wok rev 20223
grub: add ext4 patch
| author | Pascal Bellard <pascal.bellard@slitaz.org> |
|---|---|
| date | Thu Mar 01 10:11:27 2018 +0100 (2018-03-01) |
| parents | ccdba9b27403 |
| children | 90f9ce95a98e |
| files | grub/receipt grub/stuff/ext3_256byte_inode+ext4.diff grub/stuff/ext3_256byte_inode.diff |
line diff
1.1 --- a/grub/receipt Mon Feb 26 19:03:16 2018 +0100 1.2 +++ b/grub/receipt Thu Mar 01 10:11:27 2018 +0100 1.3 @@ -16,7 +16,6 @@ 1.4 # Rules to configure and make the package. 1.5 compile_rules() 1.6 { 1.7 - cd $src 1.8 for i in $stuff/*.diff ; do 1.9 [ -f $(basename $i) ] && continue 1.10 patch -p1 < $i 1.11 @@ -46,4 +45,3 @@ 1.12 # Example config file (menu.lst). 1.13 cp $stuff/example-menu.lst $fs/boot/grub 1.14 } 1.15 -
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 2.2 +++ b/grub/stuff/ext3_256byte_inode+ext4.diff Thu Mar 01 10:11:27 2018 +0100 2.3 @@ -0,0 +1,935 @@ 2.4 +--- grub-0.97/stage2/fsys_ext2fs.c 2.5 ++++ grub-0.97/stage2/fsys_ext2fs.c 2.6 +@@ -17,6 +17,19 @@ 2.7 + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 2.8 + */ 2.9 + 2.10 ++/* 2.11 ++ * The patch about "ext3 with 256-byte inode size" was made by 2.12 ++ * Stefan Lippers-Hollmann <s.L-H@gmx.de> for Debian in 2008-01-30. 2.13 ++ * Thank Barton for submittal of this patch. 2.14 ++ * ---- Tinybit, 2008-06-24 2.15 ++ */ 2.16 ++ 2.17 ++/* 2.18 ++ * The ext4 patch comes from Gentoo. 2.19 ++ * Thank kraml for direction to this patch. 2.20 ++ * ---- Tinybit, 2009-02-11 2.21 ++ */ 2.22 ++ 2.23 + #ifdef FSYS_EXT2FS 2.24 + 2.25 + #include "shared.h" 2.26 +@@ -41,6 +54,7 @@ 2.27 + typedef unsigned short __u16; 2.28 + typedef __signed__ int __s32; 2.29 + typedef unsigned int __u32; 2.30 ++typedef unsigned long long __u64; 2.31 + 2.32 + /* 2.33 + * Constants relative to the data blocks, from ext2_fs.h 2.34 +@@ -61,9 +75,9 @@ 2.35 + __u32 s_free_inodes_count; /* Free inodes count */ 2.36 + __u32 s_first_data_block; /* First Data Block */ 2.37 + __u32 s_log_block_size; /* Block size */ 2.38 +- __s32 s_log_frag_size; /* Fragment size */ 2.39 ++ __s32 s_obso_log_frag_size; /* Obsoleted Fragment size */ 2.40 + __u32 s_blocks_per_group; /* # Blocks per group */ 2.41 +- __u32 s_frags_per_group; /* # Fragments per group */ 2.42 ++ __u32 s_obso_frags_per_group; /* Obsoleted Fragments per group */ 2.43 + __u32 s_inodes_per_group; /* # Inodes per group */ 2.44 + __u32 s_mtime; /* Mount time */ 2.45 + __u32 s_wtime; /* Write time */ 2.46 +@@ -72,13 +86,14 @@ 2.47 + __u16 s_magic; /* Magic signature */ 2.48 + __u16 s_state; /* File system state */ 2.49 + __u16 s_errors; /* Behaviour when detecting errors */ 2.50 +- __u16 s_pad; 2.51 ++ __u16 s_minor_rev_level; /* minor revision level */ 2.52 + __u32 s_lastcheck; /* time of last check */ 2.53 + __u32 s_checkinterval; /* max. time between checks */ 2.54 + __u32 s_creator_os; /* OS */ 2.55 + __u32 s_rev_level; /* Revision level */ 2.56 + __u16 s_def_resuid; /* Default uid for reserved blocks */ 2.57 + __u16 s_def_resgid; /* Default gid for reserved blocks */ 2.58 ++ //__u32 s_reserved[235]; /* Padding to the end of the block */ 2.59 + /* 2.60 + * These fields are for EXT2_DYNAMIC_REV superblocks only. 2.61 + * 2.62 +@@ -98,16 +113,16 @@ 2.63 + __u32 s_feature_compat; /* compatible feature set */ 2.64 + __u32 s_feature_incompat; /* incompatible feature set */ 2.65 + __u32 s_feature_ro_compat; /* readonly-compatible feature set */ 2.66 +- __u8 s_uuid[16]; /* 128-bit uuid for volume */ 2.67 +- char s_volume_name[16]; /* volume name */ 2.68 +- char s_last_mounted[64]; /* directory where last mounted */ 2.69 +- __u32 s_algorithm_usage_bitmap; /* For compression */ 2.70 ++ __u8 s_uuid[16]; /* 128-bit uuid for volume */ 2.71 ++ char s_volume_name[16]; /* volume name */ 2.72 ++ char s_last_mounted[64]; /* directory where last mounted */ 2.73 ++ __u32 s_algorithm_usage_bitmap; /* For compression */ 2.74 + /* 2.75 +- * Performance hints. Directory preallocation should only 2.76 ++ * Performance hints. Directory preallocation should only 2.77 + * happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on. 2.78 + */ 2.79 +- __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/ 2.80 +- __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */ 2.81 ++ __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/ 2.82 ++ __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */ 2.83 + __u16 s_reserved_gdt_blocks;/* Per group table for online growth */ 2.84 + /* 2.85 + * Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set. 2.86 +@@ -117,17 +132,17 @@ 2.87 + __u32 s_journal_dev; /* device number of journal file */ 2.88 + __u32 s_last_orphan; /* start of list of inodes to delete */ 2.89 + __u32 s_hash_seed[4]; /* HTREE hash seed */ 2.90 +- __u8 s_def_hash_version; /* Default hash version to use */ 2.91 +- __u8 s_jnl_backup_type; /* Default type of journal backup */ 2.92 +- __u16 s_reserved_word_pad; 2.93 ++ __u8 s_def_hash_version; /* Default hash version to use */ 