From bc0aed79a8c7bb24c32a21533893fdad660b7292 Mon Sep 17 00:00:00 2001 From: Pavel Roskin Date: Mon, 17 Jul 2000 17:52:00 +0000 Subject: It is now possible to select in busybox.def.h whether minixfs version 2 is to be supported. --- busybox.def.h | 3 +++ fsck_minix.c | 42 ++++++++++++++++++++---------------------- mkfs_minix.c | 24 ++++++++++-------------- util-linux/fsck_minix.c | 42 ++++++++++++++++++++---------------------- util-linux/mkfs_minix.c | 24 ++++++++++-------------- 5 files changed, 63 insertions(+), 72 deletions(-) diff --git a/busybox.def.h b/busybox.def.h index 854de1466..1db5f00c7 100644 --- a/busybox.def.h +++ b/busybox.def.h @@ -240,6 +240,9 @@ // Support module version checking //#define BB_FEATURE_INSMOD_VERSION_CHECKING // +// Support for Minix filesystem, version 2 +//#define BB_FEATURE_MINIX2 +// // // Enable busybox --install [-s] // to create links (or symlinks) for all the commands that are diff --git a/fsck_minix.c b/fsck_minix.c index 5807b9af5..c3c493fd2 100644 --- a/fsck_minix.c +++ b/fsck_minix.c @@ -196,10 +196,6 @@ struct minix_dir_entry { #define BLKGETSIZE _IO(0x12,96) /* return device size */ #endif -#ifdef MINIX2_SUPER_MAGIC2 -#define HAVE_MINIX2 1 -#endif - #ifndef __linux__ #define volatile #endif @@ -208,7 +204,7 @@ struct minix_dir_entry { #define UPPER(size,n) ((size+((n)-1))/(n)) #define INODE_SIZE (sizeof(struct minix_inode)) -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 #define INODE_SIZE2 (sizeof(struct minix2_inode)) #define INODE_BLOCKS UPPER(INODES, (version2 ? MINIX2_INODES_PER_BLOCK \ : MINIX_INODES_PER_BLOCK)) @@ -249,7 +245,7 @@ static char super_block_buffer[BLOCK_SIZE]; #define Super (*(struct minix_super_block *)super_block_buffer) #define INODES ((unsigned long)Super.s_ninodes) -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 #define ZONES ((unsigned long)(version2 ? Super.s_zones : Super.s_nzones)) #else #define ZONES ((unsigned long)(Super.s_nzones)) @@ -269,7 +265,9 @@ static unsigned char *inode_count = NULL; static unsigned char *zone_count = NULL; static void recursive_check(unsigned int ino); +#ifdef BB_FEATURE_MINIX2 static void recursive_check2(unsigned int ino); +#endif #define inode_in_use(x) (isset(inode_map,(x))) #define zone_in_use(x) (isset(zone_map,(x)-FIRSTZONE+1)) @@ -424,7 +422,7 @@ static int check_zone_nr(unsigned short *nr, int *corrected) return 0; } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static int check_zone_nr2(unsigned int *nr, int *corrected) { if (!*nr) @@ -531,7 +529,7 @@ static int map_block(struct minix_inode *inode, unsigned int blknr) return result; } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static int map_block2(struct minix2_inode *inode, unsigned int blknr) { unsigned int ind[BLOCK_SIZE >> 2]; @@ -629,7 +627,7 @@ static void get_dirsize(void) char blk[BLOCK_SIZE]; int size; -#if HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (version2) block = Inode2[ROOT_INO].i_zone[0]; else @@ -660,7 +658,7 @@ static void read_superblock(void) namelen = 30; dirsize = 32; version2 = 0; -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 } else if (MAGIC == MINIX2_SUPER_MAGIC) { namelen = 14; dirsize = 16; @@ -758,7 +756,7 @@ struct minix_inode *get_inode(unsigned int nr) return inode; } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 struct minix2_inode *get_inode2(unsigned int nr) { struct minix2_inode *inode; @@ -814,7 +812,7 @@ static void check_root(void) die("root inode isn't a directory"); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void check_root2(void) { struct minix2_inode *inode = Inode2 + ROOT_INO; @@ -857,7 +855,7 @@ static int add_zone(unsigned short *znr, int *corrected) return block; } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static int add_zone2(unsigned int *znr, int *corrected) { int result; @@ -908,7 +906,7 @@ static void add_zone_ind(unsigned short *znr, int *corrected) write_block(block, blk); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void add_zone_ind2(unsigned int *znr, int *corrected) { static char blk[BLOCK_SIZE]; @@ -942,7 +940,7 @@ static void add_zone_dind(unsigned short *znr, int *corrected) write_block(block, blk); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void add_zone_dind2(unsigned int *znr, int *corrected) { static char blk[BLOCK_SIZE]; @@ -993,7 +991,7 @@ static void check_zones(unsigned int i) add_zone_dind(8 + inode->i_zone, &changed); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void check_zones2(unsigned int i) { struct minix2_inode *inode; @@ -1078,7 +1076,7 @@ static void check_file(struct minix_inode *dir, unsigned int offset) return; } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void check_file2(struct minix2_inode *dir, unsigned int offset) { static char blk[BLOCK_SIZE]; @@ -1159,7 +1157,7 @@ static void recursive_check(unsigned int ino) check_file(dir, offset); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void recursive_check2(unsigned int ino) { struct minix2_inode *dir; @@ -1237,7 +1235,7 @@ static void check_counts(void) } } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void check_counts2(void) { int i; @@ -1299,7 +1297,7 @@ static void check(void) check_counts(); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void check2(void) { memset(inode_count, 0, (INODES + 1) * sizeof(*inode_count)); @@ -1352,7 +1350,7 @@ extern int fsck_minix_main(int argc, char **argv) if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE) die("bad inode size"); -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (INODE_SIZE2 * MINIX2_INODES_PER_BLOCK != BLOCK_SIZE) die("bad v2 inode size"); #endif @@ -1434,7 +1432,7 @@ extern int fsck_minix_main(int argc, char **argv) tcsetattr(0, TCSANOW, &tmp); termios_set = 1; } -#if HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (version2) { check_root2(); check2(); diff --git a/mkfs_minix.c b/mkfs_minix.c index dec310d30..240dfded0 100644 --- a/mkfs_minix.c +++ b/mkfs_minix.c @@ -175,10 +175,6 @@ struct minix_dir_entry { #endif -#ifdef MINIX2_SUPER_MAGIC2 -#define HAVE_MINIX2 1 -#endif - #ifndef __linux__ #define volatile #endif @@ -191,7 +187,7 @@ struct minix_dir_entry { #define UPPER(size,n) (((size)+((n)-1))/(n)) #define INODE_SIZE (sizeof(struct minix_inode)) -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 #define INODE_SIZE2 (sizeof(struct minix2_inode)) #define INODE_BLOCKS UPPER(INODES, (version2 ? MINIX2_INODES_PER_BLOCK \ : MINIX_INODES_PER_BLOCK)) @@ -219,7 +215,7 @@ static char root_block[BLOCK_SIZE] = "\0"; static char *inode_buffer = NULL; #define Inode (((struct minix_inode *) inode_buffer)-1) -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 #define Inode2 (((struct minix2_inode *) inode_buffer)-1) #endif static char super_block_buffer[BLOCK_SIZE]; @@ -227,7 +223,7 @@ static char boot_block_buffer[512]; #define Super (*(struct minix_super_block *)super_block_buffer) #define INODES ((unsigned long)Super.s_ninodes) -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 #define ZONES ((unsigned long)(version2 ? Super.s_zones : Super.s_nzones)) #else #define ZONES ((unsigned long)(Super.s_nzones)) @@ -463,7 +459,7 @@ static void make_bad_inode(void) write_block(dind, (char *) dind_block); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void make_bad_inode2(void) { struct minix2_inode *inode = &Inode2[MINIX_BAD_INO]; @@ -536,7 +532,7 @@ static void make_root_inode(void) write_block(inode->i_zone[0], root_block); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void make_root_inode2(void) { struct minix2_inode *inode = &Inode2[MINIX_ROOT_INO]; @@ -577,7 +573,7 @@ static void setup_tables(void) else inodes = req_nr_inodes; /* Round up inode count to fill block size */ -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (version2) inodes = ((inodes + MINIX2_INODES_PER_BLOCK - 1) & ~(MINIX2_INODES_PER_BLOCK - 1)); @@ -729,7 +725,7 @@ extern int mkfs_minix_main(int argc, char **argv) if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE) die("bad inode size"); -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (INODE_SIZE2 * MINIX2_INODES_PER_BLOCK != BLOCK_SIZE) die("bad inode size"); #endif @@ -794,7 +790,7 @@ extern int mkfs_minix_main(int argc, char **argv) break; } case 'v': -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 version2 = 1; #else errorMsg("%s: not compiled