isofs: fix up CodingStyle
fs/isofs/* had a bunch of CodingStyle issues. * Indentation was a mix of spaces and tabs * "int * foo" instead of "int *foo" * "while ( foo )" instead of "while (foo)" * if (foo) blah; on one line instead of two * Missing printk KERN_ levels * lots of trailing whitespace * lines >80 columns changed to wrap. * Unnecessary prototype removed by shuffling code order in C file. Should be no functional changes other than slight size increase due to printk changes. Further improvement possible, but this is a start.. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Родитель
1b28f22a87
Коммит
c3ed85a36f
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@ -7,34 +7,18 @@
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*
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* Steve Beynon : Missing last directory entries fixed
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* (stephen@askone.demon.co.uk) : 21st June 1996
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*
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*
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* isofs directory handling functions
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*/
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#include <linux/smp_lock.h>
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#include "isofs.h"
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static int isofs_readdir(struct file *, void *, filldir_t);
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const struct file_operations isofs_dir_operations =
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{
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.read = generic_read_dir,
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.readdir = isofs_readdir,
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};
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/*
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* directories can handle most operations...
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*/
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const struct inode_operations isofs_dir_inode_operations =
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{
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.lookup = isofs_lookup,
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};
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int isofs_name_translate(struct iso_directory_record *de, char *new, struct inode *inode)
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{
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char * old = de->name;
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int len = de->name_len[0];
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int i;
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for (i = 0; i < len; i++) {
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unsigned char c = old[i];
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if (!c)
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@ -62,22 +46,27 @@ int isofs_name_translate(struct iso_directory_record *de, char *new, struct inod
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}
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/* Acorn extensions written by Matthew Wilcox <willy@bofh.ai> 1998 */
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int get_acorn_filename(struct iso_directory_record * de,
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char * retname, struct inode * inode)
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int get_acorn_filename(struct iso_directory_record *de,
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char *retname, struct inode *inode)
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{
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int std;
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unsigned char * chr;
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unsigned char *chr;
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int retnamlen = isofs_name_translate(de, retname, inode);
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if (retnamlen == 0) return 0;
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if (retnamlen == 0)
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return 0;
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std = sizeof(struct iso_directory_record) + de->name_len[0];
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if (std & 1) std++;
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if ((*((unsigned char *) de) - std) != 32) return retnamlen;
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if (std & 1)
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std++;
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if ((*((unsigned char *) de) - std) != 32)
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return retnamlen;
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chr = ((unsigned char *) de) + std;
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if (strncmp(chr, "ARCHIMEDES", 10)) return retnamlen;
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if ((*retname == '_') && ((chr[19] & 1) == 1)) *retname = '!';
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if (strncmp(chr, "ARCHIMEDES", 10))
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return retnamlen;
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if ((*retname == '_') && ((chr[19] & 1) == 1))
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*retname = '!';
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if (((de->flags[0] & 2) == 0) && (chr[13] == 0xff)
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&& ((chr[12] & 0xf0) == 0xf0))
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{
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&& ((chr[12] & 0xf0) == 0xf0)) {
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retname[retnamlen] = ',';
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sprintf(retname+retnamlen+1, "%3.3x",
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((chr[12] & 0xf) << 8) | chr[11]);
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@ -91,7 +80,7 @@ int get_acorn_filename(struct iso_directory_record * de,
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*/
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static int do_isofs_readdir(struct inode *inode, struct file *filp,
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void *dirent, filldir_t filldir,
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char * tmpname, struct iso_directory_record * tmpde)
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char *tmpname, struct iso_directory_record *tmpde)
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{
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unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
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unsigned char bufbits = ISOFS_BUFFER_BITS(inode);
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@ -121,9 +110,11 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
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de_len = *(unsigned char *) de;
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/* If the length byte is zero, we should move on to the next
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CDROM sector. If we are at the end of the directory, we
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kick out of the while loop. */
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/*
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* If the length byte is zero, we should move on to the next
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* CDROM sector. If we are at the end of the directory, we
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* kick out of the while loop.
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*/
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if (de_len == 0) {
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brelse(bh);
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@ -157,11 +148,10 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
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if (first_de) {
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isofs_normalize_block_and_offset(de,
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&block_saved,
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&offset_saved);
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&block_saved,
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&offset_saved);
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inode_number = isofs_get_ino(block_saved,
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offset_saved,
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bufbits);
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offset_saved, bufbits);
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}
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if (de->flags[-sbi->s_high_sierra] & 0x80) {
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@ -199,7 +189,7 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
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*/
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if ((sbi->s_hide == 'y' &&
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(de->flags[-sbi->s_high_sierra] & 1)) ||
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(sbi->s_showassoc =='n' &&
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(sbi->s_showassoc =='n' &&
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(de->flags[-sbi->s_high_sierra] & 4))) {
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filp->f_pos += de_len;
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continue;
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@ -240,7 +230,8 @@ static int do_isofs_readdir(struct inode *inode, struct file *filp,
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continue;
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}
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if (bh) brelse(bh);
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if (bh)
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brelse(bh);
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return 0;
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}
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@ -253,8 +244,8 @@ static int isofs_readdir(struct file *filp,
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void *dirent, filldir_t filldir)
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{
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int result;
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char * tmpname;
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struct iso_directory_record * tmpde;
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char *tmpname;
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struct iso_directory_record *tmpde;
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struct inode *inode = filp->f_path.dentry->d_inode;
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tmpname = (char *)__get_free_page(GFP_KERNEL);
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@ -270,3 +261,19 @@ static int isofs_readdir(struct file *filp,
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unlock_kernel();
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return result;
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}
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const struct file_operations isofs_dir_operations =
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{
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.read = generic_read_dir,
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.readdir = isofs_readdir,
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};
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/*
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* directories can handle most operations...
