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-rw-r--r--fs/cramfs/cramfs.c33
-rw-r--r--fs/cramfs/cramfs_fs.h133
2 files changed, 2 insertions, 164 deletions
diff --git a/fs/cramfs/cramfs.c b/fs/cramfs/cramfs.c
index 1e35104..98ff567 100644
--- a/fs/cramfs/cramfs.c
+++ b/fs/cramfs/cramfs.c
@@ -31,8 +31,9 @@
#include <asm/byteorder.h>
#include <linux/stat.h>
+#include <jffs2/jffs2.h>
#include <jffs2/load_kernel.h>
-#include "cramfs_fs.h"
+#include <cramfs/cramfs_fs.h>
/* These two macros may change in future, to provide better st_ino
semantics. */
@@ -198,36 +199,6 @@ int cramfs_load (char *loadoffset, struct part_info *info, char *filename)
(unsigned long) loadoffset);
}
-static char *mkmodestr (unsigned long mode, char *str)
-{
- static const char *l = "xwr";
- int mask = 1, i;
- char c;
-
- switch (mode & S_IFMT) {
- case S_IFDIR: str[0] = 'd'; break;
- case S_IFBLK: str[0] = 'b'; break;
- case S_IFCHR: str[0] = 'c'; break;
- case S_IFIFO: str[0] = 'f'; break;
- case S_IFLNK: str[0] = 'l'; break;
- case S_IFSOCK: str[0] = 's'; break;
- case S_IFREG: str[0] = '-'; break;
- default: str[0] = '?'; break;
- }
-
- for (i = 0; i < 9; i++) {
- c = l[i % 3];
- str[9 - i] = (mode & mask) ? c : '-';
- mask = mask << 1;
- }
-
- if (mode & S_ISUID) str[3] = (mode & S_IXUSR) ? 's' : 'S';
- if (mode & S_ISGID) str[6] = (mode & S_IXGRP) ? 's' : 'S';
- if (mode & S_ISVTX) str[9] = (mode & S_IXOTH) ? 't' : 'T';
- str[10] = '\0';
- return str;
-}
-
static int cramfs_list_inode (struct part_info *info, unsigned long offset)
{
struct cramfs_inode *inode = (struct cramfs_inode *)
diff --git a/fs/cramfs/cramfs_fs.h b/fs/cramfs/cramfs_fs.h
deleted file mode 100644
index 78cc9ec..0000000
--- a/fs/cramfs/cramfs_fs.h
+++ /dev/null
@@ -1,133 +0,0 @@
-#ifndef __CRAMFS_FS_H
-#define __CRAMFS_FS_H
-
-/* Uncompression interfaces to the underlying zlib */
-int cramfs_uncompress_block (void *dst, void *src, int srclen);
-int cramfs_uncompress_init (void);
-
-#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */
-#define CRAMFS_SIGNATURE "Compressed ROMFS"
-
-/*
- * Width of various bitfields in struct cramfs_inode.
- * Primarily used to generate warnings in mkcramfs.
- */
-#define CRAMFS_MODE_WIDTH 16
-#define CRAMFS_UID_WIDTH 16
-#define CRAMFS_SIZE_WIDTH 24
-#define CRAMFS_GID_WIDTH 8
-#define CRAMFS_NAMELEN_WIDTH 6
-#define CRAMFS_OFFSET_WIDTH 26
-
-/*
- * Since inode.namelen is a unsigned 6-bit number, the maximum cramfs
- * path length is 63 << 2 = 252.
- */
-#define CRAMFS_MAXPATHLEN (((1 << CRAMFS_NAMELEN_WIDTH) - 1) << 2)
-
-/*
- * Reasonably terse representation of the inode data.
- */
-struct cramfs_inode {
- u32 mode:CRAMFS_MODE_WIDTH, uid:CRAMFS_UID_WIDTH;
- /* SIZE for device files is i_rdev */
- u32 size:CRAMFS_SIZE_WIDTH, gid:CRAMFS_GID_WIDTH;
- /* NAMELEN is the length of the file name, divided by 4 and
- rounded up. (cramfs doesn't support hard links.) */
- /* OFFSET: For symlinks and non-empty regular files, this
- contains the offset (divided by 4) of the file data in
- compressed form (starting with an array of block pointers;
- see README). For non-empty directories it is the offset
- (divided by 4) of the inode of the first file in that
- directory. For anything else, offset is zero. */
- u32 namelen:CRAMFS_NAMELEN_WIDTH, offset:CRAMFS_OFFSET_WIDTH;
-};
-
-struct cramfs_info {
- u32 crc;
- u32 edition;
- u32 blocks;
- u32 files;
-};
-
-/*
- * Superblock information at the beginning of the FS.
