Clean up and exit */
partial = chain+depth-1; /* the whole chain */
goto cleanup;
@@ -278,7 +278,7 @@ static void free_branches(struct inode *inode, block_t *p, block_t *q, int depth
if (!nr)
continue;
*p = 0;
- bh = sb_bread(inode->i_sb, nr);
+ bh = sb_bread(inode_sb(inode), nr);
if (!bh)
continue;
free_branches(inode, (block_t*)bh->b_data,
@@ -293,7 +293,7 @@ static void free_branches(struct inode *inode, block_t *p, block_t *q, int depth

static inline void truncate (struct inode * inode)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
block_t *idata = i_data(inode);
int offsets[DEPTH];
Indirect chain[DEPTH];
diff --git a/fs/minix/itree_v1.c b/fs/minix/itree_v1.c
index 046cc96ee7ad..dd1a33de552e 100644
--- a/fs/minix/itree_v1.c
+++ b/fs/minix/itree_v1.c
@@ -28,12 +28,12 @@ static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])

if (block < 0) {
printk("MINIX-fs: block_to_path: block %ld < 0 on dev %pg\n",
- block, inode->i_sb->s_bdev);
- } else if (block >= (minix_sb(inode->i_sb)->s_max_size/BLOCK_SIZE)) {
+ block, inode_sb(inode)->s_bdev);
+ } else if (block >= (minix_sb(inode_sb(inode))->s_max_size/BLOCK_SIZE)) {
if (printk_ratelimit())
printk("MINIX-fs: block_to_path: "
"block %ld too big on dev %pg\n",
- block, inode->i_sb->s_bdev);
+ block, inode_sb(inode)->s_bdev);
} else if (block < 7) {
offsets[n++] = block;
} else if ((block -= 7) < 512) {
diff --git a/fs/minix/itree_v2.c b/fs/minix/itree_v2.c
index f7fc7ecccccc..7e457d58c06f 100644
--- a/fs/minix/itree_v2.c
+++ b/fs/minix/itree_v2.c
@@ -27,7 +27,7 @@ static inline block_t *i_data(struct inode *inode)
static int block_to_path(struct inode * inode, long block, int offsets[DEPTH])
{
int n = 0;
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);

if (block < 0) {
printk("MINIX-fs: block_to_path: block %ld < 0 on dev %pg\n",
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index df081e8afcc3..3ba7f4a41473 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -6,7 +6,7 @@
#include <linux/pagemap.h>
#include <linux/minix_fs.h>

-#define INODE_VERSION(inode) minix_sb(inode->i_sb)->s_version
+#define INODE_VERSION(inode) minix_sb(inode_sb(inode))->s_version
#define MINIX_V1 0x0001 /* original minix fs */
#define MINIX_V2 0x0002 /* minix V2 fs */
#define MINIX_V3 0x0003 /* minix V3 fs */
diff --git a/fs/minix/namei.c b/fs/minix/namei.c
index ccf0f00030bf..6df2738bcdc3 100644
--- a/fs/minix/namei.c
+++ b/fs/minix/namei.c
@@ -24,12 +24,12 @@ static struct dentry *minix_lookup(struct inode * dir, struct dentry *dentry, un
struct inode * inode = NULL;
ino_t ino;

- if (dentry->d_name.len > minix_sb(dir->i_sb)->s_namelen)
+ if (dentry->d_name.len > minix_sb(inode_sb(dir))->s_namelen)
return ERR_PTR(-ENAMETOOLONG);

ino = minix_inode_by_name(dentry);
if (ino) {
- inode = minix_iget(dir->i_sb, ino);
+ inode = minix_iget(inode_sb(dir), ino);
if (IS_ERR(inode))
return ERR_CAST(inode);
}
@@ -80,7 +80,7 @@ static int minix_symlink(struct inode * dir, struct dentry *dentry,
int i = strlen(symname)+1;
struct inode * inode;

- if (i > dir->i_sb->s_blocksize)
+ if (i > inode_sb(dir)->s_blocksize)
goto out;

inode = minix_new_inode(dir, S_IFLNK | 0777, &err);
--
2.15.1

Next message: Mark Fasheh: "[PATCH 47/76] fs/lockd: Use inode_sb() helper instead of inode->i_sb"
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