From: Brian Gerst <bgerst@didntduck.org>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: Linux-Kernel <linux-kernel@vger.kernel.org>
Subject: [PATCH] struct super_block cleanup - isofs
Date: Sun, 17 Mar 2002 10:18:04 -0500 [thread overview]
Message-ID: <3C94B3AC.7060909@didntduck.org> (raw)
[-- Attachment #1: Type: text/plain, Size: 73 bytes --]
Seperates isofs_sb_info from struct super_block.
--
Brian Gerst
[-- Attachment #2: sb-iso-1 --]
[-- Type: text/plain, Size: 22088 bytes --]
diff -urN linux-2.5.7-pre2/fs/isofs/dir.c linux/fs/isofs/dir.c
--- linux-2.5.7-pre2/fs/isofs/dir.c Thu Mar 7 21:18:20 2002
+++ linux/fs/isofs/dir.c Sat Mar 16 00:32:28 2002
@@ -110,14 +110,13 @@
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 @@
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 @@
/* 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 @@
}
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 {
diff -urN linux-2.5.7-pre2/fs/isofs/inode.c linux/fs/isofs/inode.c
--- linux-2.5.7-pre2/fs/isofs/inode.c Sat Mar 16 00:17:32 2002
+++ linux/fs/isofs/inode.c Sat Mar 16 00:32:28 2002
@@ -60,10 +60,11 @@
static void isofs_put_super(struct super_block *sb)
{
+ struct isofs_sb_info *sbi = ISOFS_SB(sb);
#ifdef CONFIG_JOLIET
- if (sb->u.isofs_sb.s_nls_iocharset) {
- unload_nls(sb->u.isofs_sb.s_nls_iocharset);
- sb->u.isofs_sb.s_nls_iocharset = NULL;
+ if (sbi->s_nls_iocharset) {
+ unload_nls(sbi->s_nls_iocharset);
+ sbi->s_nls_iocharset = NULL;
}
#endif
@@ -72,6 +73,8 @@
check_malloc, check_bread);
#endif
+ kfree(sbi);
+ sb->u.generic_sbp = NULL;
return;
}
@@ -518,7 +521,6 @@
struct iso_supplementary_descriptor *sec = NULL;
struct iso_directory_record * rootp;
int joliet_level = 0;
- int high_sierra;
int iso_blknum, block;
int orig_zonesize;
int table;
@@ -526,9 +528,16 @@
unsigned long first_data_zone;
struct inode * inode;
struct iso9660_options opt;
+ struct isofs_sb_info * sbi;
+
+ sbi = kmalloc(sizeof(struct isofs_sb_info), GFP_KERNEL);
+ if (!sbi)
+ return -ENOMEM;
+ s->u.generic_sbp = sbi;
+ memset(sbi, 0, sizeof(struct isofs_sb_info));
if (!parse_options((char *) data, &opt))
- goto out_unlock;
+ goto out_freesbi;
#if 0
printk("map = %c\n", opt.map);
@@ -554,7 +563,7 @@
*/
opt.blocksize = sb_min_blocksize(s, opt.blocksize);
- s->u.isofs_sb.s_high_sierra = high_sierra = 0; /* default is iso9660 */
+ sbi->s_high_sierra = 0; /* default is iso9660 */
vol_desc_start = (opt.sbsector != -1) ?
