[PATCH 42/76] fs/isofs: Use inode_sb() helper instead of inode->i_sb

From: Mark Fasheh
Date: Tue May 08 2018 - 14:06:00 EST

Signed-off-by: Mark Fasheh <mfasheh@xxxxxxx>
---
fs/isofs/dir.c | 2 +-
fs/isofs/export.c | 6 +++---
fs/isofs/inode.c | 22 ++++++++++++----------
fs/isofs/joliet.c | 4 ++--
fs/isofs/namei.c | 4 ++--
fs/isofs/rock.c | 29 +++++++++++++++--------------
6 files changed, 35 insertions(+), 32 deletions(-)

diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
index 947ce22f5b3c..1d3f1d10bea3 100644
--- a/fs/isofs/dir.c
+++ b/fs/isofs/dir.c
@@ -93,7 +93,7 @@ static int do_isofs_readdir(struct inode *inode, struct file *file,
int first_de = 1;
char *p = NULL; /* Quiet GCC */
struct iso_directory_record *de;
- struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb);
+ struct isofs_sb_info *sbi = ISOFS_SB(inode_sb(inode));

offset = ctx->pos & (bufsize - 1);
block = ctx->pos >> bufbits;
diff --git a/fs/isofs/export.c b/fs/isofs/export.c
index 85a9093769a9..2bb64a3c1130 100644
--- a/fs/isofs/export.c
+++ b/fs/isofs/export.c
@@ -75,7 +75,7 @@ static struct dentry *isofs_export_get_parent(struct dentry *child)
parent_block = e_child_inode->i_iget5_block;

/* Get the block in question. */
- bh = sb_bread(child_inode->i_sb, parent_block);
+ bh = sb_bread(inode_sb(child_inode), parent_block);
if (bh == NULL) {
rv = ERR_PTR(-EACCES);
goto out;
@@ -99,8 +99,8 @@ static struct dentry *isofs_export_get_parent(struct dentry *child)
/* Normalize */
isofs_normalize_block_and_offset(de, &parent_block, &parent_offset);

- rv = d_obtain_alias(isofs_iget(child_inode->i_sb, parent_block,
- parent_offset));
+ rv = d_obtain_alias(isofs_iget(inode_sb(child_inode), parent_block,
+ parent_offset));
out:
if (bh)
brelse(bh);
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index bc258a4402f6..295830250d4b 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -1090,7 +1090,7 @@ int isofs_get_blocks(struct inode *inode, sector_t iblock,
struct inode *ninode;

offset += sect_size;
- ninode = isofs_iget(inode->i_sb, nextblk, nextoff);
+ ninode = isofs_iget(inode_sb(inode), nextblk, nextoff);
if (IS_ERR(ninode)) {
error = PTR_ERR(ninode);
goto abort;
@@ -1113,9 +1113,11 @@ int isofs_get_blocks(struct inode *inode, sector_t iblock,
}

if (*bh) {
- map_bh(*bh, inode->i_sb, firstext + b_off - offset);
+ map_bh(*bh, inode_sb(inode),
+ firstext + b_off - offset);
} else {
- *bh = sb_getblk(inode->i_sb, firstext+b_off-offset);
+ *bh = sb_getblk(inode_sb(inode),
+ firstext+b_off-offset);
if (!*bh)
goto abort;
}
@@ -1165,7 +1167,7 @@ struct buffer_head *isofs_bread(struct inode *inode, sector_t block)
sector_t blknr = isofs_bmap(inode, block);
if (!blknr)
return NULL;
- return sb_bread(inode->i_sb, blknr);
+ return sb_bread(inode_sb(inode), blknr);
}

static int isofs_readpage(struct file *file, struct page *page)
@@ -1193,7 +1195,7 @@ static const struct address_space_operations isofs_aops = {
static int isofs_read_level3_size(struct inode *inode)
{
unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
- int high_sierra = ISOFS_SB(inode->i_sb)->s_high_sierra;
+ int high_sierra = ISOFS_SB(inode_sb(inode))->s_high_sierra;
struct buffer_head *bh = NULL;
unsigned long block, offset, block_saved, offset_saved;
int i = 0;
@@ -1217,7 +1219,7 @@ static int isofs_read_level3_size(struct inode *inode)
unsigned int de_len;