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*/
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const struct inode_operations isofs_dir_inode_operations =
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{
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.lookup = isofs_lookup,
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};
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415
fs/isofs/inode.c
415
fs/isofs/inode.c
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@ -73,20 +73,20 @@ static void isofs_destroy_inode(struct inode *inode)
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kmem_cache_free(isofs_inode_cachep, ISOFS_I(inode));
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}
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static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags)
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static void init_once(void *foo, struct kmem_cache *cachep, unsigned long flags)
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{
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struct iso_inode_info *ei = foo;
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inode_init_once(&ei->vfs_inode);
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}
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static int init_inodecache(void)
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{
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isofs_inode_cachep = kmem_cache_create("isofs_inode_cache",
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sizeof(struct iso_inode_info),
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0, (SLAB_RECLAIM_ACCOUNT|
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SLAB_MEM_SPREAD),
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init_once, NULL);
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sizeof(struct iso_inode_info),
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0, (SLAB_RECLAIM_ACCOUNT|
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SLAB_MEM_SPREAD),
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init_once, NULL);
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if (isofs_inode_cachep == NULL)
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return -ENOMEM;
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return 0;
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@ -150,9 +150,9 @@ struct iso9660_options{
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uid_t uid;
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char *iocharset;
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unsigned char utf8;
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/* LVE */
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s32 session;
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s32 sbsector;
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/* LVE */
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s32 session;
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s32 sbsector;
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};
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/*
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@ -360,10 +360,12 @@ static int parse_options(char *options, struct iso9660_options *popt)
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popt->check = 'u'; /* unset */
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popt->nocompress = 0;
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popt->blocksize = 1024;
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popt->mode = S_IRUGO | S_IXUGO; /* r-x for all. The disc could
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be shared with DOS machines so
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virtually anything could be
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a valid executable. */
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popt->mode = S_IRUGO | S_IXUGO; /*
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* r-x for all. The disc could
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* be shared with DOS machines so
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* virtually anything could be
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* a valid executable.
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*/
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popt->gid = 0;
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popt->uid = 0;
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popt->iocharset = NULL;
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@ -503,30 +505,30 @@ static unsigned int isofs_get_last_session(struct super_block *sb, s32 session)
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Te.cdte_format=CDROM_LBA;
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i = ioctl_by_bdev(bdev, CDROMREADTOCENTRY, (unsigned long) &Te);
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if (!i) {
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printk(KERN_DEBUG "Session %d start %d type %d\n",
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session, Te.cdte_addr.lba,
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Te.cdte_ctrl&CDROM_DATA_TRACK);
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printk(KERN_DEBUG "ISOFS: Session %d start %d type %d\n",
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session, Te.cdte_addr.lba,
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Te.cdte_ctrl&CDROM_DATA_TRACK);
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if ((Te.cdte_ctrl&CDROM_DATA_TRACK) == 4)
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return Te.cdte_addr.lba;
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}
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printk(KERN_ERR "Invalid session number or type of track\n");
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printk(KERN_ERR "ISOFS: Invalid session number or type of track\n");
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}
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i = ioctl_by_bdev(bdev, CDROMMULTISESSION, (unsigned long) &ms_info);
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if (session > 0)
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printk(KERN_ERR "Invalid session number\n");
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printk(KERN_ERR "ISOFS: Invalid session number\n");
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#if 0
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printk("isofs.inode: CDROMMULTISESSION: rc=%d\n",i);
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printk(KERN_DEBUG "isofs.inode: CDROMMULTISESSION: rc=%d\n",i);
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if (i==0) {
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printk("isofs.inode: XA disk: %s\n",ms_info.xa_flag?"yes":"no");
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printk("isofs.inode: vol_desc_start = %d\n", ms_info.addr.lba);
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printk(KERN_DEBUG "isofs.inode: XA disk: %s\n",ms_info.xa_flag?"yes":"no");
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printk(KERN_DEBUG "isofs.inode: vol_desc_start = %d\n", ms_info.addr.lba);
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}
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#endif
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if (i==0)
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#if WE_OBEY_THE_WRITTEN_STANDARDS
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if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */
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if (ms_info.xa_flag) /* necessary for a valid ms_info.addr */
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#endif
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vol_desc_start=ms_info.addr.lba;
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vol_desc_start=ms_info.addr.lba;
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return vol_desc_start;
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}
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@ -538,20 +540,20 @@ static unsigned int isofs_get_last_session(struct super_block *sb, s32 session)
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*/
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static int isofs_fill_super(struct super_block *s, void *data, int silent)
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{
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struct buffer_head * bh = NULL, *pri_bh = NULL;
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struct hs_primary_descriptor * h_pri = NULL;
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struct iso_primary_descriptor * pri = NULL;
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struct buffer_head *bh = NULL, *pri_bh = NULL;
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struct hs_primary_descriptor *h_pri = NULL;
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struct iso_primary_descriptor *pri = NULL;
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struct iso_supplementary_descriptor *sec = NULL;
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struct iso_directory_record * rootp;
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int joliet_level = 0;
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int iso_blknum, block;
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int orig_zonesize;
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int table;
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unsigned int vol_desc_start;
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unsigned long first_data_zone;
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struct inode * inode;
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struct iso9660_options opt;
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struct isofs_sb_info * sbi;
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struct iso_directory_record *rootp;
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struct inode *inode;
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struct iso9660_options opt;
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struct isofs_sb_info *sbi;
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unsigned long first_data_zone;
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int joliet_level = 0;
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int iso_blknum, block;
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int orig_zonesize;
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int table;
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unsigned int vol_desc_start;
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sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
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if (!sbi)
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@ -577,72 +579,73 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
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vol_desc_start = (opt.sbsector != -1) ?
