diff options
Diffstat (limited to 'fsck/dump.c')
| -rw-r--r-- | fsck/dump.c | 161 |
1 files changed, 142 insertions, 19 deletions
diff --git a/fsck/dump.c b/fsck/dump.c index 4bb906f..3c4a8d1 100644 --- a/fsck/dump.c +++ b/fsck/dump.c @@ -11,6 +11,7 @@ #include <inttypes.h> #include "fsck.h" +#include <locale.h> #define BUF_SZ 80 @@ -298,13 +299,114 @@ void dump_node(struct f2fs_sb_info *sbi, nid_t nid) free(node_blk); } -int dump_inode_from_blkaddr(struct f2fs_sb_info *sbi, u32 blk_addr) +static void dump_node_from_blkaddr(u32 blk_addr) { - nid_t ino, nid; - int type, ret; - struct f2fs_summary sum_entry; - struct node_info ni; struct f2fs_node *node_blk; + int ret; + + node_blk = calloc(BLOCK_SZ, 1); + ASSERT(node_blk); + + ret = dev_read_block(node_blk, blk_addr); + ASSERT(ret >= 0); + + if (config.dbg_lv > 0) + print_node_info(node_blk); + else + print_inode_info(&node_blk->i, 1); + + free(node_blk); +} + +static void dump_data_offset(u32 blk_addr, int ofs_in_node) +{ + struct f2fs_node *node_blk; + unsigned int indirect_blks = 2 * NIDS_PER_BLOCK + 4; + unsigned int bidx = 0; + unsigned int node_ofs; + int ret; + + node_blk = calloc(BLOCK_SZ, 1); + ASSERT(node_blk); + + ret = dev_read_block(node_blk, blk_addr); + ASSERT(ret >= 0); + + node_ofs = ofs_of_node(node_blk); + + if (node_ofs == 0) + goto got_it; + + if (node_ofs > 0 && node_ofs <= 2) { + bidx = node_ofs - 1; + } else if (node_ofs <= indirect_blks) { + int dec = (node_ofs - 4) / (NIDS_PER_BLOCK + 1); + bidx = node_ofs - 2 - dec; + } else { + int dec = (node_ofs - indirect_blks - 3) / (NIDS_PER_BLOCK + 1); + bidx = node_ofs - 5 - dec; + } + bidx = bidx * ADDRS_PER_BLOCK + ADDRS_PER_INODE(&node_blk->i); +got_it: + bidx += ofs_in_node; + + setlocale(LC_ALL, ""); + MSG(0, " - Data offset : 0x%x (4KB), %'u (bytes)\n", + bidx, bidx * 4096); + free(node_blk); +} + +static void dump_node_offset(u32 blk_addr) +{ + struct f2fs_node *node_blk; + int ret; + + node_blk = calloc(BLOCK_SZ, 1); + ASSERT(node_blk); + + ret = dev_read_block(node_blk, blk_addr); + ASSERT(ret >= 0); + + MSG(0, " - Node offset : 0x%x\n", ofs_of_node(node_blk)); + free(node_blk); +} + +int dump_info_from_blkaddr(struct f2fs_sb_info *sbi, u32 blk_addr) +{ + nid_t nid; + int type; + struct f2fs_summary sum_entry; + struct node_info ni, ino_ni; + int ret = 0; + + MSG(0, "\n== Dump data from block address ==\n\n"); + + if (blk_addr < SM_I(sbi)->seg0_blkaddr) { + MSG(0, "\nFS Reserved Area for SEG #0: "); + ret = -EINVAL; + } else if (blk_addr < SIT_I(sbi)->sit_base_addr) { + MSG(0, "\nFS Metadata Area: "); + ret = -EINVAL; + } else if (blk_addr < NM_I(sbi)->nat_blkaddr) { + MSG(0, "\nFS SIT Area: "); + ret = -EINVAL; + } else if (blk_addr < SM_I(sbi)->ssa_blkaddr) { + MSG(0, "\nFS NAT Area: "); + ret = -EINVAL; + } else if (blk_addr < SM_I(sbi)->main_blkaddr) { + MSG(0, "\nFS SSA Area: "); + ret = -EINVAL; + } else if (blk_addr > __end_block_addr(sbi)) { + MSG(0, "\nOut of address space: "); + ret = -EINVAL; + } + + if (ret) { + MSG(0, "User data is from 0x%x to 0x%x\n\n", + SM_I(sbi)->main_blkaddr, + __end_block_addr(sbi)); + return ret; + } type = get_sum_entry(sbi, blk_addr, &sum_entry); nid = le32_to_cpu(sum_entry.nid); @@ -318,26 +420,47 @@ int dump_inode_from_blkaddr(struct f2fs_sb_info *sbi, u32 blk_addr) DBG(1, "SUM.nid [0x%x]\n", nid); DBG(1, "SUM.type [%s]\n", seg_type_name[type]); DBG(1, "SUM.version [%d]\n", sum_entry.version); - DBG(1, "SUM.ofs_in_node [%d]\n", sum_entry.ofs_in_node); + DBG(1, "SUM.ofs_in_node [0x%x]\n", sum_entry.ofs_in_node); DBG(1, "NAT.blkaddr [0x%x]\n", ni.blk_addr); DBG(1, "NAT.ino [0x%x]\n", ni.ino); - node_blk = calloc(BLOCK_SZ, 1); - -read_node_blk: - ret = dev_read_block(node_blk, blk_addr); - ASSERT(ret >= 0); + get_node_info(sbi, ni.ino, &ino_ni); - ino = le32_to_cpu(node_blk->footer.ino); - nid = le32_to_cpu(node_blk->footer.nid); + /* inode block address */ + if (ni.blk_addr == NULL_ADDR || ino_ni.blk_addr == NULL_ADDR) { + MSG(0, "FS Userdata Area: Obsolete block from 0x%x\n", + blk_addr); + return -EINVAL; + } - if (ino == nid) { - print_node_info(node_blk); + /* print inode */ + if (config.dbg_lv > 0) + dump_node_from_blkaddr(ino_ni.blk_addr); + + if (type == SEG_TYPE_CUR_DATA || type == SEG_TYPE_DATA) { + MSG(0, "FS Userdata Area: Data block from 0x%x\n", blk_addr); + MSG(0, " - Direct node block : id = 0x%x from 0x%x\n", + nid, ni.blk_addr); + MSG(0, " - Inode block : id = 0x%x from 0x%x\n", + ni.ino, ino_ni.blk_addr); + dump_node_from_blkaddr(ino_ni.blk_addr); + dump_data_offset(ni.blk_addr, + le16_to_cpu(sum_entry.ofs_in_node)); } else { - get_node_info(sbi, ino, &ni); - goto read_node_blk; + MSG(0, "FS Userdata Area: Node block from 0x%x\n", blk_addr); + if (ni.ino == ni.nid) { + MSG(0, " - Inode block : id = 0x%x from 0x%x\n", + ni.ino, ino_ni.blk_addr); + dump_node_from_blkaddr(ino_ni.blk_addr); + } else { + MSG(0, " - Node block : id = 0x%x from 0x%x\n", + nid, ni.blk_addr); + MSG(0, " - Inode block : id = 0x%x from 0x%x\n", + ni.ino, ino_ni.blk_addr); + dump_node_from_blkaddr(ino_ni.blk_addr); + dump_node_offset(ni.blk_addr); + } } - free(node_blk); - return ino; + return 0; } |