2.94 ++ __u8 s_jnl_backup_type; /* Default type of journal backup */ 2.95 ++ __u16 s_desc_size; /* size of group descriptor */ 2.96 + __u32 s_default_mount_opts; 2.97 + __u32 s_first_meta_bg; /* First metablock group */ 2.98 + __u32 s_mkfs_time; /* When the filesystem was created */ 2.99 +- __u32 s_jnl_blocks[17]; /* Backup of the journal inode */ 2.100 ++ __u32 s_jnl_blocks[17]; /* Backup of the journal inode */ 2.101 + __u32 s_reserved[172]; /* Padding to the end of the block */ 2.102 + }; 2.103 + 2.104 +-struct ext2_group_desc 2.105 ++struct ext4_group_desc 2.106 + { 2.107 + __u32 bg_block_bitmap; /* Blocks bitmap block */ 2.108 + __u32 bg_inode_bitmap; /* Inodes bitmap block */ 2.109 +@@ -135,8 +150,18 @@ 2.110 + __u16 bg_free_blocks_count; /* Free blocks count */ 2.111 + __u16 bg_free_inodes_count; /* Free inodes count */ 2.112 + __u16 bg_used_dirs_count; /* Directories count */ 2.113 +- __u16 bg_pad; 2.114 +- __u32 bg_reserved[3]; 2.115 ++ __u16 bg_flags; /* EXT4_BG_flags (INODE_UNINIT, etc) */ 2.116 ++ __u32 bg_reserved[2]; /* Likely block/inode bitmap checksum */ 2.117 ++ __u16 bg_itable_unused; /* Unused inodes count */ 2.118 ++ __u16 bg_checksum; /* crc16(sb_uuid+group+desc) */ 2.119 ++ __u32 bg_block_bitmap_hi; /* Blocks bitmap block MSB */ 2.120 ++ __u32 bg_inode_bitmap_hi; /* Inodes bitmap block MSB */ 2.121 ++ __u32 bg_inode_table_hi; /* Inodes table block MSB */ 2.122 ++ __u16 bg_free_blocks_count_hi;/* Free blocks count MSB */ 2.123 ++ __u16 bg_free_inodes_count_hi;/* Free inodes count MSB */ 2.124 ++ __u16 bg_used_dirs_count_hi; /* Directories count MSB */ 2.125 ++ __u16 bg_itable_unused_hi; /* Unused inodes count MSB */ 2.126 ++ __u32 bg_reserved2[3]; 2.127 + }; 2.128 + 2.129 + struct ext2_inode 2.130 +@@ -174,22 +199,22 @@ 2.131 + __u32 i_block[EXT2_N_BLOCKS]; /* 40: Pointers to blocks */ 2.132 + __u32 i_version; /* File version (for NFS) */ 2.133 + __u32 i_file_acl; /* File ACL */ 2.134 +- __u32 i_dir_acl; /* Directory ACL */ 2.135 +- __u32 i_faddr; /* Fragment address */ 2.136 ++ __u32 i_size_high; 2.137 ++ __u32 i_obso_faddr; /* Obsoleted fragment address */ 2.138 + union 2.139 + { 2.140 + struct 2.141 + { 2.142 +- __u8 l_i_frag; /* Fragment number */ 2.143 +- __u8 l_i_fsize; /* Fragment size */ 2.144 +- __u16 i_pad1; 2.145 +- __u32 l_i_reserved2[2]; 2.146 ++ __u16 l_i_blocks_high; /* were l_i_reserved1 */ 2.147 ++ __u16 l_i_file_acl_high; 2.148 ++ __u16 l_i_uid_high; /* these 2 fields */ 2.149 ++ __u16 l_i_gid_high; /* were reserved2[0] */ 2.150 ++ __u32 l_i_reserved2; 2.151 + } 2.152 + linux2; 2.153 + struct 2.154 + { 2.155 +- __u8 h_i_frag; /* Fragment number */ 2.156 +- __u8 h_i_fsize; /* Fragment size */ 2.157 ++ __u16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */ 2.158 + __u16 h_i_mode_high; 2.159 + __u16 h_i_uid_high; 2.160 + __u16 h_i_gid_high; 2.161 +@@ -198,16 +223,36 @@ 2.162 + hurd2; 2.163 + struct 2.164 + { 2.165 +- __u8 m_i_frag; /* Fragment number */ 2.166 +- __u8 m_i_fsize; /* Fragment size */ 2.167 +- __u16 m_pad1; 2.168 ++ __u16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */ 2.169 ++ __u16 m_i_file_acl_high; 2.170 + __u32 m_i_reserved2[2]; 2.171 + } 2.172 + masix2; 2.173 + } 2.174 + osd2; /* OS dependent 2 */ 2.175 ++ __u16 i_extra_isize; 2.176 ++ __u16 i_pad1; 2.177 ++ __u32 i_ctime_extra; /* extra Change time (nsec << 2 | epoch) */ 2.178 ++ __u32 i_mtime_extra; /* extra Modification time(nsec << 2 | epoch) */ 2.179 ++ __u32 i_atime_extra; /* extra Access time (nsec << 2 | epoch) */ 2.180 ++ __u32 i_crtime; /* File Creation time */ 2.181 ++ __u32 i_crtime_extra; /* extra FileCreationtime (nsec << 2 | epoch) */ 2.182 ++ __u32 i_version_hi; /* high 32 bits for 64-bit version */ 2.183 + }; 2.184 + 2.185 ++#define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */ 2.186 ++#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 /* grub not supported*/ 2.187 ++#define EXT4_FEATURE_INCOMPAT_MMP 0x0100 2.188 ++#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200 2.189 ++ 2.190 ++#define EXT4_HAS_INCOMPAT_FEATURE(sb,mask) \ 2.191 ++ ( sb->s_feature_incompat & mask ) 2.192 ++ 2.193 ++#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */ 2.194 ++#define EXT4_HUGE_FILE_FL 0x00040000 /* Set to each huge file */ 2.195 ++ 2.196 ++#define EXT4_MIN_DESC_SIZE 32 2.197 ++ 2.198 + /* linux/limits.h */ 2.199 + #define NAME_MAX 255 /* # chars in a file name */ 2.200 + 2.201 +@@ -225,6 +270,57 @@ 2.202 + char name[EXT2_NAME_LEN]; /* File name */ 2.203 + }; 2.204 + 2.205 ++/* linux/ext4_fs_extents.h */ 2.206 ++/* This is the extent on-disk structure. 2.207 ++ * It's used at the bottom of the tree. 2.208 ++ */ 2.209 ++struct ext4_extent 2.210 ++ { 2.211 ++ __u32 ee_block; /* first logical block extent covers */ 2.212 ++ __u16 ee_len; /* number of blocks covered by extent */ 2.213 ++ __u16 ee_start_hi; /* high 16 bits of physical block */ 2.214 ++ __u32 ee_start_lo; /* low 32 bits of physical block */ 2.215 ++ }; 2.216 ++ 2.217 ++/* 2.218 ++ * This is index on-disk structure. 