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opt.sbsector : isofs_get_last_session(s,opt.session);
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for (iso_blknum = vol_desc_start+16;
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iso_blknum < vol_desc_start+100; iso_blknum++)
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{
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struct hs_volume_descriptor * hdp;
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struct iso_volume_descriptor * vdp;
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for (iso_blknum = vol_desc_start+16;
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iso_blknum < vol_desc_start+100; iso_blknum++) {
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struct hs_volume_descriptor *hdp;
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struct iso_volume_descriptor *vdp;
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block = iso_blknum << (ISOFS_BLOCK_BITS - s->s_blocksize_bits);
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if (!(bh = sb_bread(s, block)))
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goto out_no_read;
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block = iso_blknum << (ISOFS_BLOCK_BITS - s->s_blocksize_bits);
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if (!(bh = sb_bread(s, block)))
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goto out_no_read;
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vdp = (struct iso_volume_descriptor *)bh->b_data;
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hdp = (struct hs_volume_descriptor *)bh->b_data;
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/* Due to the overlapping physical location of the descriptors,
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* ISO CDs can match hdp->id==HS_STANDARD_ID as well. To ensure
|
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* proper identification in this case, we first check for ISO.
|
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*/
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if (strncmp (vdp->id, ISO_STANDARD_ID, sizeof vdp->id) == 0) {
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if (isonum_711 (vdp->type) == ISO_VD_END)
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break;
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if (isonum_711 (vdp->type) == ISO_VD_PRIMARY) {
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if (pri == NULL) {
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pri = (struct iso_primary_descriptor *)vdp;
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/* Save the buffer in case we need it ... */
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pri_bh = bh;
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bh = NULL;
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}
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}
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#ifdef CONFIG_JOLIET
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else if (isonum_711 (vdp->type) == ISO_VD_SUPPLEMENTARY) {
|
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sec = (struct iso_supplementary_descriptor *)vdp;
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if (sec->escape[0] == 0x25 && sec->escape[1] == 0x2f) {
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if (opt.joliet == 'y') {
|
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if (sec->escape[2] == 0x40) {
|
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joliet_level = 1;
|
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} else if (sec->escape[2] == 0x43) {
|
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joliet_level = 2;
|
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} else if (sec->escape[2] == 0x45) {
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joliet_level = 3;
|
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}
|
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printk(KERN_DEBUG"ISO 9660 Extensions: Microsoft Joliet Level %d\n",
|
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joliet_level);
|
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vdp = (struct iso_volume_descriptor *)bh->b_data;
|
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hdp = (struct hs_volume_descriptor *)bh->b_data;
|
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|
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/*
|
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* Due to the overlapping physical location of the descriptors,
|
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* ISO CDs can match hdp->id==HS_STANDARD_ID as well. To ensure
|
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* proper identification in this case, we first check for ISO.
|
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*/
|
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if (strncmp (vdp->id, ISO_STANDARD_ID, sizeof vdp->id) == 0) {
|
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if (isonum_711(vdp->type) == ISO_VD_END)
|
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break;
|
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if (isonum_711(vdp->type) == ISO_VD_PRIMARY) {
|
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if (pri == NULL) {
|
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pri = (struct iso_primary_descriptor *)vdp;
|
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/* Save the buffer in case we need it ... */
|
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pri_bh = bh;
|
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bh = NULL;
|
||||
}
|
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}
|
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#ifdef CONFIG_JOLIET
|
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else if (isonum_711(vdp->type) == ISO_VD_SUPPLEMENTARY) {
|
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sec = (struct iso_supplementary_descriptor *)vdp;
|
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if (sec->escape[0] == 0x25 && sec->escape[1] == 0x2f) {
|
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if (opt.joliet == 'y') {
|
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if (sec->escape[2] == 0x40)
|
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joliet_level = 1;
|
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else if (sec->escape[2] == 0x43)
|
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joliet_level = 2;
|
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else if (sec->escape[2] == 0x45)
|
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joliet_level = 3;
|
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|
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printk(KERN_DEBUG "ISO 9660 Extensions: "
|
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"Microsoft Joliet Level %d\n",
|
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joliet_level);
|
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}
|
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goto root_found;
|
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} else {
|
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/* Unknown supplementary volume descriptor */
|
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sec = NULL;
|
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}
|
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}
|
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goto root_found;
|
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} else {
|
||||
/* Unknown supplementary volume descriptor */
|
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sec = NULL;
|
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}
|
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}
|
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#endif
|
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} else {
|
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if (strncmp (hdp->id, HS_STANDARD_ID, sizeof hdp->id) == 0) {
|
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if (isonum_711 (hdp->type) != ISO_VD_PRIMARY)
|
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goto out_freebh;
|
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|
||||
sbi->s_high_sierra = 1;
|
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opt.rock = 'n';
|
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h_pri = (struct hs_primary_descriptor *)vdp;
|
||||
goto root_found;
|
||||
} else {
|
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if (strncmp (hdp->id, HS_STANDARD_ID, sizeof hdp->id) == 0) {
|
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if (isonum_711(hdp->type) != ISO_VD_PRIMARY)
|
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goto out_freebh;
|
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|
||||
sbi->s_high_sierra = 1;
|
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opt.rock = 'n';
|
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h_pri = (struct hs_primary_descriptor *)vdp;
|
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goto root_found;
|
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}
|
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}
|
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}
|
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|
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/* Just skip any volume descriptors we don't recognize */
|
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/* Just skip any volume descriptors we don't recognize */
|
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|
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brelse(bh);
|
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bh = NULL;
|
||||
brelse(bh);
|
||||
bh = NULL;
|
||||
}
|
||||
/*
|
||||
* If we fall through, either no volume descriptor was found,
|
||||
|
@ -657,24 +660,24 @@ static int isofs_fill_super(struct super_block *s, void *data, int silent)
|
|||
root_found:
|
||||
|
||||
if (joliet_level && (pri == NULL || opt.rock == 'n')) {
|
||||
/* This is the case of Joliet with the norock mount flag.
