This patch converts the SETUP_ROCK_RIDGE macro to a proper function in
fs/isofs/rock.c.
Signed-off-by: Pekka Enberg <[email protected]>
---
rock.c | 34 +++++++++++++++++++---------------
1 files changed, 19 insertions(+), 15 deletions(-)
Index: 2.6/fs/isofs/rock.c
===================================================================
--- 2.6.orig/fs/isofs/rock.c 2005-03-28 16:31:53.000000000 +0300
+++ 2.6/fs/isofs/rock.c 2005-03-28 16:32:13.000000000 +0300
@@ -38,18 +38,22 @@
same thing in certain places. We use the macros to ensure that everything
is done correctly */
-#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 int setup_rock_ridge(struct iso_directory_record *de, struct inode *inode, unsigned char ** chr)
+{
+ int 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;
+ }
+ return len;
}
/* return length of name field; 0: not found, -1: to be ignored */
@@ -66,7 +70,7 @@
return 0;
*retname = 0;
- SETUP_ROCK_RIDGE(de, chr, len);
+ len = setup_rock_ridge(de, inode, &chr);
repeat:
{
struct rock_ridge *rr;
@@ -187,7 +191,7 @@
if (!ISOFS_SB(inode->i_sb)->s_rock)
return 0;
- SETUP_ROCK_RIDGE(de, chr, len);
+ len = setup_rock_ridge(de, inode, &chr);
if (regard_xa) {
chr += 14;
len -= 14;
@@ -589,7 +593,7 @@
/* 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);
+ len = setup_rock_ridge(raw_inode, inode, &chr);
repeat:
while (len > 2) { /* There may be one byte for padding somewhere */
-
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