2.219 ++ * It's used at all the levels except the bottom. 2.220 ++ */ 2.221 ++struct ext4_extent_idx 2.222 ++ { 2.223 ++ __u32 ei_block; /* index covers logical blocks from 'block' */ 2.224 ++ __u32 ei_leaf_lo; /* pointer to the physical block of the next * 2.225 ++ * level. leaf or next index could be there */ 2.226 ++ __u16 ei_leaf_hi; /* high 16 bits of physical block */ 2.227 ++ __u16 ei_unused; 2.228 ++ }; 2.229 ++ 2.230 ++/* 2.231 ++ * Each block (leaves and indexes), even inode-stored has header. 2.232 ++ */ 2.233 ++struct ext4_extent_header 2.234 ++ { 2.235 ++ __u16 eh_magic; /* probably will support different formats */ 2.236 ++ __u16 eh_entries; /* number of valid entries */ 2.237 ++ __u16 eh_max; /* capacity of store in entries */ 2.238 ++ __u16 eh_depth; /* has tree real underlying blocks? */ 2.239 ++ __u32 eh_generation; /* generation of the tree */ 2.240 ++ }; 2.241 ++ 2.242 ++#define EXT4_EXT_MAGIC (0xf30a) 2.243 ++#define EXT_FIRST_EXTENT(__hdr__) \ 2.244 ++ ((struct ext4_extent *) (((char *) (__hdr__)) + \ 2.245 ++ sizeof(struct ext4_extent_header))) 2.246 ++#define EXT_FIRST_INDEX(__hdr__) \ 2.247 ++ ((struct ext4_extent_idx *) (((char *) (__hdr__)) + \ 2.248 ++ sizeof(struct ext4_extent_header))) 2.249 ++#define EXT_LAST_EXTENT(__hdr__) \ 2.250 ++ (EXT_FIRST_EXTENT((__hdr__)) + (__u16)((__hdr__)->eh_entries) - 1) 2.251 ++#define EXT_LAST_INDEX(__hdr__) \ 2.252 ++ (EXT_FIRST_INDEX((__hdr__)) + (__u16)((__hdr__)->eh_entries) - 1) 2.253 ++ 2.254 ++ 2.255 ++ 2.256 + /* linux/ext2fs.h */ 2.257 + /* 2.258 + * EXT2_DIR_PAD defines the directory entries boundaries 2.259 +@@ -238,7 +334,7 @@ 2.260 + 2.261 + 2.262 + /* ext2/super.c */ 2.263 +-#define log2(n) ffz(~(n)) 2.264 ++//#define log2(n) ffz(~(n)) 2.265 + 2.266 + #define EXT2_SUPER_MAGIC 0xEF53 /* include/linux/ext2_fs.h */ 2.267 + #define EXT2_ROOT_INO 2 /* include/linux/ext2_fs.h */ 2.268 +@@ -247,11 +343,12 @@ 2.269 + 2.270 + /* made up, these are pointers into FSYS_BUF */ 2.271 + /* read once, always stays there: */ 2.272 ++#define NAME_BUF ((char *)(FSYS_BUF)) /* 512 bytes */ 2.273 + #define SUPERBLOCK \ 2.274 +- ((struct ext2_super_block *)(FSYS_BUF)) 2.275 ++ ((struct ext2_super_block *)((FSYS_BUF)+512)) /* 1024 bytes */ 2.276 + #define GROUP_DESC \ 2.277 + ((struct ext2_group_desc *) \ 2.278 +- ((int)SUPERBLOCK + sizeof(struct ext2_super_block))) 2.279 ++ ((int)SUPERBLOCK + sizeof(struct ext2_super_block))) /* 32 bytes */ 2.280 + #define INODE \ 2.281 + ((struct ext2_inode *)((int)GROUP_DESC + EXT2_BLOCK_SIZE(SUPERBLOCK))) 2.282 + #define DATABLOCK1 \ 2.283 +@@ -261,14 +358,19 @@ 2.284 + 2.285 + /* linux/ext2_fs.h */ 2.286 + #define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (__u32)) 2.287 +-#define EXT2_ADDR_PER_BLOCK_BITS(s) (log2(EXT2_ADDR_PER_BLOCK(s))) 2.288 ++#define EXT2_ADDR_PER_BLOCK_BITS(s) (log2_tmp(EXT2_ADDR_PER_BLOCK(s))) 2.289 + 2.290 ++/* Revision levels */ 2.291 + #define EXT2_GOOD_OLD_REV 0 /* The good old (original) format */ 2.292 + #define EXT2_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */ 2.293 +-#define EXT2_GOOD_OLD_INODE_SIZE 128 2.294 +-#define EXT2_INODE_SIZE(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ 2.295 +- EXT2_GOOD_OLD_INODE_SIZE : \ 2.296 +- (s)->s_inode_size) 2.297 ++ 2.298 ++#define EXT2_CURRENT_REV EXT2_GOOD_OLD_REV 2.299 ++#define EXT2_MAX_SUPP_REV EXT2_DYNAMIC_REV 2.300 ++ 2.301 ++#define EXT2_GOOD_OLD_INODE_SIZE 128 2.302 ++ 2.303 ++#define EXT2_INODE_SIZE(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? EXT2_GOOD_OLD_INODE_SIZE : (s)->s_inode_size) 2.304 ++//#define EXT2_INODE_SIZE(s) (SUPERBLOCK->s_inode_size) 2.305 + #define EXT2_INODES_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s)/EXT2_INODE_SIZE(s)) 2.306 + 2.307 + /* linux/ext2_fs.h */ 2.308 +@@ -276,8 +378,17 @@ 2.309 + /* kind of from ext2/super.c */ 2.310 + #define EXT2_BLOCK_SIZE(s) (1 << EXT2_BLOCK_SIZE_BITS(s)) 2.311 + /* linux/ext2fs.h */ 2.312 ++/* sizeof(struct ext2_group_desc) is changed in ext4 2.313 ++ * in kernel code, ext2/3 uses sizeof(struct ext2_group_desc) to calculate 2.314 ++ * number of desc per block, while ext4 uses superblock->s_desc_size in stead 2.315 ++ * superblock->s_desc_size is not available in ext2/3 2.316 ++ * */ 2.317 ++#define EXT2_DESC_SIZE(s) \ 2.318 ++ (EXT4_HAS_INCOMPAT_FEATURE(s,EXT4_FEATURE_INCOMPAT_64BIT)? \ 2.319 ++ s->s_desc_size : EXT4_MIN_DESC_SIZE) 2.320 + #define EXT2_DESC_PER_BLOCK(s) \ 2.321 +- (EXT2_BLOCK_SIZE(s) / sizeof (struct ext2_group_desc)) 2.322 ++ (EXT2_BLOCK_SIZE(s) / EXT2_DESC_SIZE(s)) 2.323 ++ 2.324 + /* linux/stat.h */ 2.325 + #define S_IFMT 00170000 2.326 + #define S_IFLNK 0120000 2.327 +@@ -287,38 +398,82 @@ 2.328 + #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG) 2.329 + #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 2.330 + 2.331 ++#ifndef GRUB_UTIL 2.332 ++static char *linkbuf = (char *)(FSYS_BUF - PATH_MAX); /* buffer for following symbolic links */ 2.333 ++#else 2.334 ++static char linkbuf[PATH_MAX]; /* buffer for following symbolic links */ 2.335 ++#endif 2.336 ++ 2.337 + /* include/asm-i386/bitops.h */ 2.338 + /* 2.339 + * ffz = Find First Zero in word. Undefined if no zero exists, 2.340 + * so code should check against ~0UL first.. 