|
||||
* A disc with both Joliet and Rock Ridge is handled later
|
||||
*/
|
||||
pri = (struct iso_primary_descriptor *) sec;
|
||||
/* This is the case of Joliet with the norock mount flag.
|
||||
* A disc with both Joliet and Rock Ridge is handled later
|
||||
*/
|
||||
pri = (struct iso_primary_descriptor *) sec;
|
||||
}
|
||||
|
||||
if(sbi->s_high_sierra){
|
||||
rootp = (struct iso_directory_record *) h_pri->root_directory_record;
|
||||
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);
|
||||
rootp = (struct iso_directory_record *) h_pri->root_directory_record;
|
||||
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 {
|
||||
if (!pri)
|
||||
goto out_freebh;
|
||||
rootp = (struct iso_directory_record *) pri->root_directory_record;
|
||||
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);
|
||||
if (!pri)
|
||||
goto out_freebh;
|
||||
rootp = (struct iso_directory_record *) pri->root_directory_record;
|
||||
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);
|
||||
}
|
||||
|
||||
sbi->s_ninodes = 0; /* No way to figure this out easily */
|
||||
|
@ -687,42 +690,43 @@ root_found:
|
|||
* blocks that were 512 bytes (which should only very rarely
|
||||
* happen.)
|
||||
*/
|
||||
if(orig_zonesize < opt.blocksize)
|
||||
if (orig_zonesize < opt.blocksize)
|
||||
goto out_bad_size;
|
||||
|
||||
/* RDE: convert log zone size to bit shift */
|
||||
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;
|
||||
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:
|
||||
default:
|
||||
goto out_bad_zone_size;
|
||||
}
|
||||
}
|
||||
|
||||
s->s_magic = ISOFS_SUPER_MAGIC;
|
||||
s->s_maxbytes = 0xffffffff; /* We can handle files up to 4 GB */
|
||||
|
||||
/* The CDROM is read-only, has no nodes (devices) on it, and since
|
||||
all of the files appear to be owned by root, we really do not want
|
||||
to allow suid. (suid or devices will not show up unless we have
|
||||
Rock Ridge extensions) */
|
||||
/*
|
||||
* The CDROM is read-only, has no nodes (devices) on it, and since
|
||||
* all of the files appear to be owned by root, we really do not want
|
||||
* to allow suid. (suid or devices will not show up unless we have
|
||||
* Rock Ridge extensions)
|
||||
*/
|
||||
|
||||
s->s_flags |= MS_RDONLY /* | MS_NODEV | MS_NOSUID */;
|
||||
|
||||
/* Set this for reference. Its not currently used except on write
|
||||
which we don't have .. */
|
||||
|
||||
first_data_zone = isonum_733 (rootp->extent) +
|
||||
isonum_711 (rootp->ext_attr_length);
|
||||
|
||||
first_data_zone = isonum_733(rootp->extent) +
|
||||
isonum_711(rootp->ext_attr_length);
|
||||
sbi->s_firstdatazone = first_data_zone;
|
||||
#ifndef BEQUIET
|
||||
printk(KERN_DEBUG "Max size:%ld Log zone size:%ld\n",
|
||||
sbi->s_max_size,
|
||||
1UL << sbi->s_log_zone_size);
|
||||
printk(KERN_DEBUG "First datazone:%ld\n", sbi->s_firstdatazone);
|
||||
printk(KERN_DEBUG "ISOFS: Max size:%ld Log zone size:%ld\n",
|
||||
sbi->s_max_size, 1UL << sbi->s_log_zone_size);
|
||||
printk(KERN_DEBUG "ISOFS: First datazone:%ld\n", sbi->s_firstdatazone);
|
||||
if(sbi->s_high_sierra)
|
||||
printk(KERN_DEBUG "Disc in High Sierra format.\n");
|
||||
printk(KERN_DEBUG "ISOFS: Disc in High Sierra format.\n");
|
||||
#endif
|
||||
|
||||
/*
|
||||
|
@ -737,8 +741,8 @@ root_found:
|
|||
pri = (struct iso_primary_descriptor *) sec;
|
||||
rootp = (struct iso_directory_record *)
|
||||
pri->root_directory_record;
|
||||
first_data_zone = isonum_733 (rootp->extent) +
|
||||
isonum_711 (rootp->ext_attr_length);
|
||||
first_data_zone = isonum_733(rootp->extent) +
|
||||
isonum_711(rootp->ext_attr_length);
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -771,7 +775,7 @@ root_found:
|
|||
|
||||
#ifdef CONFIG_JOLIET
|
||||
if (joliet_level && opt.utf8 == 0) {
|
||||
char * p = opt.iocharset ? opt.iocharset : CONFIG_NLS_DEFAULT;
|
||||
char *p = opt.iocharset ? opt.iocharset : CONFIG_NLS_DEFAULT;
|
||||
sbi->s_nls_iocharset = load_nls(p);
|
||||
if (! sbi->s_nls_iocharset) {
|
||||
/* Fail only if explicit charset specified */
|
||||
|
@ -821,7 +825,7 @@ root_found:
|
|||
sbi->s_rock = 0;
|
||||
if (sbi->s_firstdatazone != first_data_zone) {
|
||||
sbi->s_firstdatazone = first_data_zone;
|
||||
printk(KERN_DEBUG
|
||||
printk(KERN_DEBUG
|
||||
"ISOFS: changing to secondary root\n");
|
||||
iput(inode);
|
||||
inode = isofs_iget(s, sbi->s_firstdatazone, 0);
|
||||
|
@ -830,8 +834,10 @@ root_found:
|
|||
|
||||
if (opt.check == 'u') {
|
||||
/* Only Joliet is case insensitive by default */
|
||||
if (joliet_level) opt.check = 'r';
|
||||
else opt.check = 's';
|
||||
if (joliet_level)
|
||||
opt.check = 'r';
|
||||
else
|
||||
opt.check = 's';
|
||||
}
|
||||
sbi->s_joliet_level = joliet_level;
|
||||
|
||||
|
@ -846,8 +852,10 @@ root_found:
|
|||
goto out_no_root;
|
||||
|
||||
table = 0;
|
||||
if (joliet_level) table += 2;
|
||||
if (opt.check == 'r') table++;
|
||||
if (joliet_level)
|
||||
table += 2;
|
||||
if (opt.check == 'r')
|
||||
table++;
|
||||
s->s_root->d_op = &isofs_dentry_ops[table];
|
||||
|
||||
kfree(opt.iocharset);
|
||||
|
@ -858,10 +866,10 @@ root_found:
|
|||
* Display error messages and free resources.
