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Commit 7d42ccf3 authored by Brian Gerst's avatar Brian Gerst Committed by Linus Torvalds
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[PATCH] struct super_block cleanup - isofs 

Seperates isofs_sb_info from struct super_block.
parent b286bd16
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Showing with 120 additions and 106 deletions
fs/isofs/dir.c
View file @ 7d42ccf3
......@@ -110,14 +110,13 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
struct buffer_head *bh = NULL;
int len;
int map;
int high_sierra;
int first_de = 1;
char *p = NULL; /* Quiet GCC */
struct iso_directory_record *de;
struct isofs_sb_info *sbi = ISOFS_SB(inode->i_sb);
offset = filp->f_pos & (bufsize - 1);
block = filp->f_pos >> bufbits;
high_sierra = inode->i_sb->u.isofs_sb.s_high_sierra;
while (filp->f_pos < inode->i_size) {
int de_len;
......@@ -166,7 +165,7 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
de = tmpde;
}
if (de->flags[-high_sierra] & 0x80) {
if (de->flags[-sbi->s_high_sierra] & 0x80) {
first_de = 0;
filp->f_pos += de_len;
continue;
......@@ -194,16 +193,16 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
/* Handle everything else. Do name translation if there
is no Rock Ridge NM field. */
if (inode->i_sb->u.isofs_sb.s_unhide == 'n') {
if (sbi->s_unhide == 'n') {
/* Do not report hidden or associated files */
if (de->flags[-high_sierra] & 5) {
if (de->flags[-sbi->s_high_sierra] & 5) {
filp->f_pos += de_len;
continue;
}
}
map = 1;
if (inode->i_sb->u.isofs_sb.s_rock) {
if (sbi->s_rock) {
len = get_rock_ridge_filename(de, tmpname, inode);
if (len != 0) { /* may be -1 */
p = tmpname;
......@@ -212,16 +211,16 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
}
if (map) {
#ifdef CONFIG_JOLIET
if (inode->i_sb->u.isofs_sb.s_joliet_level) {
if (sbi->s_joliet_level) {
len = get_joliet_filename(de, tmpname, inode);
p = tmpname;
} else
#endif
if (inode->i_sb->u.isofs_sb.s_mapping == 'a') {
if (sbi->s_mapping == 'a') {
len = get_acorn_filename(de, tmpname, inode);
p = tmpname;
} else
if (inode->i_sb->u.isofs_sb.s_mapping == 'n') {
if (sbi->s_mapping == 'n') {
len = isofs_name_translate(de, tmpname, inode);
p = tmpname;
} else {
......
fs/isofs/inode.c
View file @ 7d42ccf3
This diff is collapsed.
fs/isofs/joliet.c
View file @ 7d42ccf3
......@@ -77,8 +77,8 @@ get_joliet_filename(struct iso_directory_record * de, unsigned char *outname, st
struct nls_table *nls;
unsigned char len = 0;
utf8 = inode->i_sb->u.isofs_sb.s_utf8;
nls = inode->i_sb->u.isofs_sb.s_nls_iocharset;
utf8 = ISOFS_SB(inode->i_sb)->s_utf8;
nls = ISOFS_SB(inode->i_sb)->s_nls_iocharset;
if (utf8) {
len = wcsntombs_be(outname, de->name,
......
