| Line 273... |
Line 273... |
}
|
}
|
|
|
static void ext2_setup_super (struct super_block * sb,
|
static void ext2_setup_super (struct super_block * sb,
|
struct ext2_super_block * es)
|
struct ext2_super_block * es)
|
{
|
{
|
printk("%s - %s:%s\n",__FILE__,__FUNCTION__,__LINE__);
|
|
if (swab32(es->s_rev_level) > EXT2_MAX_SUPP_REV) {
|
if (swab32(es->s_rev_level) > EXT2_MAX_SUPP_REV) {
|
printk ("EXT2-fs warning: revision level too high, "
|
printk ("EXT2-fs warning: revision level too high, "
|
"forcing read/only mode\n");
|
"forcing read/only mode\n");
|
sb->s_flags |= MS_RDONLY;
|
sb->s_flags |= MS_RDONLY;
|
}
|
}
|
| Line 316... |
Line 315... |
if (test_opt (sb, CHECK)) {
|
if (test_opt (sb, CHECK)) {
|
ext2_check_blocks_bitmap (sb);
|
ext2_check_blocks_bitmap (sb);
|
ext2_check_inodes_bitmap (sb);
|
ext2_check_inodes_bitmap (sb);
|
}
|
}
|
}
|
}
|
printk("%s - %s:%s\n",__FILE__,__FUNCTION__,__LINE__);
|
|
}
|
}
|
|
|
static int ext2_check_descriptors (struct super_block * sb)
|
static int ext2_check_descriptors (struct super_block * sb)
|
{
|
{
|
int i;
|
int i;
|
| Line 381... |
Line 379... |
unsigned long logic_sb_block = 1;
|
unsigned long logic_sb_block = 1;
|
kdev_t dev = sb->s_dev;
|
kdev_t dev = sb->s_dev;
|
int db_count;
|
int db_count;
|
int i, j;
|
int i, j;
|
|
|
printk("%s - %s:%d\n",__FILE__,__FUNCTION__,__LINE__);
|
|
sb->u.ext2_sb.s_mount_opt = 0;
|
sb->u.ext2_sb.s_mount_opt = 0;
|
set_opt (sb->u.ext2_sb.s_mount_opt, CHECK_NORMAL);
|
set_opt (sb->u.ext2_sb.s_mount_opt, CHECK_NORMAL);
|
if (!parse_options ((char *) data, &sb_block, &resuid, &resgid,
|
if (!parse_options ((char *) data, &sb_block, &resuid, &resgid,
|
&sb->u.ext2_sb.s_mount_opt)) {
|
&sb->u.ext2_sb.s_mount_opt)) {
|
sb->s_dev = 0;
|
sb->s_dev = 0;
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
printk("%s - %s:%d\n",__FILE__,__FUNCTION__,__LINE__);
|
|
MOD_INC_USE_COUNT;
|
MOD_INC_USE_COUNT;
|
lock_super (sb);
|
lock_super (sb);
|
set_blocksize (dev, BLOCK_SIZE);
|
set_blocksize (dev, BLOCK_SIZE);
|
if (!(bh = bread (dev, sb_block, BLOCK_SIZE))) {
|
if (!(bh = bread (dev, sb_block, BLOCK_SIZE))) {
|
sb->s_dev = 0;
|
sb->s_dev = 0;
|
unlock_super (sb);
|
unlock_super (sb);
|
printk ("EXT2-fs: unable to read superblock\n");
|
printk ("EXT2-fs: unable to read superblock\n");
|
MOD_DEC_USE_COUNT;
|
MOD_DEC_USE_COUNT;
|
return NULL;
|
return NULL;
|
}
|
}
|
printk("%s - %s:%d\n",__FILE__,__FUNCTION__,__LINE__);
|
|
/*
|
/*
|
* Note: s_es must be initialized s_es as soon as possible because
|
* Note: s_es must be initialized s_es as soon as possible because
|
* some ext2 macro-instructions depend on its value
|
* some ext2 macro-instructions depend on its value
|
*/
|
*/
|
es = (struct ext2_super_block *) bh->b_data;
|
es = (struct ext2_super_block *) bh->b_data;
|
printk("magic1 = %x\n",es->s_magic);
|
|
printk("magic2 = %x\n",sb->s_magic);
|
|
sb->u.ext2_sb.s_es = es;
|
sb->u.ext2_sb.s_es = es;
|
sb->s_magic = swab16(es->s_magic);
|
sb->s_magic = swab16(es->s_magic);
|
printk("magic3 = %x\n",sb->s_magic);
|
|
if (sb->s_magic != EXT2_SUPER_MAGIC) {
|
if (sb->s_magic != EXT2_SUPER_MAGIC) {
|
if (!silent)
|
if (!silent)
|
printk ("VFS: Can't find an ext2 filesystem on dev "
|
printk ("VFS: Can't find an ext2 filesystem on dev "
|
"%s.\n", kdevname(dev));
|
"%s.\n", kdevname(dev));
|
failed_mount:
|
failed_mount:
|
sb->s_dev = 0;
|
sb->s_dev = 0;
|
unlock_super (sb);
|
unlock_super (sb);
|
if (bh)
|
if (bh)
|
brelse(bh);
|
brelse(bh);
|
MOD_DEC_USE_COUNT;
|
MOD_DEC_USE_COUNT;
|
printk("%s - %s:%d\n",__FILE__,__FUNCTION__,__LINE__);
|
|
return NULL;
|
return NULL;
|
}
|
}
|
if (swab32(es->s_rev_level) > EXT2_GOOD_OLD_REV) {
|
if (swab32(es->s_rev_level) > EXT2_GOOD_OLD_REV) {
|
if (swab32(es->s_feature_incompat) & ~EXT2_FEATURE_INCOMPAT_SUPP) {
|
if (swab32(es->s_feature_incompat) & ~EXT2_FEATURE_INCOMPAT_SUPP) {
|
printk("EXT2-fs: %s: couldn't mount because of "
|
printk("EXT2-fs: %s: couldn't mount because of "
|
| Line 602... |
Line 593... |
brelse (bh);
|
brelse (bh);
|
printk ("EXT2-fs: get root inode failed\n");
|
printk ("EXT2-fs: get root inode failed\n");
|
MOD_DEC_USE_COUNT;
|
MOD_DEC_USE_COUNT;
|
return NULL;
|
return NULL;
|
}
|
}
|
printk("%s - %s:%s\n",__FILE__,__FUNCTION__,__LINE__);
|
|
ext2_setup_super (sb, es);
|
ext2_setup_super (sb, es);
|
printk("%s - %s:%s\n",__FILE__,__FUNCTION__,__LINE__);
|
|
return sb;
|
return sb;
|
}
|
}
|
|
|
static void ext2_commit_super (struct super_block * sb,
|
static void ext2_commit_super (struct super_block * sb,
|
struct ext2_super_block * es)
|
struct ext2_super_block * es)
|