|
||||
*/
|
||||
out_bad_root:
|
||||
printk(KERN_WARNING "isofs_fill_super: root inode not initialized\n");
|
||||
printk(KERN_WARNING "%s: root inode not initialized\n", __func__);
|
||||
goto out_iput;
|
||||
out_no_root:
|
||||
printk(KERN_WARNING "isofs_fill_super: get root inode failed\n");
|
||||
printk(KERN_WARNING "%s: get root inode failed\n", __func__);
|
||||
out_iput:
|
||||
iput(inode);
|
||||
#ifdef CONFIG_JOLIET
|
||||
|
@ -870,21 +878,20 @@ out_iput:
|
|||
#endif
|
||||
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);
|
||||
printk(KERN_WARNING "%s: bread failed, dev=%s, iso_blknum=%d, block=%d\n",
|
||||
__func__, s->s_id, iso_blknum, block);
|
||||
goto out_freesbi;
|
||||
out_bad_zone_size:
|
||||
printk(KERN_WARNING "Bad logical zone size %ld\n",
|
||||
printk(KERN_WARNING "ISOFS: Bad logical zone size %ld\n",
|
||||
sbi->s_log_zone_size);
|
||||
goto out_freebh;
|
||||
out_bad_size:
|
||||
printk(KERN_WARNING "Logical zone size(%d) < hardware blocksize(%u)\n",
|
||||
printk(KERN_WARNING "ISOFS: Logical zone size(%d) < hardware blocksize(%u)\n",
|
||||
orig_zonesize, opt.blocksize);
|
||||
goto out_freebh;
|
||||
out_unknown_format:
|
||||
if (!silent)
|
||||
printk(KERN_WARNING "Unable to identify CD-ROM format.\n");
|
||||
printk(KERN_WARNING "ISOFS: Unable to identify CD-ROM format.\n");
|
||||
|
||||
out_freebh:
|
||||
brelse(bh);
|
||||
|
@ -902,7 +909,7 @@ static int isofs_statfs (struct dentry *dentry, struct kstatfs *buf)
|
|||
buf->f_type = ISOFS_SUPER_MAGIC;
|
||||
buf->f_bsize = sb->s_blocksize;
|
||||
buf->f_blocks = (ISOFS_SB(sb)->s_nzones
|
||||
<< (ISOFS_SB(sb)->s_log_zone_size - sb->s_blocksize_bits));
|
||||
<< (ISOFS_SB(sb)->s_log_zone_size - sb->s_blocksize_bits));
|
||||
buf->f_bfree = 0;
|
||||
buf->f_bavail = 0;
|
||||
buf->f_files = ISOFS_SB(sb)->s_ninodes;
|
||||
|
@ -931,20 +938,20 @@ int isofs_get_blocks(struct inode *inode, sector_t iblock_s,
|
|||
|
||||
rv = 0;
|
||||
if (iblock < 0 || iblock != iblock_s) {
|
||||
printk("isofs_get_blocks: block number too large\n");
|
||||
printk(KERN_DEBUG "%s: block number too large\n", __func__);
|
||||
goto abort;
|
||||
}
|
||||
|
||||
b_off = iblock;
|
||||
|
||||
offset = 0;
|
||||
firstext = ei->i_first_extent;
|
||||
sect_size = ei->i_section_size >> ISOFS_BUFFER_BITS(inode);
|
||||
nextblk = ei->i_next_section_block;
|
||||
nextoff = ei->i_next_section_offset;
|
||||
section = 0;
|
||||
|
||||
while ( nblocks ) {
|
||||
offset = 0;
|
||||
firstext = ei->i_first_extent;
|
||||
sect_size = ei->i_section_size >> ISOFS_BUFFER_BITS(inode);
|
||||
nextblk = ei->i_next_section_block;
|
||||
nextoff = ei->i_next_section_offset;
|
||||
section = 0;
|
||||
|
||||
while (nblocks) {
|
||||
/* If we are *way* beyond the end of the file, print a message.
|
||||
* Access beyond the end of the file up to the next page boundary
|
||||
* is normal, however because of the way the page cache works.
|
||||
|
@ -953,11 +960,11 @@ int isofs_get_blocks(struct inode *inode, sector_t iblock_s,
|
|||
* I/O errors.
