On 2019/8/16 9:06, Jaegeuk Kim wrote:
> On 08/12, Chao Yu wrote:
>> We should always set c.bug_on whenever found a bug, then fix them
>> if c.fix_on is on, otherwise, some bugs won't be shown unless we
>> enable debug log.
>>
>> Signed-off-by: Chao Yu <[email protected]>
>> ---
>> fsck/fsck.c | 137 +++++++++++++++++++++++++++++++---------------------
>> 1 file changed, 83 insertions(+), 54 deletions(-)
>>
>> diff --git a/fsck/fsck.c b/fsck/fsck.c
>> index 7eb599d..91ddd49 100644
>> --- a/fsck/fsck.c
>> +++ b/fsck/fsck.c
>> @@ -712,12 +712,13 @@ void fsck_chk_inode_blk(struct f2fs_sb_info *sbi, u32
>> nid,
>> fsck_reada_node_block(sbi, le32_to_cpu(node_blk->i.i_xattr_nid));
>>
>> if (fsck_chk_xattr_blk(sbi, nid,
>> - le32_to_cpu(node_blk->i.i_xattr_nid), blk_cnt) &&
>> - c.fix_on) {
>> - node_blk->i.i_xattr_nid = 0;
>> - need_fix = 1;
>> - FIX_MSG("Remove xattr block: 0x%x, x_nid = 0x%x",
>> - nid, le32_to_cpu(node_blk->i.i_xattr_nid));
>> + le32_to_cpu(node_blk->i.i_xattr_nid), blk_cnt)) {
>> + if (c.fix_on) {
>> + node_blk->i.i_xattr_nid = 0;
>> + need_fix = 1;
>> + FIX_MSG("Remove xattr block: 0x%x, x_nid = 0x%x",
>> + nid,
>> le32_to_cpu(node_blk->i.i_xattr_nid));
>> + }
>
> Why do we need this change?
Actually, it's not necessary, but just cleanup to keep the same style. :P
Thanks,
>
>> }
>>
>> if (ftype == F2FS_FT_CHRDEV || ftype == F2FS_FT_BLKDEV ||
>> @@ -730,24 +731,32 @@ void fsck_chk_inode_blk(struct f2fs_sb_info *sbi, u32
>> nid,
>>
>> if (f2fs_has_extra_isize(&node_blk->i)) {
>> if (c.feature & cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR)) {
>> - if (node_blk->i.i_extra_isize >
>> - cpu_to_le16(F2FS_TOTAL_EXTRA_ATTR_SIZE)) {
>> - FIX_MSG("ino[0x%x] recover i_extra_isize "
>> - "from %u to %u",
>> - nid,
>> - le16_to_cpu(node_blk->i.i_extra_isize),
>> - calc_extra_isize());
>> - node_blk->i.i_extra_isize =
>> - cpu_to_le16(calc_extra_isize());
>> - need_fix = 1;
>> + unsigned int isize =
>> + le16_to_cpu(node_blk->i.i_extra_isize);
>> +
>> + if (isize > F2FS_TOTAL_EXTRA_ATTR_SIZE) {
>> + ASSERT_MSG("[0x%x] wrong i_extra_isize=0x%x",
>> + nid, isize);
>> + if (c.fix_on) {
>> + FIX_MSG("ino[0x%x] recover
>> i_extra_isize "
>> + "from %u to %u",
>> + nid, isize,
>> + calc_extra_isize());
>> + node_blk->i.i_extra_isize =
>> + cpu_to_le16(calc_extra_isize());
>> + need_fix = 1;
>> + }
>> }
>> } else {
>> - FIX_MSG("ino[0x%x] remove F2FS_EXTRA_ATTR "
>> - "flag in i_inline:%u",
>> - nid, node_blk->i.i_inline);
>> - /* we don't support tuning F2FS_FEATURE_EXTRA_ATTR now
>> */
>> - node_blk->i.i_inline &= ~F2FS_EXTRA_ATTR;
>> - need_fix = 1;
>> + ASSERT_MSG("[0x%x] wrong extra_attr flag", nid);
>> + if (c.fix_on) {
>> + FIX_MSG("ino[0x%x] remove F2FS_EXTRA_ATTR "
>> + "flag in i_inline:%u",
>> + nid, node_blk->i.i_inline);
>> + /* we don't support tuning
>> F2FS_FEATURE_EXTRA_ATTR now */
>> + node_blk->i.i_inline &= ~F2FS_EXTRA_ATTR;
>> + need_fix = 1;
>> + }
>> }
>>
>> if ((c.feature &
>> @@ -758,13 +767,17 @@ void fsck_chk_inode_blk(struct f2fs_sb_info *sbi, u32
>> nid,
>>
>> if (!inline_size ||
>> inline_size > MAX_INLINE_XATTR_SIZE) {
>> - FIX_MSG("ino[0x%x] recover inline xattr size "
>> - "from %u to %u",
>> - nid, inline_size,
>> - DEFAULT_INLINE_XATTR_ADDRS);
>> - node_blk->i.i_inline_xattr_size =
>> - cpu_to_le16(DEFAULT_INLINE_XATTR_ADDRS);
>> - need_fix = 1;
>> + ASSERT_MSG("[0x%x] wrong inline_xattr_size:%u",
>> + nid, inline_size);
>> + if (c.fix_on) {
