Jörn
--
Correctness comes second.
Features come third.
Performance comes last.
Maintainability is needed for all of them.
Signed-off-by: Jörn Engel <[email protected]>
---
fs/squashfs/inode.c | 16 ++++++++++++++++
include/linux/squashfs_fs_sb.h | 3 +++
2 files changed, 19 insertions(+)
--- linux-2.6.12-rc3cow/fs/squashfs/inode.c~squashfs_cu8 2005-04-22 08:09:25.993528336 +0200
+++ linux-2.6.12-rc3cow/fs/squashfs/inode.c 2005-04-22 09:17:42.136819904 +0200
@@ -43,6 +43,16 @@
#include <linux/vmalloc.h>
#include "squashfs.h"
+
+#define SQUASHFS_SWAB(XX) \
+u##XX squashfs_swab##XX(u##XX x) { return swab##XX(x); } \
+u##XX squashfs_ident##XX(u##XX x) { return x; }
+
+SQUASHFS_SWAB(16)
+SQUASHFS_SWAB(32)
+SQUASHFS_SWAB(64)
+
+
static void squashfs_put_super(struct super_block *);
static int squashfs_statfs(struct super_block *, struct kstatfs *);
static int squashfs_symlink_readpage(struct file *file, struct page *page);
@@ -862,6 +872,9 @@ static int squashfs_fill_super(struct su
/* Check it is a SQUASHFS superblock */
msBlk->swap = 0;
+ msBlk->swab16 = squashfs_ident16;
+ msBlk->swab32 = squashfs_ident32;
+ msBlk->swab64 = squashfs_ident64;
if ((s->s_magic = sBlk->s_magic) != SQUASHFS_MAGIC) {
if (sBlk->s_magic == SQUASHFS_MAGIC_SWAP) {
squashfs_super_block sblk;
@@ -872,6 +885,9 @@ static int squashfs_fill_super(struct su
SQUASHFS_SWAP_SUPER_BLOCK(&sblk, sBlk);
memcpy(sBlk, &sblk, sizeof(squashfs_super_block));
msBlk->swap = 1;
+ msBlk->swab16 = squashfs_swab16;
+ msBlk->swab32 = squashfs_swab32;
+ msBlk->swab64 = squashfs_swab64;
} else {
SERROR("Can't find a SQUASHFS superblock on %s\n",
bdevname(s->s_bdev, b));
--- linux-2.6.12-rc3cow/include/linux/squashfs_fs_sb.h~squashfs_cu8 2005-04-22 07:13:33.526180840 +0200
+++ linux-2.6.12-rc3cow/include/linux/squashfs_fs_sb.h 2005-04-22 08:54:52.891976760 +0200
@@ -44,6 +44,9 @@ typedef struct squashfs_sb_info {
int devblksize;
int devblksize_log2;
int swap;
+ u16 (*swab16)(u16);
+ u32 (*swab32)(u32);
+ u64 (*swab64)(u64);
squashfs_cache *block_cache;
struct squashfs_fragment_cache *fragment;
int next_cache;
-
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