|
||||
*/
|
||||
if (b_off > ((inode->i_size + PAGE_CACHE_SIZE - 1) >> ISOFS_BUFFER_BITS(inode))) {
|
||||
printk("isofs_get_blocks: block >= EOF (%ld, %ld)\n",
|
||||
iblock, (unsigned long) inode->i_size);
|
||||
printk(KERN_DEBUG "%s: block >= EOF (%ld, %ld)\n",
|
||||
__func__, iblock, (unsigned long) inode->i_size);
|
||||
goto abort;
|
||||
}
|
||||
|
||||
|
||||
/* On the last section, nextblk == 0, section size is likely to
|
||||
* exceed sect_size by a partial block, and access beyond the
|
||||
* end of the file will reach beyond the section size, too.
|
||||
|
@ -976,20 +983,21 @@ int isofs_get_blocks(struct inode *inode, sector_t iblock_s,
|
|||
iput(ninode);
|
||||
|
||||
if (++section > 100) {
|
||||
printk("isofs_get_blocks: More than 100 file sections ?!?, aborting...\n");
|
||||
printk("isofs_get_blocks: block=%ld firstext=%u sect_size=%u "
|
||||
"nextblk=%lu nextoff=%lu\n",
|
||||
iblock, firstext, (unsigned) sect_size,
|
||||
nextblk, nextoff);
|
||||
printk(KERN_DEBUG "%s: More than 100 file sections ?!?"
|
||||
" aborting...\n", __func__);
|
||||
printk(KERN_DEBUG "%s: block=%ld firstext=%u sect_size=%u "
|
||||
"nextblk=%lu nextoff=%lu\n", __func__,
|
||||
iblock, firstext, (unsigned) sect_size,
|
||||
nextblk, nextoff);
|
||||
goto abort;
|
||||
}
|
||||
}
|
||||
|
||||
if ( *bh ) {
|
||||
|
||||
if (*bh) {
|
||||
map_bh(*bh, inode->i_sb, firstext + b_off - offset);
|
||||
} else {
|
||||
*bh = sb_getblk(inode->i_sb, firstext+b_off-offset);
|
||||
if ( !*bh )
|
||||
if (!*bh)
|
||||
goto abort;
|
||||
}
|
||||
bh++; /* Next buffer head */
|
||||
|
@ -1010,7 +1018,7 @@ static int isofs_get_block(struct inode *inode, sector_t iblock,
|
|||
struct buffer_head *bh_result, int create)
|
||||
{
|
||||
if (create) {
|
||||
printk("isofs_get_block: Kernel tries to allocate a block\n");
|
||||
printk(KERN_DEBUG "%s: Kernel tries to allocate a block\n", __func__);
|
||||
return -EROFS;
|
||||
}
|
||||
|
||||
|
@ -1070,11 +1078,11 @@ 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;
|
||||
struct buffer_head * bh = NULL;
|
||||
struct buffer_head *bh = NULL;
|
||||
unsigned long block, offset, block_saved, offset_saved;
|
||||
int i = 0;
|
||||
int more_entries = 0;
|
||||
struct iso_directory_record * tmpde = NULL;
|
||||
struct iso_directory_record *tmpde = NULL;
|
||||
struct iso_inode_info *ei = ISOFS_I(inode);
|
||||
|
||||
inode->i_size = 0;
|
||||
|
@ -1089,7 +1097,7 @@ static int isofs_read_level3_size(struct inode *inode)
|
|||
offset = ei->i_iget5_offset;
|
||||
|
||||
do {
|
||||
struct iso_directory_record * de;
|
||||
struct iso_directory_record *de;
|
||||
unsigned int de_len;
|
||||
|
||||
if (!bh) {
|
||||
|
@ -1163,10 +1171,9 @@ out_noread:
|
|||
return -EIO;
|
||||
|
||||
out_toomany:
|
||||
printk(KERN_INFO "isofs_read_level3_size: "
|
||||
"More than 100 file sections ?!?, aborting...\n"
|
||||
"isofs_read_level3_size: inode=%lu\n",
|
||||
inode->i_ino);
|
||||
printk(KERN_INFO "%s: More than 100 file sections ?!?, aborting...\n"
|
||||
"isofs_read_level3_size: inode=%lu\n",
|
||||
__func__, inode->i_ino);
|
||||
goto out;
|
||||
}
|
||||
|
||||
|
@ -1177,9 +1184,9 @@ static void isofs_read_inode(struct inode *inode)
|
|||
unsigned long bufsize = ISOFS_BUFFER_SIZE(inode);
|
||||
unsigned long block;
|
||||
int high_sierra = sbi->s_high_sierra;
|
||||
struct buffer_head * bh = NULL;
|
||||
struct iso_directory_record * de;
|
||||
struct iso_directory_record * tmpde = NULL;
|
||||
struct buffer_head *bh = NULL;
|
||||
struct iso_directory_record *de;
|
||||
struct iso_directory_record *tmpde = NULL;
|
||||
unsigned int de_len;
|
||||
unsigned long offset;
|
||||
struct iso_inode_info *ei = ISOFS_I(inode);
|
||||
|
@ -1199,7 +1206,7 @@ static void isofs_read_inode(struct inode *inode)
|
|||
|
||||
tmpde = kmalloc(de_len, GFP_KERNEL);
|
||||
if (tmpde == NULL) {
|
||||
printk(KERN_INFO "isofs_read_inode: out of memory\n");
|
||||
printk(KERN_INFO "%s: out of memory\n", __func__);
|
||||
goto fail;
|
||||
}
|
||||
memcpy(tmpde, bh->b_data + offset, frag1);
|
||||
|
@ -1212,24 +1219,26 @@ static void isofs_read_inode(struct inode *inode)
|
|||
}
|
||||
|
||||
inode->i_ino = isofs_get_ino(ei->i_iget5_block,
|
||||
ei->i_iget5_offset,
|
||||
ISOFS_BUFFER_BITS(inode));
|
||||
ei->i_iget5_offset,
|
||||
ISOFS_BUFFER_BITS(inode));
|
||||
|
||||
/* Assume it is a normal-format file unless told otherwise */
|
||||
ei->i_file_format = isofs_file_normal;
|
||||
|
||||
if (de->flags[-high_sierra] & 2) {
|
||||
inode->i_mode = S_IRUGO | S_IXUGO | S_IFDIR;
|
||||
inode->i_nlink = 1; /* Set to 1. We know there are 2, but
|
||||
the find utility tries to optimize
|
||||
if it is 2, and it screws up. It is
|
||||
easier to give 1 which tells find to
|
||||
do it the hard way. */
|
||||
inode->i_nlink = 1; /*
|
||||
* Set to 1. We know there are 2, but
|
||||
* the find utility tries to optimize
|
||||
* if it is 2, and it screws up. It is
|
||||
* easier to give 1 which tells find to
|
||||
* do it the hard way.
