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-rw-r--r--fs/isofs/inode.c55
-rw-r--r--fs/isofs/symlink.c1
2 files changed, 44 insertions, 12 deletions
diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c
index 049a0cc15..1d88aaea8 100644
--- a/fs/isofs/inode.c
+++ b/fs/isofs/inode.c
@@ -126,6 +126,9 @@ struct iso9660_options{
uid_t uid;
char *iocharset;
unsigned char utf8;
+ /* LVE */
+ s32 session;
+ s32 sbsector;
};
/*
@@ -294,6 +297,8 @@ static int parse_options(char *options, struct iso9660_options * popt)
popt->uid = 0;
popt->iocharset = NULL;
popt->utf8 = 0;
+ popt->session=-1;
+ popt->sbsector=-1;
if (!options) return 1;
for (this_char = strtok(options,","); this_char; this_char = strtok(NULL,",")) {
if (strncmp(this_char,"norock",6) == 0) {
@@ -337,6 +342,18 @@ static int parse_options(char *options, struct iso9660_options * popt)
else if (!strcmp(value,"acorn")) popt->map = 'a';
else return 0;
}
+ if (!strcmp(this_char,"session") && value) {
+ char * vpnt = value;
+ unsigned int ivalue = simple_strtoul(vpnt, &vpnt, 0);
+ if(ivalue < 0 || ivalue >99) return 0;
+ popt->session=ivalue+1;
+ }
+ if (!strcmp(this_char,"sbsector") && value) {
+ char * vpnt = value;
+ unsigned int ivalue = simple_strtoul(vpnt, &vpnt, 0);
+ if(ivalue < 0 || ivalue >660*512) return 0;
+ popt->sbsector=ivalue;
+ }
else if (!strcmp(this_char,"check") && value) {
if (value[0] && !value[1] && strchr("rs",*value))
popt->check = *value;
@@ -404,7 +421,7 @@ static int parse_options(char *options, struct iso9660_options * popt)
*/
#define WE_OBEY_THE_WRITTEN_STANDARDS 1
-static unsigned int isofs_get_last_session(kdev_t dev)
+static unsigned int isofs_get_last_session(kdev_t dev,s32 session )
{
struct cdrom_multisession ms_info;
unsigned int vol_desc_start;
@@ -423,13 +440,29 @@ static unsigned int isofs_get_last_session(kdev_t dev)
*/
mm_segment_t old_fs=get_fs();
inode_fake.i_rdev=dev;
+ init_waitqueue_head(&inode_fake.i_wait);
ms_info.addr_format=CDROM_LBA;
set_fs(KERNEL_DS);
+ if(session >= 0 && session <= 99) {
+ struct cdrom_tocentry Te;
+ Te.cdte_track=session;
+ Te.cdte_format=CDROM_LBA;
+ i=get_blkfops(MAJOR(dev))->ioctl(&inode_fake,
+ NULL,
+ CDROMREADTOCENTRY,
+ (unsigned long) &Te);
+ set_fs(old_fs);
+ if(!i) printk(KERN_ERR"Session %d start %d type %d\n",session,Te.cdte_addr.lba,Te.cdte_ctrl&CDROM_DATA_TRACK);
+ if(i || (Te.cdte_ctrl&CDROM_DATA_TRACK) != 4)
+ printk(KERN_ERR"Invalid session number or type of track\n");
+ else return Te.cdte_addr.lba;
+ }
i=get_blkfops(MAJOR(dev))->ioctl(&inode_fake,
NULL,
CDROMMULTISESSION,
(unsigned long) &ms_info);
set_fs(old_fs);
+ if(session > 0) printk(KERN_ERR"Invalid session number\n");
#if 0
printk("isofs.inode: CDROMMULTISESSION: rc=%d\n",i);
if (i==0)
@@ -523,7 +556,8 @@ struct super_block *isofs_read_super(struct super_block *s, void *data,
s->u.isofs_sb.s_high_sierra = high_sierra = 0; /* default is iso9660 */
- vol_desc_start = isofs_get_last_session(dev);
+ vol_desc_start = (opt.sbsector != -1) ?
+ opt.sbsector : isofs_get_last_session(dev,opt.session);
for (iso_blknum = vol_desc_start+16;
iso_blknum < vol_desc_start+100; iso_blknum++)
@@ -801,7 +835,7 @@ root_found:
if (!inode->i_op)
goto out_bad_root;
/* get the root dentry */
- s->s_root = d_alloc_root(inode, NULL);
+ s->s_root = d_alloc_root(inode);
if (!(s->s_root))
goto out_no_root;
@@ -1116,7 +1150,7 @@ void isofs_read_inode(struct inode * inode)
.. but a DVD may be up to 1Gig (Ulrich Habel) */
if((inode->i_size < 0 || inode->i_size > 1073741824) &&
inode->i_sb->u.isofs_sb.s_cruft == 'n') {
- printk("Warning: defective cdrom. Enabling \"cruft\" mount option.\n");
+ printk(KERN_WARNING "Warning: defective CD-ROM. Enabling \"cruft\" mount option.\n");
inode->i_sb->u.isofs_sb.s_cruft = 'y';
}
@@ -1191,7 +1225,7 @@ void isofs_read_inode(struct inode * inode)
*/
if (inode->i_sb->u.isofs_sb.s_cruft == 'n' &&
(volume_seq_no != 0) && (volume_seq_no != 1)) {
- printk("Warning: defective cdrom (volume sequence number). Enabling \"cruft\" mount option.\n");
+ printk(KERN_WARNING "Warning: defective CD-ROM (volume sequence number). Enabling \"cruft\" mount option.\n");
inode->i_sb->u.isofs_sb.s_cruft = 'y';
}
@@ -1200,7 +1234,7 @@ void isofs_read_inode(struct inode * inode)
#ifndef IGNORE_WRONG_MULTI_VOLUME_SPECS
if (inode->i_sb->u.isofs_sb.s_cruft != 'y' &&
(volume_seq_no != 0) && (volume_seq_no != 1)) {
- printk("Multi volume CD somehow got mounted.\n");
+ printk(KERN_WARNING "Multi-volume CD somehow got mounted.\n");
} else
#endif IGNORE_WRONG_MULTI_VOLUME_SPECS
{
@@ -1210,12 +1244,9 @@ void isofs_read_inode(struct inode * inode)
inode->i_op = &isofs_dir_inode_operations;
else if (S_ISLNK(inode->i_mode))
inode->i_op = &isofs_symlink_inode_operations;
- else if (S_ISCHR(inode->i_mode))
- inode->i_op = &chrdev_inode_operations;
- else if (S_ISBLK(inode->i_mode))
- inode->i_op = &blkdev_inode_operations;
- else if (S_ISFIFO(inode->i_mode))
- init_fifo(inode);
+ else
+ /* XXX - parse_rock_ridge_inode() had already set i_rdev. */
+ init_special_inode(inode, inode->i_mode, kdev_t_to_nr(inode->i_rdev));
}
return;
diff --git a/fs/isofs/symlink.c b/fs/isofs/symlink.c
index 0f909c428..5de4a8748 100644
--- a/fs/isofs/symlink.c
+++ b/fs/isofs/symlink.c
@@ -9,6 +9,7 @@
* extensions to iso9660
*/
+#include <linux/string.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/fs.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 03:12:21 +0000