opt.sbsector : isofs_get_last_session(s,opt.session);
@@ -614,8 +623,7 @@
if (isonum_711 (hdp->type) != ISO_VD_PRIMARY)
goto out_freebh;
- s->u.isofs_sb.s_high_sierra = 1;
- high_sierra = 1;
+ sbi->s_high_sierra = 1;
opt.rock = 'n';
h_pri = (struct hs_primary_descriptor *)vdp;
goto root_found;
@@ -646,29 +654,29 @@
pri = (struct iso_primary_descriptor *) sec;
}
- if(high_sierra){
+ if(sbi->s_high_sierra){
rootp = (struct iso_directory_record *) h_pri->root_directory_record;
#ifndef IGNORE_WRONG_MULTI_VOLUME_SPECS
if (isonum_723 (h_pri->volume_set_size) != 1)
goto out_no_support;
#endif /* IGNORE_WRONG_MULTI_VOLUME_SPECS */
- s->u.isofs_sb.s_nzones = isonum_733 (h_pri->volume_space_size);
- s->u.isofs_sb.s_log_zone_size = isonum_723 (h_pri->logical_block_size);
- s->u.isofs_sb.s_max_size = isonum_733(h_pri->volume_space_size);
+ sbi->s_nzones = isonum_733 (h_pri->volume_space_size);
+ sbi->s_log_zone_size = isonum_723 (h_pri->logical_block_size);
+ sbi->s_max_size = isonum_733(h_pri->volume_space_size);
} else {
rootp = (struct iso_directory_record *) pri->root_directory_record;
#ifndef IGNORE_WRONG_MULTI_VOLUME_SPECS
if (isonum_723 (pri->volume_set_size) != 1)
goto out_no_support;
#endif /* IGNORE_WRONG_MULTI_VOLUME_SPECS */
- s->u.isofs_sb.s_nzones = isonum_733 (pri->volume_space_size);
- s->u.isofs_sb.s_log_zone_size = isonum_723 (pri->logical_block_size);
- s->u.isofs_sb.s_max_size = isonum_733(pri->volume_space_size);
+ sbi->s_nzones = isonum_733 (pri->volume_space_size);
+ sbi->s_log_zone_size = isonum_723 (pri->logical_block_size);
+ sbi->s_max_size = isonum_733(pri->volume_space_size);
}
- s->u.isofs_sb.s_ninodes = 0; /* No way to figure this out easily */
+ sbi->s_ninodes = 0; /* No way to figure this out easily */
- orig_zonesize = s -> u.isofs_sb.s_log_zone_size;
+ orig_zonesize = sbi->s_log_zone_size;
/*
* If the zone size is smaller than the hardware sector size,
* this is a fatal error. This would occur if the disc drive
@@ -680,10 +688,10 @@
goto out_bad_size;
/* RDE: convert log zone size to bit shift */
- switch (s -> u.isofs_sb.s_log_zone_size)
- { case 512: s -> u.isofs_sb.s_log_zone_size = 9; break;
- case 1024: s -> u.isofs_sb.s_log_zone_size = 10; break;
- case 2048: s -> u.isofs_sb.s_log_zone_size = 11; break;
+ switch (sbi->s_log_zone_size)
+ { case 512: sbi->s_log_zone_size = 9; break;
+ case 1024: sbi->s_log_zone_size = 10; break;
+ case 2048: sbi->s_log_zone_size = 11; break;
default:
goto out_bad_zone_size;
@@ -705,16 +713,16 @@
first_data_zone = ((isonum_733 (rootp->extent) +
isonum_711 (rootp->ext_attr_length))
- << s -> u.isofs_sb.s_log_zone_size);
- s->u.isofs_sb.s_firstdatazone = first_data_zone;
+ << sbi->s_log_zone_size);
+ sbi->s_firstdatazone = first_data_zone;