|
||||
*/
|
||||
} else {
|
||||
/* Everybody gets to read the file. */
|
||||
/* Everybody gets to read the file. */
|
||||
inode->i_mode = sbi->s_mode;
|
||||
inode->i_nlink = 1;
|
||||
inode->i_mode |= S_IFREG;
|
||||
inode->i_mode |= S_IFREG;
|
||||
}
|
||||
inode->i_uid = sbi->s_uid;
|
||||
inode->i_gid = sbi->s_gid;
|
||||
|
@ -1239,13 +1248,14 @@ static void isofs_read_inode(struct inode *inode)
|
|||
ei->i_format_parm[1] = 0;
|
||||
ei->i_format_parm[2] = 0;
|
||||
|
||||
ei->i_section_size = isonum_733 (de->size);
|
||||
ei->i_section_size = isonum_733(de->size);
|
||||
if (de->flags[-high_sierra] & 0x80) {
|
||||
if(isofs_read_level3_size(inode)) goto fail;
|
||||
if(isofs_read_level3_size(inode))
|
||||
goto fail;
|
||||
} else {
|
||||
ei->i_next_section_block = 0;
|
||||
ei->i_next_section_offset = 0;
|
||||
inode->i_size = isonum_733 (de->size);
|
||||
inode->i_size = isonum_733(de->size);
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -1258,23 +1268,24 @@ static void isofs_read_inode(struct inode *inode)
|
|||
inode->i_size &= 0x00ffffff;
|
||||
|
||||
if (de->interleave[0]) {
|
||||
printk("Interleaved files not (yet) supported.\n");
|
||||
printk(KERN_DEBUG "ISOFS: Interleaved files not (yet) supported.\n");
|
||||
inode->i_size = 0;
|
||||
}
|
||||
|
||||
/* I have no idea what file_unit_size is used for, so
|
||||
we will flag it for now */
|
||||
if (de->file_unit_size[0] != 0) {
|
||||
printk("File unit size != 0 for ISO file (%ld).\n",
|
||||
inode->i_ino);
|
||||
printk(KERN_DEBUG "ISOFS: File unit size != 0 for ISO file (%ld).\n",
|
||||
inode->i_ino);
|
||||
}
|
||||
|
||||
/* I have no idea what other flag bits are used for, so
|
||||
we will flag it for now */
|
||||
#ifdef DEBUG
|
||||
if((de->flags[-high_sierra] & ~2)!= 0){
|
||||
printk("Unusual flag settings for ISO file (%ld %x).\n",
|
||||
inode->i_ino, de->flags[-high_sierra]);
|
||||
printk(KERN_DEBUG "ISOFS: Unusual flag settings for ISO file "
|
||||
"(%ld %x).\n",
|
||||
inode->i_ino, de->flags[-high_sierra]);
|
||||
}
|
||||
#endif
|
||||
|
||||
|
@ -1285,11 +1296,11 @@ static void isofs_read_inode(struct inode *inode)
|
|||
inode->i_atime.tv_nsec =
|
||||
inode->i_ctime.tv_nsec = 0;
|
||||
|
||||
ei->i_first_extent = (isonum_733 (de->extent) +
|
||||
isonum_711 (de->ext_attr_length));
|
||||
ei->i_first_extent = (isonum_733(de->extent) +
|
||||
isonum_711(de->ext_attr_length));
|
||||
|
||||
/* Set the number of blocks for stat() - should be done before RR */
|
||||
inode->i_blocks = (inode->i_size + 511) >> 9;
|
||||
inode->i_blocks = (inode->i_size + 511) >> 9;
|
||||
|
||||
/*
|
||||
* Now test for possible Rock Ridge extensions which will override
|
||||
|
@ -1306,7 +1317,7 @@ static void isofs_read_inode(struct inode *inode)
|
|||
/* Install the inode operations vector */
|
||||
if (S_ISREG(inode->i_mode)) {
|
||||
inode->i_fop = &generic_ro_fops;
|
||||
switch ( ei->i_file_format ) {
|
||||
switch (ei->i_file_format) {
|
||||
#ifdef CONFIG_ZISOFS
|
||||
case isofs_file_compressed:
|
||||
inode->i_data.a_ops = &zisofs_aops;
|
||||
|
@ -1350,7 +1361,7 @@ static int isofs_iget5_test(struct inode *ino, void *data)
|
|||
struct isofs_iget5_callback_data *d =
|
||||
(struct isofs_iget5_callback_data*)data;
|
||||
return (i->i_iget5_block == d->block)
|
||||
&& (i->i_iget5_offset == d->offset);
|
||||
&& (i->i_iget5_offset == d->offset);
|
||||
}
|
||||
|
||||
static int isofs_iget5_set(struct inode *ino, void *data)
|
||||
|
@ -1384,7 +1395,7 @@ struct inode *isofs_iget(struct super_block *sb,
|
|||
hashval = (block << sb->s_blocksize_bits) | offset;
|
||||
|
||||
inode = iget5_locked(sb, hashval, &isofs_iget5_test,
|
||||
&isofs_iget5_set, &data);
|
||||
&isofs_iget5_set, &data);
|
||||
|
||||
if (inode && (inode->i_state & I_NEW)) {
|
||||
sb->s_op->read_inode(inode);
|
||||
|
@ -1398,7 +1409,7 @@ static int isofs_get_sb(struct file_system_type *fs_type,
|
|||