2.341 + */ 2.342 +-static __inline__ unsigned long 2.343 +-ffz (unsigned long word) 2.344 +-{ 2.345 +- __asm__ ("bsfl %1,%0" 2.346 +-: "=r" (word) 2.347 +-: "r" (~word)); 2.348 +- return word; 2.349 +-} 2.350 ++//static __inline__ unsigned long 2.351 ++//ffz (unsigned long word) 2.352 ++//{ 2.353 ++// __asm__ ("bsfl %1,%0" 2.354 ++//: "=r" (word) 2.355 ++//: "r" (~word)); 2.356 ++// return word; 2.357 ++//} 2.358 + 2.359 + /* check filesystem types and read superblock into memory buffer */ 2.360 + int 2.361 + ext2fs_mount (void) 2.362 + { 2.363 +- int retval = 1; 2.364 ++// if (((current_drive & 0x80) || (current_slice != 0)) 2.365 ++// && (current_slice != PC_SLICE_TYPE_EXT2FS) 2.366 ++// && (current_slice != PC_SLICE_TYPE_LINUX_RAID) 2.367 ++// && (! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_EXT2FS)) 2.368 ++// && (! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_OTHER))) 2.369 ++// return 0; 2.370 ++ 2.371 ++ if ((unsigned long)part_length < (SBLOCK + (sizeof(struct ext2_super_block) / DEV_BSIZE))) 2.372 ++ return 0; 2.373 + 2.374 +- if ((((current_drive & 0x80) || (current_slice != 0)) 2.375 +- && (current_slice != PC_SLICE_TYPE_EXT2FS) 2.376 +- && (current_slice != PC_SLICE_TYPE_LINUX_RAID) 2.377 +- && (! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_EXT2FS)) 2.378 +- && (! IS_PC_SLICE_TYPE_BSD_WITH_FS (current_slice, FS_OTHER))) 2.379 +- || part_length < (SBLOCK + (sizeof (struct ext2_super_block) / DEV_BSIZE)) 2.380 +- || !devread (SBLOCK, 0, sizeof (struct ext2_super_block), 2.381 +- (char *) SUPERBLOCK) 2.382 +- || SUPERBLOCK->s_magic != EXT2_SUPER_MAGIC) 2.383 +- retval = 0; 2.384 ++ if (!devread(SBLOCK, 0, sizeof(struct ext2_super_block), (char *)SUPERBLOCK, 0xedde0d90)) 2.385 ++ return 0; 2.386 + 2.387 +- return retval; 2.388 ++ if (SUPERBLOCK->s_magic != EXT2_SUPER_MAGIC) 2.389 ++ return 0; 2.390 ++ 2.391 ++ if (SUPERBLOCK->s_inodes_count == 0) 2.392 ++ return 0; 2.393 ++ 2.394 ++ if (SUPERBLOCK->s_blocks_count == 0) 2.395 ++ return 0; 2.396 ++ 2.397 ++ if (SUPERBLOCK->s_blocks_per_group == 0) 2.398 ++ return 0; 2.399 ++ 2.400 ++ if (SUPERBLOCK->s_inodes_per_group == 0) 2.401 ++ return 0; 2.402 ++ 2.403 ++ if (SUPERBLOCK->s_first_data_block > 1) /* 1 for 1K block, 0 otherwise */ 2.404 ++ return 0; 2.405 ++ 2.406 ++ if (SUPERBLOCK->s_log_block_size > 4) /* max size of block is 16K. 0 for 1K */ 2.407 ++ return 0; 2.408 ++ 2.409 ++ if (SUPERBLOCK->s_first_data_block) 2.410 ++ { 2.411 ++ if (SUPERBLOCK->s_log_block_size) 2.412 ++ return 0; 2.413 ++ } else { 2.414 ++ if (SUPERBLOCK->s_log_block_size == 0) 2.415 ++ return 0; 2.416 ++ } 2.417 ++ 2.418 ++ if (SUPERBLOCK->s_rev_level) 2.419 ++ { 2.420 ++ if (SUPERBLOCK->s_inode_size == 0) 2.421 ++ return 0; 2.422 ++ if (EXT2_BLOCK_SIZE(SUPERBLOCK) % (SUPERBLOCK->s_inode_size)) 2.423 ++ return 0; 2.424 ++ } 2.425 ++ 2.426 ++ return 1; 2.427 + } 2.428 + 2.429 + /* Takes a file system block number and reads it into BUFFER. */ 2.430 +@@ -329,7 +484,7 @@ 2.431 + printf ("fsblock %d buffer %d\n", fsblock, buffer); 2.432 + #endif /* E2DEBUG */ 2.433 + return devread (fsblock * (EXT2_BLOCK_SIZE (SUPERBLOCK) / DEV_BSIZE), 0, 2.434 +- EXT2_BLOCK_SIZE (SUPERBLOCK), (char *) buffer); 2.435 ++ EXT2_BLOCK_SIZE (SUPERBLOCK), (char *) buffer, 0xedde0d90); 2.436 + } 2.437 + 2.438 + /* from 2.439 +@@ -338,7 +493,7 @@ 2.440 + /* Maps LOGICAL_BLOCK (the file offset divided by the blocksize) into 2.441 + a physical block (the location in the file system) via an inode. */ 2.442 + static int 2.443 +-ext2fs_block_map (int logical_block) 2.444 ++ext2fs_block_map (unsigned long logical_block) 2.445 + { 2.446 + 2.447 + #ifdef E2DEBUG 2.448 +@@ -412,13 +567,16 @@ 2.449 + /* else */ 2.450 + mapblock2 = -1; 2.451 + logical_block -= (1 << (EXT2_ADDR_PER_BLOCK_BITS (SUPERBLOCK) * 2)); 2.452 ++ 2.453 + if (mapblock1 != 3 2.454 + && !ext2_rdfsb (INODE->i_block[EXT2_TIND_BLOCK], DATABLOCK1)) 2.455 + { 2.456 + errnum = ERR_FSYS_CORRUPT; 2.457 + return -1; 2.458 + } 2.459 ++ 2.460 + mapblock1 = 3; 2.461 ++ 2.462 + if (!ext2_rdfsb (((__u32 *) DATABLOCK1) 2.463 + [logical_block >> (EXT2_ADDR_PER_BLOCK_BITS (SUPERBLOCK) 2.464 + * 2)], 2.465 +@@ -427,7 +585,8 @@ 2.466 + errnum = ERR_FSYS_CORRUPT; 2.467 + return -1; 2.468 + } 2.469 +- if (!ext2_rdfsb (((__u32 *) DATABLOCK2) 2.470 ++ 2.471 ++ if (! ext2_rdfsb (((__u32 *) DATABLOCK2) 2.472 + [(logical_block >> EXT2_ADDR_PER_BLOCK_BITS (SUPERBLOCK)) 2.473 + & (EXT2_ADDR_PER_BLOCK (SUPERBLOCK) - 1)], 2.474 + DATABLOCK2)) 2.475 +@@ -435,30 +594,148 @@ 2.476 + errnum = ERR_FSYS_CORRUPT; 2.477 + return -1; 2.478 + } 2.479 +- return ((__u32 *) DATABLOCK2) 2.480 +- [logical_block & (EXT2_ADDR_PER_BLOCK (SUPERBLOCK) - 1)]; 2.481 ++ 2.482 ++ return ((__u32 *) DATABLOCK2)[logical_block & (EXT2_ADDR_PER_BLOCK (SUPERBLOCK) - 1)]; 2.483 + } 2.484 + 2.485 ++/* extent binary search index 2.486 ++ * find closest index in the current level extent tree 2.487 ++ * kind of from ext4_ext_binsearch_idx in ext4/extents.c 2.488 ++ */ 2.489 ++static struct ext4_extent_idx* 2.490 ++ext4_ext_binsearch_idx(struct ext4_extent_header* eh, int logical_block) 2.491 ++{ 2.492 ++ struct ext4_extent_idx *r, *l, *m; 2.493 ++ l = EXT_FIRST_INDEX(eh) + 1; 2.494 ++ r = EXT_LAST_INDEX(eh); 2.495 ++ while (l <= r) 2.496 ++ { 2.497 ++ m = l + (r - l) / 2; 2.498 ++ if (logical_block < m->ei_block) 2.499 ++ r = m - 1; 2.500 ++ else 2.501 ++ l = m + 1; 2.502 ++ } 2.503 ++ return (struct ext4_extent_idx*)(l - 1); 2.504 ++} 2.505 ++ 2.506 ++/* extent binary search 2.507 ++ * find closest extent in the leaf level 2.508 ++ * kind of from ext4_ext_binsearch in ext4/extents.c 2.509 ++ */ 2.510 ++static struct ext4_extent* 2.511 ++ext4_ext_binsearch(struct ext4_extent_header* eh, int logical_block) 2.512 ++{ 2.513 ++ struct ext4_extent *r, *l, *m; 2.514 ++ l = EXT_FIRST_EXTENT(eh) + 1; 2.515 ++ r = EXT_LAST_EXTENT(eh); 2.516 ++ while (l <= r) 2.517 ++ { 2.518 ++ m = l + (r - l) / 2; 2.519 ++ if (logical_block < m->ee_block) 2.520 ++ r = m - 1; 2.521 ++ else 2.522 ++ l = m + 1; 2.523 ++ } 2.524 ++ return (struct ext4_extent*)(l - 1); 2.525 ++} 2.526 ++ 2.527 ++/* Maps extents enabled logical block into physical block via an inode. 2.528 ++ * EXT4_HUGE_FILE_FL should be checked before calling this. 2.529 ++ */ 2.530 ++static int 2.531 ++ext4fs_block_map (int logical_block) 2.532 ++{ 2.533 ++ struct ext4_extent_header *eh; 2.534 ++ struct ext4_extent *ex;//, *extent; 2.535 ++ struct ext4_extent_idx *ei;//, *index; 2.536 ++ int depth; 2.537 ++ //int i; 2.538 ++ 2.539 ++#ifdef E2DEBUG 2.540 ++ unsigned char *i; 2.541 ++ for (i = (unsigned char *) INODE; 2.542 ++ i < ((unsigned char *) INODE + sizeof (struct ext2_inode)); 2.543 ++ i++) 2.544 ++ { 2.545 ++ printf ("%c", "0123456789abcdef"[*i >> 4]); 2.546 ++ printf ("%c", "0123456789abcdef"[*i % 16]); 2.547 ++ if (!((i + 1 - (unsigned char *) INODE) % 16)) 2.548 ++ { 2.549 ++ printf ("\n"); 2.550 ++ } 2.551 ++ else 2.552 ++ { 2.553 ++ printf (" "); 2.554 ++ } 2.555 ++ } 2.556 ++ printf ("logical block %d\n", logical_block); 2.557 ++#endif /* E2DEBUG */ 2.558 ++ eh = (struct ext4_extent_header*)INODE->i_block; 2.559 ++ if (eh->eh_magic != EXT4_EXT_MAGIC) 2.560 ++ { 2.561 ++ errnum = ERR_FSYS_CORRUPT; 2.562 ++ return -1; 2.563 ++ } 2.564 ++ while((depth = eh->eh_depth) != 0) 2.565 ++ { /* extent index */ 2.566 ++ if (eh->eh_magic != EXT4_EXT_MAGIC) 2.567 ++ { 2.568 ++ errnum = ERR_FSYS_CORRUPT; 2.569 ++ return -1; 2.570 ++ } 2.571 ++ ei = ext4_ext_binsearch_idx(eh, logical_block); 2.572 ++ if (ei->ei_leaf_hi) 2.573 ++ {/* 64bit physical block number not supported */ 2.574 ++ errnum = ERR_FILELENGTH; 2.575 ++ return -1; 2.576 ++ } 2.577 ++ if (!ext2_rdfsb(ei->ei_leaf_lo, DATABLOCK1)) 2.578 ++ { 2.579 ++ errnum = ERR_FSYS_CORRUPT; 2.580 ++ return -1; 2.581 ++ } 2.582 ++ eh = (struct ext4_extent_header*)DATABLOCK1; 2.583 ++ } 2.584 ++ 2.585 ++ /* depth==0, we come to the leaf */ 2.586 ++ ex = ext4_ext_binsearch(eh, logical_block); 2.587 ++ if (ex->ee_start_hi) 2.588 ++ {/* 64bit physical block number not supported */ 2.589 ++ errnum = ERR_FILELENGTH; 2.590 ++ return -1; 2.591 ++ } 2.592 ++ if ((ex->ee_block + ex->ee_len) < logical_block) 2.593 ++ { 2.594 ++ errnum = ERR_FSYS_CORRUPT; 2.595 ++ return -1; 2.596 ++ } 2.597 ++ return ex->ee_start_lo + logical_block - ex->ee_block; 2.598 ++ 2.599 ++} 2.600 ++ 2.601 + /* preconditions: all preconds of ext2fs_block_map */ 2.602 +-int 2.603 +-ext2fs_read (char *buf, int len) 2.604 ++unsigned long 2.605 ++ext2fs_read (char *buf, unsigned long len, unsigned long write) 2.606 + { 2.607 +- int logical_block; 2.608 +- int offset; 2.609 ++ unsigned long logical_block; 2.610 ++ unsigned long offset; 2.611 ++ unsigned long ret = 0; 2.612 ++ unsigned long size = 0; 2.613 + int map; 2.614 +- int ret = 0; 2.615 +- int size = 0; 2.616 + 2.617 + #ifdef E2DEBUG 2.618 + static char hexdigit[] = "0123456789abcdef"; 2.619 + unsigned char *i; 2.620 ++ 2.621 + for (i = (unsigned char *) INODE; 2.622 + i < ((unsigned char *) INODE + sizeof (struct ext2_inode)); 2.623 + i++) 2.624 + { 2.625 + printf ("%c", hexdigit[*i >> 4]); 2.626 + printf ("%c", hexdigit[*i % 16]); 2.627 +- if (!