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[PATCH] rock: remove SETUP_ROCK_RIDGE

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- Remove the SETUP_ROCK_RIDGE macro.

- In rock_ridge_symlink_readpage(), rename raw_inode to raw_de.  It points
  at a directory entry, not an inode.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andrew Morton 2005-06-21 17:16:46 -07:00 committed by Linus Torvalds
parent 04f7aa9c7d
commit 76ab07ebc3
1 changed files with 22 additions and 17 deletions
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39
fs/isofs/rock.c
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@ -37,18 +37,23 @@ static int check_sp(struct rock_ridge *rr, struct inode *inode)
return 0;
}
#define SETUP_ROCK_RIDGE(DE,CHR,LEN) \
{LEN= sizeof(struct iso_directory_record) + DE->name_len[0]; \
if(LEN & 1) LEN++; \
CHR = ((unsigned char *) DE) + LEN; \
LEN = *((unsigned char *) DE) - LEN; \
if (LEN<0) LEN=0; \
if (ISOFS_SB(inode->i_sb)->s_rock_offset!=-1) \
{ \
LEN-=ISOFS_SB(inode->i_sb)->s_rock_offset; \
CHR+=ISOFS_SB(inode->i_sb)->s_rock_offset; \
if (LEN<0) LEN=0; \
} \
static void setup_rock_ridge(struct iso_directory_record *de,
struct inode *inode, unsigned char **chr, int *len)
{
*len = sizeof(struct iso_directory_record) + de->name_len[0];
if (*len & 1)
(*len)++;
*chr = (unsigned char *)de + *len;
*len = *((unsigned char *)de) - *len;
if (*len < 0)
*len = 0;
if (ISOFS_SB(inode->i_sb)->s_rock_offset != -1) {
*len -= ISOFS_SB(inode->i_sb)->s_rock_offset;
*chr += ISOFS_SB(inode->i_sb)->s_rock_offset;
if (*len < 0)
*len = 0;
}
}
#define MAYBE_CONTINUE(LABEL,DEV) \
@ -98,7 +103,7 @@ int get_rock_ridge_filename(struct iso_directory_record *de,
return 0;
*retname = 0;
SETUP_ROCK_RIDGE(de, chr, len);
setup_rock_ridge(de, inode, &chr, &len);
repeat:
while (len > 2) { /* There may be one byte for padding somewhere */
@ -188,7 +193,7 @@ parse_rock_ridge_inode_internal(struct iso_directory_record *de,
if (!ISOFS_SB(inode->i_sb)->s_rock)
return 0;
SETUP_ROCK_RIDGE(de, chr, len);
setup_rock_ridge(de, inode, &chr, &len);
if (regard_xa) {
chr += 14;
len -= 14;
@ -527,7 +532,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)
struct buffer_head *bh;
char *rpnt = link;
unsigned char *pnt;
struct iso_directory_record *raw_inode;
struct iso_directory_record *raw_de;
int cont_extent = 0;
int cont_offset = 0;
int cont_size = 0;
@ -550,7 +555,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)
offset = ei->i_iget5_offset;
pnt = (unsigned char *)bh->b_data + offset;
raw_inode = (struct iso_directory_record *)pnt;
raw_de = (struct iso_directory_record *)pnt;
/*
* If we go past the end of the buffer, there is some sort of error.
@ -561,7 +566,7 @@ static int rock_ridge_symlink_readpage(struct file *file, struct page *page)
/* Now test for possible Rock Ridge extensions which will override
some of these numbers in the inode structure. */
SETUP_ROCK_RIDGE(raw_inode, chr, len);
setup_rock_ridge(raw_de, inode, &chr, &len);
repeat:
while (len > 2) { /* There may be one byte for padding somewhere */