int flags, const char *dev_name, void *data, struct vfsmount *mnt)
|
||||
{
|
||||
return get_sb_bdev(fs_type, flags, dev_name, data, isofs_fill_super,
|
||||
mnt);
|
||||
mnt);
|
||||
}
|
||||
|
||||
static struct file_system_type iso9660_fs_type = {
|
||||
|
|
|
@ -80,22 +80,20 @@ get_joliet_filename(struct iso_directory_record * de, unsigned char *outname, st
|
|||
|
||||
if (utf8) {
|
||||
len = wcsntombs_be(outname, de->name,
|
||||
de->name_len[0] >> 1, PAGE_SIZE);
|
||||
de->name_len[0] >> 1, PAGE_SIZE);
|
||||
} else {
|
||||
len = uni16_to_x8(outname, (__be16 *) de->name,
|
||||
de->name_len[0] >> 1, nls);
|
||||
de->name_len[0] >> 1, nls);
|
||||
}
|
||||
if ((len > 2) && (outname[len-2] == ';') && (outname[len-1] == '1')) {
|
||||
if ((len > 2) && (outname[len-2] == ';') && (outname[len-1] == '1'))
|
||||
len -= 2;
|
||||
}
|
||||
|
||||
/*
|
||||
* Windows doesn't like periods at the end of a name,
|
||||
* so neither do we
|
||||
*/
|
||||
while (len >= 2 && (outname[len-1] == '.')) {
|
||||
while (len >= 2 && (outname[len-1] == '.'))
|
||||
len--;
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
|
|
@ -15,7 +15,7 @@
|
|||
* some sanity tests.
|
||||
*/
|
||||
static int
|
||||
isofs_cmp(struct dentry * dentry, const char * compare, int dlen)
|
||||
isofs_cmp(struct dentry *dentry, const char *compare, int dlen)
|
||||
{
|
||||
struct qstr qstr;
|
||||
|
||||
|
@ -48,24 +48,24 @@ isofs_cmp(struct dentry * dentry, const char * compare, int dlen)
|
|||
*/
|
||||
static unsigned long
|
||||
isofs_find_entry(struct inode *dir, struct dentry *dentry,
|
||||
unsigned long *block_rv, unsigned long* offset_rv,
|
||||
char * tmpname, struct iso_directory_record * tmpde)
|
||||
unsigned long *block_rv, unsigned long *offset_rv,
|
||||
char *tmpname, struct iso_directory_record *tmpde)
|
||||
{
|
||||
unsigned long bufsize = ISOFS_BUFFER_SIZE(dir);
|
||||
unsigned char bufbits = ISOFS_BUFFER_BITS(dir);
|
||||
unsigned long block, f_pos, offset, block_saved, offset_saved;
|
||||
struct buffer_head * bh = NULL;
|
||||
struct buffer_head *bh = NULL;
|
||||
struct isofs_sb_info *sbi = ISOFS_SB(dir->i_sb);
|
||||
|
||||
if (!ISOFS_I(dir)->i_first_extent)
|
||||
return 0;
|
||||
|
||||
|
||||
f_pos = 0;
|
||||
offset = 0;
|
||||
block = 0;
|
||||
|
||||
while (f_pos < dir->i_size) {
|
||||
struct iso_directory_record * de;
|
||||
struct iso_directory_record *de;
|
||||
int de_len, match, i, dlen;
|
||||
char *dpnt;
|
||||
|
||||
|
@ -114,7 +114,7 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
|
|||
|
||||
if (sbi->s_rock &&
|
||||
((i = get_rock_ridge_filename(de, tmpname, dir)))) {
|
||||
dlen = i; /* possibly -1 */
|
||||
dlen = i; /* possibly -1 */
|
||||
dpnt = tmpname;
|
||||
#ifdef CONFIG_JOLIET
|
||||
} else if (sbi->s_joliet_level) {
|
||||
|
@ -145,8 +145,8 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
|
|||
isofs_normalize_block_and_offset(de,
|
||||
&block_saved,
|
||||
&offset_saved);
|
||||
*block_rv = block_saved;
|
||||
*offset_rv = offset_saved;
|
||||
*block_rv = block_saved;
|
||||
*offset_rv = offset_saved;
|
||||
brelse(bh);
|
||||
return 1;
|
||||
}
|
||||
|
@ -155,7 +155,7 @@ isofs_find_entry(struct inode *dir, struct dentry *dentry,
|
|||
return 0;
|
||||
}
|
||||
|
||||
struct dentry *isofs_lookup(struct inode * dir, struct dentry * dentry, struct nameidata *nd)
|
||||
struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
|
||||
{
|
||||
int found;
|
||||
unsigned long block, offset;
|
||||
|
@ -170,9 +170,9 @@ struct dentry *isofs_lookup(struct inode * dir, struct dentry * dentry, struct n
|
|||
|
||||
lock_kernel();
|
||||
found = isofs_find_entry(dir, dentry,
|
||||
&block, &offset,
|
||||
page_address(page),
|
||||
1024 + page_address(page));
|
||||
&block, &offset,
|
||||
page_address(page),
|
||||
1024 + page_address(page));
|
||||
__free_page(page);
|
||||
|
||||
inode = NULL;
|
||||
|
|
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