((i + 1 - (unsigned char *) INODE) % 16)) 2.628 ++ 2.629 ++ if (! ((i + 1 - (unsigned char *) INODE) % 16)) 2.630 + { 2.631 + printf ("\n"); 2.632 + } 2.633 +@@ -469,41 +746,53 @@ 2.634 + } 2.635 + #endif /* E2DEBUG */ 2.636 + while (len > 0) 2.637 +- { 2.638 ++ { 2.639 + /* find the (logical) block component of our location */ 2.640 + logical_block = filepos >> EXT2_BLOCK_SIZE_BITS (SUPERBLOCK); 2.641 + offset = filepos & (EXT2_BLOCK_SIZE (SUPERBLOCK) - 1); 2.642 ++ 2.643 ++ /* map extents enabled logical block number to physical fs on-dick block number */ 2.644 ++ if (EXT4_HAS_INCOMPAT_FEATURE(SUPERBLOCK,EXT4_FEATURE_INCOMPAT_EXTENTS) 2.645 ++ && INODE->i_flags & EXT4_EXTENTS_FL) 2.646 ++ map = ext4fs_block_map (logical_block); 2.647 ++ else 2.648 + map = ext2fs_block_map (logical_block); 2.649 ++ 2.650 + #ifdef E2DEBUG 2.651 + printf ("map=%d\n", map); 2.652 + #endif /* E2DEBUG */ 2.653 ++ 2.654 + if (map < 0) 2.655 +- break; 2.656 ++ break; 2.657 + 2.658 + size = EXT2_BLOCK_SIZE (SUPERBLOCK); 2.659 + size -= offset; 2.660 ++ 2.661 + if (size > len) 2.662 +- size = len; 2.663 ++ size = len; 2.664 + 2.665 +- if (map == 0) { 2.666 +- memset ((char *) buf, 0, size); 2.667 ++ if (map == 0) 2.668 ++ { 2.669 ++ if (buf) 2.670 ++ memset ((char *) buf, 0, size); 2.671 + } else { 2.672 +- disk_read_func = disk_read_hook; 2.673 ++ disk_read_func = disk_read_hook; 2.674 + 2.675 +- devread (map * (EXT2_BLOCK_SIZE (SUPERBLOCK) / DEV_BSIZE), 2.676 +- offset, size, buf); 2.677 ++ devread (map * (EXT2_BLOCK_SIZE (SUPERBLOCK) / DEV_BSIZE), 2.678 ++ offset, size, buf, write); 2.679 + 2.680 +- disk_read_func = NULL; 2.681 ++ disk_read_func = NULL; 2.682 + } 2.683 + 2.684 +- buf += size; 2.685 +- len -= size; 2.686 ++ if (buf) 2.687 ++ buf += size; 2.688 ++ len -= size; /* len always >= 0 */ 2.689 + filepos += size; 2.690 + ret += size; 2.691 +- } 2.692 ++ } 2.693 + 2.694 + if (errnum) 2.695 +- ret = 0; 2.696 ++ ret = 0; 2.697 + 2.698 + return ret; 2.699 + } 2.700 +@@ -557,10 +846,10 @@ 2.701 + int desc; /* index within that group */ 2.702 + int ino_blk; /* fs pointer of the inode's information */ 2.703 + int str_chk = 0; /* used to hold the results of a string compare */ 2.704 +- struct ext2_group_desc *gdp; 2.705 ++ struct ext4_group_desc *ext4_gdp; 2.706 + struct ext2_inode *raw_inode; /* inode info corresponding to current_ino */ 2.707 + 2.708 +- char linkbuf[PATH_MAX]; /* buffer for following symbolic links */ 2.709 ++//char linkbuf[PATH_MAX]; /* buffer for following symbolic links */ 2.710 + int link_count = 0; 2.711 + 2.712 + char *rest; 2.713 +@@ -590,7 +879,7 @@ 2.714 + 2.715 + /* look up an inode */ 2.716 + group_id = (current_ino - 1) / (SUPERBLOCK->s_inodes_per_group); 2.717 +- group_desc = group_id >> log2 (EXT2_DESC_PER_BLOCK (SUPERBLOCK)); 2.718 ++ group_desc = group_id >> log2_tmp (EXT2_DESC_PER_BLOCK (SUPERBLOCK)); 2.719 + desc = group_id & (EXT2_DESC_PER_BLOCK (SUPERBLOCK) - 1); 2.720 + #ifdef E2DEBUG 2.721 + printf ("ipg=%d, dpb=%d\n", SUPERBLOCK->s_inodes_per_group, 2.722 +@@ -603,10 +892,17 @@ 2.723 + { 2.724 + return 0; 2.725 + } 2.726 +- gdp = GROUP_DESC; 2.727 +- ino_blk = gdp[desc].bg_inode_table + 2.728 ++ ext4_gdp = (struct ext4_group_desc *)( (__u8*)GROUP_DESC + 2.729 ++ desc * EXT2_DESC_SIZE(SUPERBLOCK)); 2.730 ++ if (EXT4_HAS_INCOMPAT_FEATURE(SUPERBLOCK, EXT4_FEATURE_INCOMPAT_64BIT) 2.731 ++ && (! ext4_gdp->bg_inode_table_hi)) 2.732 ++ {/* 64bit itable not supported */ 2.733 ++ errnum = ERR_FILELENGTH; 2.734 ++ return -1; 2.735 ++ } 2.736 ++ ino_blk = ext4_gdp->bg_inode_table + 2.737 + (((current_ino - 1) % (SUPERBLOCK->s_inodes_per_group)) 2.738 +- >> log2 (EXT2_INODES_PER_BLOCK (SUPERBLOCK))); 2.739 ++ >> log2_tmp (EXT2_INODES_PER_BLOCK (SUPERBLOCK))); 2.740 + #ifdef E2DEBUG 2.741 + printf ("inode table fsblock=%d\n", ino_blk); 2.742 + #endif /* E2DEBUG */ 2.743 +@@ -620,10 +916,10 @@ 2.744 + 2.745 + raw_inode = (struct ext2_inode *)((char *)INODE + 2.746 + ((current_ino - 1) & (EXT2_INODES_PER_BLOCK (SUPERBLOCK) - 1)) * 2.747 +- EXT2_INODE_SIZE (SUPERBLOCK)); 2.748 ++ EXT2_INODE_SIZE (SUPERBLOCK)); 2.749 + #ifdef E2DEBUG 2.750 + printf ("ipb=%d, sizeof(inode)=%d\n", 2.751 +- EXT2_INODES_PER_BLOCK (SUPERBLOCK), EXT2_INODE_SIZE (SUPERBLOCK)); 2.752 ++ EXT2_INODES_PER_BLOCK (SUPERBLOCK), EXT2_INODE_SIZE (SUPERBLOCK)); 2.753 + printf ("inode=%x, raw_inode=%x\n", INODE, raw_inode); 2.754 + printf ("offset into inode table block=%d\n", (int) raw_inode - (int) INODE); 2.755 + for (i = (unsigned char *) INODE; i <= (unsigned char *) raw_inode; 2.756 +@@ -661,13 +957,22 @@ 2.757 + } 2.758 + 2.759 + /* Find out how long our remaining name is. */ 2.760 +- len = 0; 2.761 +- while (dirname[len] && !isspace (dirname[len])) 2.762 +- len++; 2.763 ++ //len = 0; 2.764 ++ //while (dirname[len] && !isspace (dirname[len])) 2.765 ++ // len++; 2.766 ++ for (len = 0; (ch = dirname[len]) && !isspace (ch); len++) 2.767 ++ { 2.768 ++ if (ch == '\\') 2.769 ++ { 2.770 ++ len++; 2.771 ++ if (! (ch = dirname[len])) 2.772 ++ break; 2.773 ++ } 2.774 ++ } 2.775 + 2.776 + /* Get the symlink size. */ 2.777 + filemax = (INODE->i_size); 2.778 +- if (filemax + len > sizeof (linkbuf) - 2) 2.779 ++ if (filemax + len > PATH_MAX - 2) 2.780 + { 2.781 + errnum = ERR_FILELENGTH; 2.782 + return 0; 2.783 +@@ -681,18 +986,23 @@ 2.784 + } 2.785 + linkbuf[filemax + len] = '\0'; 2.786 + 2.787 +- /* Read the symlink data. */ 2.788 ++ /* Read the symlink data. 2.789 ++ * Slow symlink is extents enabled 2.790 ++ * But since grub_read invokes ext2fs_read, nothing to change here 2.791 ++ * */ 2.792 + if (! ext2_is_fast_symlink ()) 2.793 + { 2.794 + /* Read the necessary blocks, and reset the file pointer. */ 2.795 +- len = grub_read (linkbuf, filemax); 2.796 ++ len = grub_read (linkbuf, filemax, 0xedde0d90); 2.797 + filepos = 0; 2.798 + if (!len) 2.799 + return 0; 2.800 + } 2.801 + else 2.802 + { 2.803 +- /* Copy the data directly from the inode. */ 2.804 ++ /* Copy the data directly from the inode. 