fs/isofs/namei.c
View file @ 7d42ccf3
......@@ -65,6 +65,7 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
unsigned char bufbits = ISOFS_BUFFER_BITS(dir);
unsigned int block, f_pos, offset;
struct buffer_head * bh = NULL;
struct isofs_sb_info *sbi = ISOFS_SB(dir->i_sb);
if (!ISOFS_I(dir)->i_first_extent)
return 0;
......@@ -120,19 +121,19 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
dlen = de->name_len[0];
dpnt = de->name;
if (dir->i_sb->u.isofs_sb.s_rock &&
if (sbi->s_rock &&
((i = get_rock_ridge_filename(de, tmpname, dir)))) {
dlen = i; /* possibly -1 */
dpnt = tmpname;
#ifdef CONFIG_JOLIET
} else if (dir->i_sb->u.isofs_sb.s_joliet_level) {
} else if (sbi->s_joliet_level) {
dlen = get_joliet_filename(de, tmpname, dir);
dpnt = tmpname;
#endif
} else if (dir->i_sb->u.isofs_sb.s_mapping == 'a') {
} else if (sbi->s_mapping == 'a') {
dlen = get_acorn_filename(de, tmpname, dir);
dpnt = tmpname;
} else if (dir->i_sb->u.isofs_sb.s_mapping == 'n') {
} else if (sbi->s_mapping == 'n') {
dlen = isofs_name_translate(de, tmpname, dir);
dpnt = tmpname;
}
......@@ -142,8 +143,8 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
*/
match = 0;
if (dlen > 0 &&
(!(de->flags[-dir->i_sb->u.isofs_sb.s_high_sierra] & 5)
|| dir->i_sb->u.isofs_sb.s_unhide == 'y'))
(!(de->flags[-sbi->s_high_sierra] & 5)
|| sbi->s_unhide == 'y'))
{
match = (isofs_cmp(dentry,dpnt,dlen) == 0);
}
......
fs/isofs/rock.c
View file @ 7d42ccf3
......@@ -32,7 +32,7 @@
#define CHECK_SP(FAIL) \
if(rr->u.SP.magic[0] != 0xbe) FAIL; \
if(rr->u.SP.magic[1] != 0xef) FAIL; \
inode->i_sb->u.isofs_sb.s_rock_offset=rr->u.SP.skip;
ISOFS_SB(inode->i_sb)->s_rock_offset=rr->u.SP.skip;
/* We define a series of macros because each function must do exactly the
same thing in certain places. We use the macros to ensure that everything
is done correctly */
......@@ -51,10 +51,10 @@
if(LEN & 1) LEN++; \
CHR = ((unsigned char *) DE) + LEN; \
LEN = *((unsigned char *) DE) - LEN; \
if (inode->i_sb->u.isofs_sb.s_rock_offset!=-1) \
if (ISOFS_SB(inode->i_sb)->s_rock_offset!=-1) \
{ \
LEN-=inode->i_sb->u.isofs_sb.s_rock_offset; \
CHR+=inode->i_sb->u.isofs_sb.s_rock_offset; \
LEN-=ISOFS_SB(inode->i_sb)->s_rock_offset; \
CHR+=ISOFS_SB(inode->i_sb)->s_rock_offset; \
if (LEN<0) LEN=0; \
} \
}
......@@ -102,7 +102,7 @@ int find_rock_ridge_relocation(struct iso_directory_record * de,
/* Return value if we do not find appropriate record. */
retval = isonum_733 (de->extent);
if (!inode->i_sb->u.isofs_sb.s_rock) return retval;
if (!ISOFS_SB(inode->i_sb)->s_rock) return retval;
SETUP_ROCK_RIDGE(de, chr, len);
repeat:
......@@ -162,7 +162,7 @@ int get_rock_ridge_filename(struct iso_directory_record * de,
CONTINUE_DECLS;
int retnamlen = 0, truncate=0;
if (!inode->i_sb->u.isofs_sb.s_rock) return 0;
if (!ISOFS_SB(inode->i_sb)->s_rock) return 0;
*retname = 0;
SETUP_ROCK_RIDGE(de, chr, len);
......@@ -234,7 +234,7 @@ int parse_rock_ridge_inode_internal(struct iso_directory_record * de,
int symlink_len = 0;
CONTINUE_DECLS;
if (!inode->i_sb->u.isofs_sb.s_rock) return 0;
if (!ISOFS_SB(inode->i_sb)->s_rock) return 0;
SETUP_ROCK_RIDGE(de, chr, len);