#ifndef BEQUIET
printk(KERN_DEBUG "Max size:%ld Log zone size:%ld\n",
- s->u.isofs_sb.s_max_size,
- 1UL << s->u.isofs_sb.s_log_zone_size);
+ sbi->s_max_size,
+ 1UL << sbi->s_log_zone_size);
printk(KERN_DEBUG "First datazone:%ld Root inode number:%ld\n",
- s->u.isofs_sb.s_firstdatazone >> s -> u.isofs_sb.s_log_zone_size,
- s->u.isofs_sb.s_firstdatazone);
- if(high_sierra)
+ sbi->s_firstdatazone >> sbi->s_log_zone_size,
+ sbi->s_firstdatazone);
+ if(sbi->s_high_sierra)
printk(KERN_DEBUG "Disc in High Sierra format.\n");
#endif
@@ -732,7 +740,7 @@
pri->root_directory_record;
first_data_zone = ((isonum_733 (rootp->extent) +
isonum_711 (rootp->ext_attr_length))
- << s -> u.isofs_sb.s_log_zone_size);
+ << sbi->s_log_zone_size);
}
/*
@@ -761,43 +769,43 @@
*/
sb_set_blocksize(s, orig_zonesize);
- s->u.isofs_sb.s_nls_iocharset = NULL;
+ sbi->s_nls_iocharset = NULL;
#ifdef CONFIG_JOLIET
if (joliet_level && opt.utf8 == 0) {
char * p = opt.iocharset ? opt.iocharset : "iso8859-1";
- s->u.isofs_sb.s_nls_iocharset = load_nls(p);
- if (! s->u.isofs_sb.s_nls_iocharset) {
+ sbi->s_nls_iocharset = load_nls(p);
+ if (! sbi->s_nls_iocharset) {
/* Fail only if explicit charset specified */
if (opt.iocharset)
- goto out_unlock;
- s->u.isofs_sb.s_nls_iocharset = load_nls_default();
+ goto out_freesbi;
+ sbi->s_nls_iocharset = load_nls_default();
}
}
#endif
s->s_op = &isofs_sops;
- s->u.isofs_sb.s_mapping = opt.map;
- s->u.isofs_sb.s_rock = (opt.rock == 'y' ? 2 : 0);
- s->u.isofs_sb.s_rock_offset = -1; /* initial offset, will guess until SP is found*/
- s->u.isofs_sb.s_cruft = opt.cruft;
- s->u.isofs_sb.s_unhide = opt.unhide;
- s->u.isofs_sb.s_uid = opt.uid;
- s->u.isofs_sb.s_gid = opt.gid;
- s->u.isofs_sb.s_utf8 = opt.utf8;
- s->u.isofs_sb.s_nocompress = opt.nocompress;
+ sbi->s_mapping = opt.map;
+ sbi->s_rock = (opt.rock == 'y' ? 2 : 0);
+ sbi->s_rock_offset = -1; /* initial offset, will guess until SP is found*/
+ sbi->s_cruft = opt.cruft;
+ sbi->s_unhide = opt.unhide;
+ sbi->s_uid = opt.uid;
+ sbi->s_gid = opt.gid;
+ sbi->s_utf8 = opt.utf8;
+ sbi->s_nocompress = opt.nocompress;
/*
* It would be incredibly stupid to allow people to mark every file
* on the disk as suid, so we merely allow them to set the default
* permissions.
*/
- s->u.isofs_sb.s_mode = opt.mode & 0777;
+ sbi->s_mode = opt.mode & 0777;
/*
* Read the root inode, which _may_ result in changing
* the s_rock flag. Once we have the final s_rock value,
* we then decide whether to use the Joliet descriptor.
*/
- inode = iget(s, s->u.isofs_sb.s_firstdatazone);
+ inode = iget(s, sbi->s_firstdatazone);
/*
* If this disk has both Rock Ridge and Joliet on it, then we
@@ -807,16 +815,16 @@
* CD with Unicode names. Until someone sees such a beast, it
* will not be supported.