2.805 ++ * Fast symlink is not extents enabled 2.806 ++ * */ 2.807 + len = filemax; 2.808 + memmove (linkbuf, (char *) INODE->i_block, len); 2.809 + } 2.810 +@@ -726,6 +1036,13 @@ 2.811 + errnum = ERR_BAD_FILETYPE; 2.812 + return 0; 2.813 + } 2.814 ++ /* if file is too large, just stop and report an error*/ 2.815 ++ if ( (INODE->i_flags & EXT4_HUGE_FILE_FL) && !(INODE->i_size_high)) 2.816 ++ { 2.817 ++ /* file too large, stop reading */ 2.818 ++ errnum = ERR_FILELENGTH; 2.819 ++ return 0; 2.820 ++ } 2.821 + 2.822 + filemax = (INODE->i_size); 2.823 + return 1; 2.824 +@@ -746,8 +1063,17 @@ 2.825 + } 2.826 + 2.827 + /* skip to next slash or end of filename (space) */ 2.828 +- for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; 2.829 +- rest++); 2.830 ++// for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; 2.831 ++// rest++); 2.832 ++ for (rest = dirname; (ch = *rest) && !isspace (ch) && ch != '/'; rest++) 2.833 ++ { 2.834 ++ if (ch == '\\') 2.835 ++ { 2.836 ++ rest++; 2.837 ++ if (! (ch = *rest)) 2.838 ++ break; 2.839 ++ } 2.840 ++ } 2.841 + 2.842 + /* look through this directory and find the next filename component */ 2.843 + /* invariant: rest points to slash after the next filename component */ 2.844 +@@ -765,32 +1091,45 @@ 2.845 + give up */ 2.846 + if (loc >= INODE->i_size) 2.847 + { 2.848 ++# ifndef STAGE1_5 2.849 + if (print_possibilities < 0) 2.850 + { 2.851 + # if 0 2.852 + putchar ('\n'); 2.853 + # endif 2.854 ++ return 1; 2.855 + } 2.856 +- else 2.857 +- { 2.858 +- errnum = ERR_FILE_NOT_FOUND; 2.859 +- *rest = ch; 2.860 +- } 2.861 +- return (print_possibilities < 0); 2.862 ++# endif /* STAGE1_5 */ 2.863 ++ 2.864 ++ errnum = ERR_FILE_NOT_FOUND; 2.865 ++ *rest = ch; 2.866 ++ 2.867 ++ return 0; 2.868 + } 2.869 + 2.870 + /* else, find the (logical) block component of our location */ 2.871 ++ /* ext4 logical block number the same as ext2/3 */ 2.872 + blk = loc >> EXT2_BLOCK_SIZE_BITS (SUPERBLOCK); 2.873 + 2.874 + /* we know which logical block of the directory entry we are looking 2.875 + for, now we have to translate that to the physical (fs) block on 2.876 + the disk */ 2.877 ++ /* map extents enabled logical block number to physical fs on-dick block number */ 2.878 ++ if (EXT4_HAS_INCOMPAT_FEATURE(SUPERBLOCK,EXT4_FEATURE_INCOMPAT_EXTENTS) 2.879 ++ && INODE->i_flags & EXT4_EXTENTS_FL) 2.880 ++ map = ext4fs_block_map (blk); 2.881 ++ else 2.882 + map = ext2fs_block_map (blk); 2.883 + #ifdef E2DEBUG 2.884 + printf ("fs block=%d\n", map); 2.885 + #endif /* E2DEBUG */ 2.886 + mapblock2 = -1; 2.887 +- if ((map < 0) || !ext2_rdfsb (map, DATABLOCK2)) 2.888 ++ if (map < 0) 2.889 ++ { 2.890 ++ *rest = ch; 2.891 ++ return 0; 2.892 ++ } 2.893 ++ if (!ext2_rdfsb (map, DATABLOCK2)) 2.894 + { 2.895 + errnum = ERR_FSYS_CORRUPT; 2.896 + *rest = ch; 2.897 +@@ -811,22 +1150,36 @@ 2.898 + 2.899 + if (dp->inode) 2.900 + { 2.901 +- int saved_c = dp->name[dp->name_len]; 2.902 ++ //int saved_c = dp->name[dp->name_len]; 2.903 ++ int j, k; 2.904 ++ char ch1; 2.905 ++ char *tmp_name= NAME_BUF; /* EXT2_NAME_LEN is 255, so 512 byte buffer is needed. */ 2.906 + 2.907 +- dp->name[dp->name_len] = 0; 2.908 +- str_chk = substring (dirname, dp->name); 2.909 ++ /* copy dp->name to tmp_name, and quote the spaces with a '\\' */ 2.910 ++ for (j = 0, k = 0; j < dp->name_len; j++) 2.911 ++ { 2.912 ++ if (! (ch1 = dp->name[j])) 2.913 ++ break; 2.914 ++ if (ch1 == ' ') 2.915 ++ tmp_name[k++] = '\\'; 2.916 ++ tmp_name[k++] = ch1; 2.917 ++ } 2.918 ++ tmp_name[k] = 0; 2.919 + 2.920 ++ //dp->name[dp->name_len] = 0; 2.921 ++ str_chk = substring (dirname, tmp_name, 0); 2.922 ++ 2.923 + # ifndef STAGE1_5 2.924 + if (print_possibilities && ch != '/' 2.925 + && (!*dirname || str_chk <= 0)) 2.926 + { 2.927 + if (print_possibilities > 0) 2.928 + print_possibilities = -print_possibilities; 2.929 +- print_a_completion (dp->name); 2.930 ++ print_a_completion (tmp_name); 2.931 + } 2.932 + # endif 2.933 + 2.934 +- dp->name[dp->name_len] = saved_c; 2.935 ++ //dp->name[dp->name_len] = saved_c; 2.936 + } 2.937 + 2.938 + }