if (regard_xa)
......@@ -272,7 +272,7 @@ int parse_rock_ridge_inode_internal(struct iso_directory_record * de,
CHECK_CE;
break;
case SIG('E','R'):
inode->i_sb->u.isofs_sb.s_rock = 1;
ISOFS_SB(inode->i_sb)->s_rock = 1;
printk(KERN_DEBUG "ISO 9660 Extensions: ");
{ int p;
for(p=0;p<rr->u.ER.len_id;p++) printk("%c",rr->u.ER.data[p]);
......@@ -368,7 +368,7 @@ int parse_rock_ridge_inode_internal(struct iso_directory_record * de,
ISOFS_I(inode)->i_first_extent = isonum_733(rr->u.CL.location);
reloc = iget(inode->i_sb,
(ISOFS_I(inode)->i_first_extent <<
inode -> i_sb -> u.isofs_sb.s_log_zone_size));
ISOFS_SB(inode->i_sb)->s_log_zone_size));
if (!reloc)
goto out;
inode->i_mode = reloc->i_mode;
......@@ -385,7 +385,7 @@ int parse_rock_ridge_inode_internal(struct iso_directory_record * de,
break;
#ifdef CONFIG_ZISOFS
case SIG('Z','F'):
if ( !inode->i_sb->u.isofs_sb.s_nocompress ) {
if ( !ISOFS_SB(inode->i_sb)->s_nocompress ) {
int algo;
algo = isonum_721(rr->u.ZF.algorithm);
if ( algo == SIG('p','z') ) {
......@@ -478,8 +478,8 @@ int parse_rock_ridge_inode(struct iso_directory_record * de,
int result=parse_rock_ridge_inode_internal(de,inode,0);
/* if rockridge flag was reset and we didn't look for attributes
* behind eventual XA attributes, have a look there */
if ((inode->i_sb->u.isofs_sb.s_rock_offset==-1)
&&(inode->i_sb->u.isofs_sb.s_rock==2))
if ((ISOFS_SB(inode->i_sb)->s_rock_offset==-1)
&&(ISOFS_SB(inode->i_sb)->s_rock==2))
{
result=parse_rock_ridge_inode_internal(de,inode,14);
};
......@@ -506,7 +506,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)
unsigned char *chr;
struct rock_ridge *rr;
if (!inode->i_sb->u.isofs_sb.s_rock)
if (!ISOFS_SB(inode->i_sb)->s_rock)
panic ("Cannot have symlink with high sierra variant of iso filesystem\n");
block = inode->i_ino >> bufbits;
......
include/linux/fs.h
View file @ 7d42ccf3
......@@ -648,7 +648,6 @@ struct quota_mount_options
#include <linux/ext3_fs_sb.h>
#include <linux/hpfs_fs_sb.h>
#include <linux/ntfs_fs_sb.h>
#include <linux/iso_fs_sb.h>
#include <linux/sysv_fs_sb.h>
#include <linux/affs_fs_sb.h>
#include <linux/ufs_fs_sb.h>
......@@ -697,7 +696,6 @@ struct super_block {
struct ext3_sb_info ext3_sb;
struct hpfs_sb_info hpfs_sb;
struct ntfs_sb_info ntfs_sb;
struct isofs_sb_info isofs_sb;
struct sysv_sb_info sysv_sb;
struct affs_sb_info affs_sb;
struct ufs_sb_info ufs_sb;
......
include/linux/iso_fs.h
View file @ 7d42ccf3
......@@ -160,7 +160,6 @@ struct iso_directory_record {
#define ISOFS_BUFFER_SIZE(INODE) ((INODE)->i_sb->s_blocksize)
#define ISOFS_BUFFER_BITS(INODE) ((INODE)->i_sb->s_blocksize_bits)
#define ISOFS_ZONE_BITS(INODE) ((INODE)->i_sb->u.isofs_sb.s_log_zone_size)
#define ISOFS_SUPER_MAGIC 0x9660
......@@ -171,6 +170,12 @@ struct iso_directory_record {
#include <asm/byteorder.h>
#include <asm/unaligned.h>
#include <linux/iso_fs_i.h>
#include <linux/iso_fs_sb.h>
static inline struct isofs_sb_info *ISOFS_SB(struct super_block *sb)
{
return sb->u.generic_sbp;
}
static inline struct iso_inode_info *ISOFS_I(struct inode *inode)
{
......
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