*/
- if (s->u.isofs_sb.s_rock == 1) {
+ if (sbi->s_rock == 1) {
joliet_level = 0;
} else if (joliet_level) {
- s->u.isofs_sb.s_rock = 0;
- if (s->u.isofs_sb.s_firstdatazone != first_data_zone) {
- s->u.isofs_sb.s_firstdatazone = first_data_zone;
+ sbi->s_rock = 0;
+ if (sbi->s_firstdatazone != first_data_zone) {
+ sbi->s_firstdatazone = first_data_zone;
printk(KERN_DEBUG
"ISOFS: changing to secondary root\n");
iput(inode);
- inode = iget(s, s->u.isofs_sb.s_firstdatazone);
+ inode = iget(s, sbi->s_firstdatazone);
}
}
@@ -825,7 +833,7 @@
if (joliet_level) opt.check = 'r';
else opt.check = 's';
}
- s->u.isofs_sb.s_joliet_level = joliet_level;
+ sbi->s_joliet_level = joliet_level;
/* check the root inode */
if (!inode)
@@ -855,18 +863,18 @@
out_iput:
iput(inode);
#ifdef CONFIG_JOLIET
- if (s->u.isofs_sb.s_nls_iocharset)
- unload_nls(s->u.isofs_sb.s_nls_iocharset);
+ if (sbi->s_nls_iocharset)
+ unload_nls(sbi->s_nls_iocharset);
#endif
- goto out_unlock;
+ goto out_freesbi;
out_no_read:
printk(KERN_WARNING "isofs_fill_super: "
"bread failed, dev=%s, iso_blknum=%d, block=%d\n",
s->s_id, iso_blknum, block);
- goto out_unlock;
+ goto out_freesbi;
out_bad_zone_size:
printk(KERN_WARNING "Bad logical zone size %ld\n",
- s->u.isofs_sb.s_log_zone_size);
+ sbi->s_log_zone_size);
goto out_freebh;
out_bad_size:
printk(KERN_WARNING "Logical zone size(%d) < hardware blocksize(%u)\n",
@@ -883,7 +891,9 @@
out_freebh:
brelse(bh);
-out_unlock:
+out_freesbi:
+ kfree(sbi);
+ s->u.generic_sbp = NULL;
return -EINVAL;
}
@@ -891,11 +901,11 @@
{
buf->f_type = ISOFS_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize;
- buf->f_blocks = (sb->u.isofs_sb.s_nzones
- << (sb->u.isofs_sb.s_log_zone_size - sb->s_blocksize_bits));
+ buf->f_blocks = (ISOFS_SB(sb)->s_nzones
+ << (ISOFS_SB(sb)->s_log_zone_size - sb->s_blocksize_bits));
buf->f_bfree = 0;
buf->f_bavail = 0;
- buf->f_files = sb->u.isofs_sb.s_ninodes;
+ buf->f_files = ISOFS_SB(sb)->s_ninodes;
buf->f_ffree = 0;
buf->f_namelen = NAME_MAX;
return 0;
@@ -1058,7 +1068,7 @@
{
unsigned long f_pos = inode->i_ino;
unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
- int high_sierra = inode->i_sb->u.isofs_sb.s_high_sierra;
+ int high_sierra = ISOFS_SB(inode->i_sb)->s_high_sierra;
struct buffer_head * bh = NULL;
unsigned long block, offset;
int i = 0;
@@ -1157,9 +1167,10 @@
static void isofs_read_inode(struct inode * inode)
{
struct super_block *sb = inode->i_sb;
+ struct isofs_sb_info *sbi = ISOFS_SB(sb);
unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
int block = inode->i_ino >> ISOFS_BUFFER_BITS(inode);
- int high_sierra = sb->u.isofs_sb.s_high_sierra;
+ int high_sierra = sbi->s_high_sierra;
struct buffer_head * bh = NULL;
struct iso_directory_record * de;
struct iso_directory_record * tmpde = NULL;
@@ -1205,7 +1216,7 @@
do it the hard way. */
} else {
/* Everybody gets to read the file. */
- inode->i_mode = inode->i_sb->u.isofs_sb.s_mode;
+ inode->i_mode = sbi->s_mode;
inode->i_nlink = 1;
inode->i_mode |= S_IFREG;
/* If there are no periods in the name,
@@ -1217,8 +1228,8 @@
if(i == de->name_len[0] || de->name[i] == ';')
inode->i_mode |= S_IXUGO; /* execute permission */
}
- inode->i_uid = inode->i_sb->u.isofs_sb.s_uid;
- inode->i_gid = inode->i_sb->u.isofs_sb.s_gid;
+ inode->i_uid = sbi->s_uid;
+ inode->i_gid = sbi->s_gid;
inode->i_blocks = inode->i_blksize = 0;
ei->i_format_parm[0] = 0;
@@ -1241,10 +1252,10 @@
* legal. Do not prevent to use DVD's schilling@fokus.gmd.de
*/
if ((inode->i_size < 0 || inode->i_size > 0x7FFFFFFE) &&
- inode->i_sb->u.isofs_sb.s_cruft == 'n') {
+ sbi->s_cruft == 'n') {
printk(KERN_WARNING "Warning: defective CD-ROM. "
"Enabling \"cruft\" mount option.\n");
- inode->i_sb->u.isofs_sb.s_cruft = 'y';
+ sbi->s_cruft = 'y';
}
/*
@@ -1254,7 +1265,7 @@
* on the CDROM.