3.1 --- a/grub/stuff/ext3_256byte_inode.diff Mon Feb 26 19:03:16 2018 +0100 3.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 3.3 @@ -1,102 +0,0 @@ 3.4 - 3.5 -Patch from Red Hat. See #463236, #463123 (and #491076 for the reviewed version) 3.6 - 3.7 -diff -ur grub-0.97/stage2/fsys_ext2fs.c grub-0.97.new/stage2/fsys_ext2fs.c 3.8 ---- grub-0.97/stage2/fsys_ext2fs.c 2008-07-23 01:18:18.000000000 +0200 3.9 -+++ grub-0.97.new/stage2/fsys_ext2fs.c 2008-07-25 14:33:29.000000000 +0200 3.10 -@@ -79,7 +79,52 @@ 3.11 - __u32 s_rev_level; /* Revision level */ 3.12 - __u16 s_def_resuid; /* Default uid for reserved blocks */ 3.13 - __u16 s_def_resgid; /* Default gid for reserved blocks */ 3.14 -- __u32 s_reserved[235]; /* Padding to the end of the block */ 3.15 -+ /* 3.16 -+ * These fields are for EXT2_DYNAMIC_REV superblocks only. 3.17 -+ * 3.18 -+ * Note: the difference between the compatible feature set and 3.19 -+ * the incompatible feature set is that if there is a bit set 3.20 -+ * in the incompatible feature set that the kernel doesn't 3.21 -+ * know about, it should refuse to mount the filesystem. 3.22 -+ * 3.23 -+ * e2fsck's requirements are more strict; if it doesn't know 3.24 -+ * about a feature in either the compatible or incompatible 3.25 -+ * feature set, it must abort and not try to meddle with 3.26 -+ * things it doesn't understand... 3.27 -+ */ 3.28 -+ __u32 s_first_ino; /* First non-reserved inode */ 3.29 -+ __u16 s_inode_size; /* size of inode structure */ 3.30 -+ __u16 s_block_group_nr; /* block group # of this superblock */ 3.31 -+ __u32 s_feature_compat; /* compatible feature set */ 3.32 -+ __u32 s_feature_incompat; /* incompatible feature set */ 3.33 -+ __u32 s_feature_ro_compat; /* readonly-compatible feature set */ 3.34 -+ __u8 s_uuid[16]; /* 128-bit uuid for volume */ 3.35 -+ char s_volume_name[16]; /* volume name */ 3.36 -+ char s_last_mounted[64]; /* directory where last mounted */ 3.37 -+ __u32 s_algorithm_usage_bitmap; /* For compression */ 3.38 -+ /* 3.39 -+ * Performance hints. Directory preallocation should only 3.40 -+ * happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on. 3.41 -+ */ 3.42 -+ __u8 s_prealloc_blocks; /* Nr of blocks to try to preallocate*/ 3.43 -+ __u8 s_prealloc_dir_blocks; /* Nr to preallocate for dirs */ 3.44 -+ __u16 s_reserved_gdt_blocks;/* Per group table for online growth */ 3.45 -+ /* 3.46 -+ * Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set. 3.47 -+ */ 3.48 -+ __u8 s_journal_uuid[16]; /* uuid of journal superblock */ 3.49 -+ __u32 s_journal_inum; /* inode number of journal file */ 3.50 -+ __u32 s_journal_dev; /* device number of journal file */ 3.51 -+ __u32 s_last_orphan; /* start of list of inodes to delete */ 3.52 -+ __u32 s_hash_seed[4]; /* HTREE hash seed */ 3.53 -+ __u8 s_def_hash_version; /* Default hash version to use */ 3.54 -+ __u8 s_jnl_backup_type; /* Default type of journal backup */ 3.55 -+ __u16 s_reserved_word_pad; 3.56 -+ __u32 s_default_mount_opts; 3.57 -+ __u32 s_first_meta_bg; /* First metablock group */ 3.58 -+ __u32 s_mkfs_time; /* When the filesystem was created */ 3.59 -+ __u32 s_jnl_blocks[17]; /* Backup of the journal inode */ 3.60 -+ __u32 s_reserved[172]; /* Padding to the end of the block */ 3.61 - }; 3.62 - 3.63 - struct ext2_group_desc 3.64 -@@ -218,6 +263,14 @@ 3.65 - #define EXT2_ADDR_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s) / sizeof (__u32)) 3.66 - #define EXT2_ADDR_PER_BLOCK_BITS(s) (log2(EXT2_ADDR_PER_BLOCK(s))) 3.67 - 3.68 -+#define EXT2_GOOD_OLD_REV 0 /* The good old (original) format */ 3.69 -+#define EXT2_DYNAMIC_REV 1 /* V2 format w/ dynamic inode sizes */ 3.70 -+#define EXT2_GOOD_OLD_INODE_SIZE 128 3.71 -+#define EXT2_INODE_SIZE(s) (((s)->s_rev_level == EXT2_GOOD_OLD_REV) ? \ 3.72 -+ EXT2_GOOD_OLD_INODE_SIZE : \ 3.73 -+ (s)->s_inode_size) 3.74 -+#define EXT2_INODES_PER_BLOCK(s) (EXT2_BLOCK_SIZE(s)/EXT2_INODE_SIZE(s)) 3.75 -+ 3.76 - /* linux/ext2_fs.h */ 3.77 - #define EXT2_BLOCK_SIZE_BITS(s) ((s)->s_log_block_size + 10) 3.78 - /* kind of from ext2/super.c */ 3.79 -@@ -553,7 +606,7 @@ 3.80 - gdp = GROUP_DESC; 3.81 - ino_blk = gdp[desc].bg_inode_table + 3.82 - (((current_ino - 1) % (SUPERBLOCK->s_inodes_per_group)) 3.83 -- >> log2 (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode))); 3.84 -+ >> log2 (EXT2_INODES_PER_BLOCK (SUPERBLOCK))); 3.85 - #ifdef E2DEBUG 3.86 - printf ("inode table fsblock=%d\n", ino_blk); 3.87 - #endif /* E2DEBUG */ 3.88 -@@ -565,13 +618,12 @@ 3.89 - /* reset indirect blocks! */ 3.90 - mapblock2 = mapblock1 = -1; 3.91 - 3.92 -- raw_inode = INODE + 3.93 -- ((current_ino - 1) 3.94 -- & (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode) - 1)); 3.95 -+ raw_inode = (struct ext2_inode *)((char *)INODE + 3.96 -+ ((current_ino - 1) & (EXT2_INODES_PER_BLOCK (SUPERBLOCK) - 1)) * 3.97 -+ EXT2_INODE_SIZE (SUPERBLOCK)); 3.98 - #ifdef E2DEBUG 3.99 - printf ("ipb=%d, sizeof(inode)=%d\n", 3.100 -- (EXT2_BLOCK_SIZE (SUPERBLOCK) / sizeof (struct ext2_inode)), 3.101 -- sizeof (struct ext2_inode)); 3.102 -+ EXT2_INODES_PER_BLOCK (SUPERBLOCK), EXT2_INODE_SIZE (SUPERBLOCK)); 3.103 - printf ("inode=%x, raw_inode=%x\n", INODE, raw_inode); 3.104 - printf ("offset into inode table block=%d\n", (int) raw_inode - (int) INODE); 3.105 - for (i = (unsigned char *) INODE; i <= (unsigned char *) raw_inode;