with minix v2 support\n", @@ -826,7 +822,7 @@ goodbye: if (!device_name || BLOCKS < 10) { show_usage(); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (version2) { if (namelen == 14) magic = MINIX2_SUPER_MAGIC; @@ -860,7 +856,7 @@ goodbye: check_blocks(); else if (listfile) get_list_blocks(listfile); -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (version2) { make_root_inode2(); make_bad_inode2(); diff --git a/util-linux/fsck_minix.c b/util-linux/fsck_minix.c index 5807b9af5..c3c493fd2 100644 --- a/util-linux/fsck_minix.c +++ b/util-linux/fsck_minix.c @@ -196,10 +196,6 @@ struct minix_dir_entry { #define BLKGETSIZE _IO(0x12,96) /* return device size */ #endif -#ifdef MINIX2_SUPER_MAGIC2 -#define HAVE_MINIX2 1 -#endif - #ifndef __linux__ #define volatile #endif @@ -208,7 +204,7 @@ struct minix_dir_entry { #define UPPER(size,n) ((size+((n)-1))/(n)) #define INODE_SIZE (sizeof(struct minix_inode)) -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 #define INODE_SIZE2 (sizeof(struct minix2_inode)) #define INODE_BLOCKS UPPER(INODES, (version2 ? MINIX2_INODES_PER_BLOCK \ : MINIX_INODES_PER_BLOCK)) @@ -249,7 +245,7 @@ static char super_block_buffer[BLOCK_SIZE]; #define Super (*(struct minix_super_block *)super_block_buffer) #define INODES ((unsigned long)Super.s_ninodes) -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 #define ZONES ((unsigned long)(version2 ? Super.s_zones : Super.s_nzones)) #else #define ZONES ((unsigned long)(Super.s_nzones)) @@ -269,7 +265,9 @@ static unsigned char *inode_count = NULL; static unsigned char *zone_count = NULL; static void recursive_check(unsigned int ino); +#ifdef BB_FEATURE_MINIX2 static void recursive_check2(unsigned int ino); +#endif #define inode_in_use(x) (isset(inode_map,(x))) #define zone_in_use(x) (isset(zone_map,(x)-FIRSTZONE+1)) @@ -424,7 +422,7 @@ static int check_zone_nr(unsigned short *nr, int *corrected) return 0; } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static int check_zone_nr2(unsigned int *nr, int *corrected) { if (!*nr) @@ -531,7 +529,7 @@ static int map_block(struct minix_inode *inode, unsigned int blknr) return result; } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static int map_block2(struct minix2_inode *inode, unsigned int blknr) { unsigned int ind[BLOCK_SIZE >> 2]; @@ -629,7 +627,7 @@ static void get_dirsize(void) char blk[BLOCK_SIZE]; int size; -#if HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (version2) block = Inode2[ROOT_INO].i_zone[0]; else @@ -660,7 +658,7 @@ static void read_superblock(void) namelen = 30; dirsize = 32; version2 = 0; -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 } else if (MAGIC == MINIX2_SUPER_MAGIC) { namelen = 14; dirsize = 16; @@ -758,7 +756,7 @@ struct minix_inode *get_inode(unsigned int nr) return inode; } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 struct minix2_inode *get_inode2(unsigned int nr) { struct minix2_inode *inode; @@ -814,7 +812,7 @@ static void check_root(void) die("root inode isn't a directory"); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void check_root2(void) { struct minix2_inode *inode = Inode2 + ROOT_INO; @@ -857,7 +855,7 @@ static int add_zone(unsigned short *znr, int *corrected) return block; } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static int add_zone2(unsigned int *znr, int *corrected) { int result; @@ -908,7 +906,7 @@ static void add_zone_ind(unsigned short *znr, int *corrected) write_block(block, blk); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void add_zone_ind2(unsigned int *znr, int *corrected) { static char blk[BLOCK_SIZE]; @@ -942,7 +940,7 @@ static void add_zone_dind(unsigned short *znr, int *corrected) write_block(block, blk); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void add_zone_dind2(unsigned int *znr, int *corrected) { static char blk[BLOCK_SIZE]; @@ -993,7 +991,7 @@ static void check_zones(unsigned int i) add_zone_dind(8 + inode->i_zone, &changed); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void check_zones2(unsigned int i) { struct minix2_inode *inode; @@ -1078,7 +1076,7 @@ static void check_file(struct minix_inode *dir, unsigned int