if (!bh) {
- bh = sb_bread(inode->i_sb, block);
+ bh = sb_bread(inode_sb(inode), block);
if (!bh)
goto out_noread;
}
@@ -1250,7 +1252,7 @@ static int isofs_read_level3_size(struct inode *inode)
brelse(bh);
bh = NULL;
if (offset) {
- bh = sb_bread(inode->i_sb, block);
+ bh = sb_bread(inode_sb(inode), block);
if (!bh)
goto out_noread;
memcpy((void *)tmpde+slop, bh->b_data, offset);
@@ -1295,7 +1297,7 @@ static int isofs_read_level3_size(struct inode *inode)

static int isofs_read_inode(struct inode *inode, int relocated)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb = inode_sb(inode);
struct isofs_sb_info *sbi = ISOFS_SB(sb);
unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
unsigned long block;
@@ -1309,7 +1311,7 @@ static int isofs_read_inode(struct inode *inode, int relocated)
int ret = -EIO;

block = ei->i_iget5_block;
- bh = sb_bread(inode->i_sb, block);
+ bh = sb_bread(inode_sb(inode), block);
if (!bh)
goto out_badread;

@@ -1328,7 +1330,7 @@ static int isofs_read_inode(struct inode *inode, int relocated)
}
memcpy(tmpde, bh->b_data + offset, frag1);
brelse(bh);
- bh = sb_bread(inode->i_sb, ++block);
+ bh = sb_bread(inode_sb(inode), ++block);
if (!bh)
goto out_badread;
memcpy((char *)tmpde+frag1, bh->b_data, de_len - frag1);
diff --git a/fs/isofs/joliet.c b/fs/isofs/joliet.c
index be8b6a9d0b92..47b0ac950a14 100644
--- a/fs/isofs/joliet.c
+++ b/fs/isofs/joliet.c
@@ -45,8 +45,8 @@ get_joliet_filename(struct iso_directory_record * de, unsigned char *outname, st
struct nls_table *nls;
unsigned char len = 0;

- utf8 = ISOFS_SB(inode->i_sb)->s_utf8;
- nls = ISOFS_SB(inode->i_sb)->s_nls_iocharset;
+ utf8 = ISOFS_SB(inode_sb(inode))->s_utf8;
+ nls = ISOFS_SB(inode_sb(inode))->s_nls_iocharset;

if (utf8) {
len = utf16s_to_utf8s((const wchar_t *) de->name,
diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c
index cac468f04820..ae74cba9b3e8 100644
--- a/fs/isofs/namei.c
+++ b/fs/isofs/namei.c
@@ -41,7 +41,7 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
unsigned char bufbits = ISOFS_BUFFER_BITS(dir);
unsigned long block, f_pos, offset, block_saved, offset_saved;
struct buffer_head *bh = NULL;
- struct isofs_sb_info *sbi = ISOFS_SB(dir->i_sb);
+ struct isofs_sb_info *sbi = ISOFS_SB(inode_sb(dir));

if (!ISOFS_I(dir)->i_first_extent)
return 0;
@@ -167,7 +167,7 @@ struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, unsigned i
1024 + page_address(page));
__free_page(page);

- inode = found ? isofs_iget(dir->i_sb, block, offset) : NULL;
+ inode = found ? isofs_iget(inode_sb(dir), block, offset) : NULL;

return d_splice_alias(inode, dentry);
}
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index 94ef92fe806c..3f398cd95143 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -46,7 +46,7 @@ static int check_sp(struct rock_ridge *rr, struct inode *inode)
return -1;
if (rr->u.SP.magic[1] != 0xef)
return -1;
- ISOFS_SB(inode->i_sb)->s_rock_offset = rr->u.SP.skip;
+ ISOFS_SB(inode_sb(inode))->s_rock_offset = rr->u.SP.skip;
return 0;
}

@@ -61,9 +61,9 @@ static void setup_rock_ridge(struct iso_directory_record *de,
if (rs->len < 0)
rs->len = 0;