- */
-struct cramfs_super {
- u32 magic; /* 0x28cd3d45 - random number */
- u32 size; /* length in bytes */
- u32 flags; /* feature flags */
- u32 future; /* reserved for future use */
- u8 signature[16]; /* "Compressed ROMFS" */
- struct cramfs_info fsid; /* unique filesystem info */
- u8 name[16]; /* user-defined name */
- struct cramfs_inode root; /* root inode data */
-};
-
-/*
- * Feature flags
- *
- * 0x00000000 - 0x000000ff: features that work for all past kernels
- * 0x00000100 - 0xffffffff: features that don't work for past kernels
- */
-#define CRAMFS_FLAG_FSID_VERSION_2 0x00000001 /* fsid version #2 */
-#define CRAMFS_FLAG_SORTED_DIRS 0x00000002 /* sorted dirs */
-#define CRAMFS_FLAG_HOLES 0x00000100 /* support for holes */
-#define CRAMFS_FLAG_WRONG_SIGNATURE 0x00000200 /* reserved */
-#define CRAMFS_FLAG_SHIFTED_ROOT_OFFSET 0x00000400 /* shifted root fs */
-
-/*
- * Valid values in super.flags. Currently we refuse to mount
- * if (flags & ~CRAMFS_SUPPORTED_FLAGS). Maybe that should be
- * changed to test super.future instead.
- */
-#define CRAMFS_SUPPORTED_FLAGS ( 0x000000ff \
- | CRAMFS_FLAG_HOLES \
- | CRAMFS_FLAG_WRONG_SIGNATURE \
- | CRAMFS_FLAG_SHIFTED_ROOT_OFFSET )
-
-/*
- * Since cramfs is little-endian, provide macros to swab the bitfields.
- */
-
-#ifndef __BYTE_ORDER
-#if defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN)
-#define __BYTE_ORDER __LITTLE_ENDIAN
-#elif defined(__BIG_ENDIAN) && !defined(__LITTLE_ENDIAN)
-#define __BYTE_ORDER __BIG_ENDIAN
-#else
-#error "unable to define __BYTE_ORDER"
-#endif
-#endif /* not __BYTE_ORDER */
-
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define CRAMFS_16(x) (x)
-#define CRAMFS_24(x) (x)
-#define CRAMFS_32(x) (x)
-#define CRAMFS_GET_NAMELEN(x) ((x)->namelen)
-#define CRAMFS_GET_OFFSET(x) ((x)->offset)
-#define CRAMFS_SET_OFFSET(x,y) ((x)->offset = (y))
-#define CRAMFS_SET_NAMELEN(x,y) ((x)->namelen = (y))
-#elif __BYTE_ORDER == __BIG_ENDIAN
-#ifdef __KERNEL__
-#define CRAMFS_16(x) swab16(x)
-#define CRAMFS_24(x) ((swab32(x)) >> 8)
-#define CRAMFS_32(x) swab32(x)
-#else /* not __KERNEL__ */
-#define CRAMFS_16(x) bswap_16(x)
-#define CRAMFS_24(x) ((bswap_32(x)) >> 8)
-#define CRAMFS_32(x) bswap_32(x)
-#endif /* not __KERNEL__ */
-#define CRAMFS_GET_NAMELEN(x) (((u8*)(x))[8] & 0x3f)
-#define CRAMFS_GET_OFFSET(x) ((CRAMFS_24(((u32*)(x))[2] & 0xffffff) << 2) |\
- ((((u32*)(x))[2] & 0xc0000000) >> 30))
-#define CRAMFS_SET_NAMELEN(x,y) (((u8*)(x))[8] = (((0x3f & (y))) | \
- (0xc0 & ((u8*)(x))[8])))
-#define CRAMFS_SET_OFFSET(x,y) (((u32*)(x))[2] = (((y) & 3) << 30) | \
- CRAMFS_24((((y) & 0x03ffffff) >> 2)) | \
- (((u32)(((u8*)(x))[8] & 0x3f)) << 24))
-#else
-#error "__BYTE_ORDER must be __LITTLE_ENDIAN or __BIG_ENDIAN"
-#endif
-
-#endif /* not __CRAMFS_FS_H */