offset) return; } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void check_file2(struct minix2_inode *dir, unsigned int offset) { static char blk[BLOCK_SIZE]; @@ -1159,7 +1157,7 @@ static void recursive_check(unsigned int ino) check_file(dir, offset); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void recursive_check2(unsigned int ino) { struct minix2_inode *dir; @@ -1237,7 +1235,7 @@ static void check_counts(void) } } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void check_counts2(void) { int i; @@ -1299,7 +1297,7 @@ static void check(void) check_counts(); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void check2(void) { memset(inode_count, 0, (INODES + 1) * sizeof(*inode_count)); @@ -1352,7 +1350,7 @@ extern int fsck_minix_main(int argc, char **argv) if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE) die("bad inode size"); -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (INODE_SIZE2 * MINIX2_INODES_PER_BLOCK != BLOCK_SIZE) die("bad v2 inode size"); #endif @@ -1434,7 +1432,7 @@ extern int fsck_minix_main(int argc, char **argv) tcsetattr(0, TCSANOW, &tmp); termios_set = 1; } -#if HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (version2) { check_root2(); check2(); diff --git a/util-linux/mkfs_minix.c b/util-linux/mkfs_minix.c index dec310d30..240dfded0 100644 --- a/util-linux/mkfs_minix.c +++ b/util-linux/mkfs_minix.c @@ -175,10 +175,6 @@ struct minix_dir_entry { #endif -#ifdef MINIX2_SUPER_MAGIC2 -#define HAVE_MINIX2 1 -#endif - #ifndef __linux__ #define volatile #endif @@ -191,7 +187,7 @@ struct minix_dir_entry { #define UPPER(size,n) (((size)+((n)-1))/(n)) #define INODE_SIZE (sizeof(struct minix_inode)) -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 #define INODE_SIZE2 (sizeof(struct minix2_inode)) #define INODE_BLOCKS UPPER(INODES, (version2 ? MINIX2_INODES_PER_BLOCK \ : MINIX_INODES_PER_BLOCK)) @@ -219,7 +215,7 @@ static char root_block[BLOCK_SIZE] = "\0"; static char *inode_buffer = NULL; #define Inode (((struct minix_inode *) inode_buffer)-1) -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 #define Inode2 (((struct minix2_inode *) inode_buffer)-1) #endif static char super_block_buffer[BLOCK_SIZE]; @@ -227,7 +223,7 @@ static char boot_block_buffer[512]; #define Super (*(struct minix_super_block *)super_block_buffer) #define INODES ((unsigned long)Super.s_ninodes) -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 #define ZONES ((unsigned long)(version2 ? Super.s_zones : Super.s_nzones)) #else #define ZONES ((unsigned long)(Super.s_nzones)) @@ -463,7 +459,7 @@ static void make_bad_inode(void) write_block(dind, (char *) dind_block); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void make_bad_inode2(void) { struct minix2_inode *inode = &Inode2[MINIX_BAD_INO]; @@ -536,7 +532,7 @@ static void make_root_inode(void) write_block(inode->i_zone[0], root_block); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 static void make_root_inode2(void) { struct minix2_inode *inode = &Inode2[MINIX_ROOT_INO]; @@ -577,7 +573,7 @@ static void setup_tables(void) else inodes = req_nr_inodes; /* Round up inode count to fill block size */ -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (version2) inodes = ((inodes + MINIX2_INODES_PER_BLOCK - 1) & ~(MINIX2_INODES_PER_BLOCK - 1)); @@ -729,7 +725,7 @@ extern int mkfs_minix_main(int argc, char **argv) if (INODE_SIZE * MINIX_INODES_PER_BLOCK != BLOCK_SIZE) die("bad inode size"); -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (INODE_SIZE2 * MINIX2_INODES_PER_BLOCK != BLOCK_SIZE) die("bad inode size"); #endif @@ -794,7 +790,7 @@ extern int mkfs_minix_main(int argc, char **argv) break; } case 'v': -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 version2 = 1; #else errorMsg("%s: not compiled with minix v2 support\n", @@ -826,7 +822,7 @@ goodbye: if (!device_name || BLOCKS < 10) { show_usage(); } -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (version2) { if (namelen == 14) magic = MINIX2_SUPER_MAGIC; @@ -860,7 +856,7 @@ goodbye: check_blocks(); else if (listfile) get_list_blocks(listfile); -#ifdef HAVE_MINIX2 +#ifdef BB_FEATURE_MINIX2 if (version2) { make_root_inode2(); make_bad_inode2(); -- cgit v1.2.3