- if (ISOFS_SB(inode->i_sb)->s_rock_offset != -1) {
- rs->len -= ISOFS_SB(inode->i_sb)->s_rock_offset;
- rs->chr += ISOFS_SB(inode->i_sb)->s_rock_offset;
+ if (ISOFS_SB(inode_sb(inode))->s_rock_offset != -1) {
+ rs->len -= ISOFS_SB(inode_sb(inode))->s_rock_offset;
+ rs->chr += ISOFS_SB(inode_sb(inode))->s_rock_offset;
if (rs->len < 0)
rs->len = 0;
}
@@ -112,7 +112,7 @@ static int rock_continue(struct rock_state *rs)
ret = -EIO;
if (++rs->cont_loops >= RR_MAX_CE_ENTRIES)
goto out;
- bh = sb_bread(rs->inode->i_sb, rs->cont_extent);
+ bh = sb_bread(inode_sb(rs->inode), rs->cont_extent);
if (bh) {
memcpy(rs->buffer, bh->b_data + rs->cont_offset,
rs->cont_size);
@@ -207,7 +207,7 @@ int get_rock_ridge_filename(struct iso_directory_record *de,
char *p;
int len;

- if (!ISOFS_SB(inode->i_sb)->s_rock)
+ if (!ISOFS_SB(inode_sb(inode))->s_rock)
return 0;
*retname = 0;

@@ -318,7 +318,7 @@ parse_rock_ridge_inode_internal(struct iso_directory_record *de,
struct rock_state rs;
int ret = 0;

- if (!ISOFS_SB(inode->i_sb)->s_rock)
+ if (!ISOFS_SB(inode_sb(inode))->s_rock)
return 0;

init_rock_state(&rs, inode);
@@ -373,7 +373,7 @@ parse_rock_ridge_inode_internal(struct iso_directory_record *de,
/* Invalid length of ER tag id? */
if (rr->u.ER.len_id + offsetof(struct rock_ridge, u.ER.data) > rr->len)
goto out;
- ISOFS_SB(inode->i_sb)->s_rock = 1;
+ ISOFS_SB(inode_sb(inode))->s_rock = 1;
printk(KERN_DEBUG "ISO 9660 Extensions: ");
{
int p;
@@ -521,7 +521,8 @@ parse_rock_ridge_inode_internal(struct iso_directory_record *de,
goto eio;
}
ISOFS_I(inode)->i_first_extent = reloc_block;
- reloc = isofs_iget_reloc(inode->i_sb, reloc_block, 0);
+ reloc = isofs_iget_reloc(inode_sb(inode), reloc_block,
+ 0);
if (IS_ERR(reloc)) {
ret = PTR_ERR(reloc);
goto out;
@@ -542,7 +543,7 @@ parse_rock_ridge_inode_internal(struct iso_directory_record *de,
case SIG('Z', 'F'): {
int algo;

- if (ISOFS_SB(inode->i_sb)->s_nocompress)
+ if (ISOFS_SB(inode_sb(inode))->s_nocompress)
break;
algo = isonum_721(rr->u.ZF.algorithm);
if (algo == SIG('p', 'z')) {
@@ -678,8 +679,8 @@ int parse_rock_ridge_inode(struct iso_directory_record *de, struct inode *inode,
* if rockridge flag was reset and we didn't look for attributes
* behind eventual XA attributes, have a look there
*/
- if ((ISOFS_SB(inode->i_sb)->s_rock_offset == -1)
- && (ISOFS_SB(inode->i_sb)->s_rock == 2)) {
+ if ((ISOFS_SB(inode_sb(inode))->s_rock_offset == -1)
+ && (ISOFS_SB(inode_sb(inode))->s_rock == 2)) {
result = parse_rock_ridge_inode_internal(de, inode,
flags | RR_REGARD_XA);
}
@@ -694,7 +695,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)
{
struct inode *inode = page->mapping->host;
struct iso_inode_info *ei = ISOFS_I(inode);
- struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb);
+ struct isofs_sb_info *sbi = ISOFS_SB(inode_sb(inode));
char *link = page_address(page);
unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
struct buffer_head *bh;
@@ -712,7 +713,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)

init_rock_state(&rs, inode);
block = ei->i_iget5_block;
- bh = sb_bread(inode->i_sb, block);
+ bh = sb_bread(inode_sb(inode), block);
if (!bh)
goto out_noread;

--
2.15.1