*/
- if (inode->i_sb->u.isofs_sb.s_cruft == 'y' &&
+ if (sbi->s_cruft == 'y' &&
inode->i_size & 0xff000000) {
inode->i_size &= 0x00ffffff;
}
@@ -1298,8 +1309,8 @@
if (!high_sierra) {
parse_rock_ridge_inode(de, inode);
/* if we want uid/gid set, override the rock ridge setting */
- test_and_set_uid(&inode->i_uid, inode->i_sb->u.isofs_sb.s_uid);
- test_and_set_gid(&inode->i_gid, inode->i_sb->u.isofs_sb.s_gid);
+ test_and_set_uid(&inode->i_uid, sbi->s_uid);
+ test_and_set_gid(&inode->i_gid, sbi->s_gid);
}
/* get the volume sequence number */
@@ -1311,17 +1322,17 @@
* of which is limiting the file size to 16Mb. Thus we silently allow
* volume numbers of 0 to go through without complaining.
*/
- if (inode->i_sb->u.isofs_sb.s_cruft == 'n' &&
+ if (sbi->s_cruft == 'n' &&
(volume_seq_no != 0) && (volume_seq_no != 1)) {
printk(KERN_WARNING "Warning: defective CD-ROM "
"(volume sequence number %d). "
"Enabling \"cruft\" mount option.\n", volume_seq_no);
- inode->i_sb->u.isofs_sb.s_cruft = 'y';
+ sbi->s_cruft = 'y';
}
/* Install the inode operations vector */
#ifndef IGNORE_WRONG_MULTI_VOLUME_SPECS
- if (inode->i_sb->u.isofs_sb.s_cruft != 'y' &&
+ if (sbi->s_cruft != 'y' &&
(volume_seq_no != 0) && (volume_seq_no != 1)) {
printk(KERN_WARNING "Multi-volume CD somehow got mounted.\n");
} else
diff -urN linux-2.5.7-pre2/fs/isofs/joliet.c linux/fs/isofs/joliet.c
--- linux-2.5.7-pre2/fs/isofs/joliet.c Thu Mar 7 21:18:58 2002
+++ linux/fs/isofs/joliet.c Sat Mar 16 00:32:28 2002
@@ -77,8 +77,8 @@
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,
diff -urN linux-2.5.7-pre2/fs/isofs/namei.c linux/fs/isofs/namei.c
--- linux-2.5.7-pre2/fs/isofs/namei.c Thu Mar 7 21:18:56 2002
+++ linux/fs/isofs/namei.c Sat Mar 16 00:32:28 2002
@@ -65,6 +65,7 @@
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 @@
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 @@
*/
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);
}
diff -urN linux-2.5.7-pre2/fs/isofs/rock.c linux/fs/isofs/rock.c
--- linux-2.5.7-pre2/fs/isofs/rock.c Thu Mar 7 21:18:04 2002
+++ linux/fs/isofs/rock.c Sat Mar 16 00:32:28 2002
@@ -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 @@
/* 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 @@
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 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 @@
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 @@
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 @@
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 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 @@
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;
diff -urN linux-2.5.7-pre2/include/linux/fs.h linux/include/linux/fs.h
--- linux-2.5.7-pre2/include/linux/fs.h Sat Mar 16 00:17:34 2002
+++ linux/include/linux/fs.h Sat Mar 16 00:38:59 2002
@@ -648,7 +648,6 @@
#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 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;
diff -urN linux-2.5.7-pre2/include/linux/iso_fs.h linux/include/linux/iso_fs.h
--- linux-2.5.7-pre2/include/linux/iso_fs.h Thu Mar 14 20:53:49 2002
+++ linux/include/linux/iso_fs.h Sat Mar 16 00:39:11 2002
@@ -160,7 +160,6 @@
#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 @@
#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)
{
reply other threads:[~2002-03-17 15:19 UTC|newest]
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