>> + FIX_MSG("ino[0x%x] recover inline xattr
>> size "
>> + "from %u to %u",
>> + nid, inline_size,
>> + DEFAULT_INLINE_XATTR_ADDRS);
>> + node_blk->i.i_inline_xattr_size =
>> +
>> cpu_to_le16(DEFAULT_INLINE_XATTR_ADDRS);
>> + need_fix = 1;
>> + }
>> }
>> }
>> }
>> @@ -772,20 +785,28 @@ void fsck_chk_inode_blk(struct f2fs_sb_info *sbi, u32
>> nid,
>>
>> if ((node_blk->i.i_inline & F2FS_INLINE_DATA)) {
>> unsigned int inline_size = MAX_INLINE_DATA(node_blk);
>> + block_t blkaddr = le32_to_cpu(node_blk->i.i_addr[ofs]);
>>
>> - if (le32_to_cpu(node_blk->i.i_addr[ofs]) != 0) {
>> - /* should fix this bug all the time */
>> - FIX_MSG("inline_data has wrong 0'th block = %x",
>> - le32_to_cpu(node_blk->i.i_addr[ofs]));
>> - node_blk->i.i_addr[ofs] = 0;
>> - node_blk->i.i_blocks = cpu_to_le64(*blk_cnt);
>> - need_fix = 1;
>> + if (blkaddr != 0) {
>> + ASSERT_MSG("[0x%x] wrong inline reserve blkaddr:%u",
>> + nid, blkaddr);
>> + if (c.fix_on) {
>> + FIX_MSG("inline_data has wrong 0'th block = %x",
>> + blkaddr);
>> + node_blk->i.i_addr[ofs] = 0;
>> + node_blk->i.i_blocks = cpu_to_le64(*blk_cnt);
>> + need_fix = 1;
>> + }
>> }
>> if (!i_size || i_size > inline_size) {
>> - node_blk->i.i_size = cpu_to_le64(inline_size);
>> - FIX_MSG("inline_data has wrong i_size %lu",
>> - (unsigned long)i_size);
>> - need_fix = 1;
>> + ASSERT_MSG("[0x%x] wrong inline size:%lu",
>> + nid, (unsigned long)i_size);
>> + if (c.fix_on) {
>> + node_blk->i.i_size = cpu_to_le64(inline_size);
>> + FIX_MSG("inline_data has wrong i_size %lu",
>> + (unsigned long)i_size);
>> + need_fix = 1;
>> + }
>> }
>> if (!(node_blk->i.i_inline & F2FS_DATA_EXIST)) {
>> char buf[MAX_INLINE_DATA(node_blk)];
>> @@ -793,9 +814,12 @@ void fsck_chk_inode_blk(struct f2fs_sb_info *sbi, u32
>> nid,
>>
>> if (memcmp(buf, inline_data_addr(node_blk),
>> MAX_INLINE_DATA(node_blk))) {
>> - FIX_MSG("inline_data has DATA_EXIST");
>> - node_blk->i.i_inline |= F2FS_DATA_EXIST;
>> - need_fix = 1;
>> + ASSERT_MSG("[0x%x] junk inline data", nid);
>> + if (c.fix_on) {
>> + FIX_MSG("inline_data has DATA_EXIST");
>> + node_blk->i.i_inline |= F2FS_DATA_EXIST;
>> + need_fix = 1;
>> + }
>> }
>> }
>> DBG(3, "ino[0x%x] has inline data!\n", nid);
>> @@ -804,20 +828,25 @@ void fsck_chk_inode_blk(struct f2fs_sb_info *sbi, u32
>> nid,
>> }
>>
>> if ((node_blk->i.i_inline & F2FS_INLINE_DENTRY)) {
>> + block_t blkaddr = le32_to_cpu(node_blk->i.i_addr[ofs]);
>> +
>> DBG(3, "ino[0x%x] has inline dentry!\n", nid);
>> - if (le32_to_cpu(node_blk->i.i_addr[ofs]) != 0) {
>> - /* should fix this bug all the time */
>> - FIX_MSG("inline_dentry has wrong 0'th block = %x",
>> - le32_to_cpu(node_blk->i.i_addr[ofs]));
>> - node_blk->i.i_addr[ofs] = 0;
>> - node_blk->i.i_blocks = cpu_to_le64(*blk_cnt);
>> - need_fix = 1;
>> + if (blkaddr != 0) {
>> + ASSERT_MSG("[0x%x] wrong inline reserve blkaddr:%u",
>> + nid, blkaddr);
>> + if (c.fix_on) {
>> + FIX_MSG("inline_dentry has wrong 0'th block =
>> %x",
>> + blkaddr);
>> + node_blk->i.i_addr[ofs] = 0;
>> + node_blk->i.i_blocks = cpu_to_le64(*blk_cnt);
>> + need_fix = 1;
>> + }
>> }
>>
>> ret = fsck_chk_inline_dentries(sbi, node_blk, &child);
>> if (ret < 0) {
>> - /* should fix this bug all the time */
>> - need_fix = 1;
>> + if (c.fix_on)
>> + need_fix = 1;
>> }
>> child.state |= FSCK_INLINE_INODE;
>> goto check;
>> @@ -999,7 +1028,7 @@ skip_blkcnt_fix:
>> free(en);
>>
>> if (ftype == F2FS_FT_SYMLINK && i_blocks && i_size == 0) {
>> - DBG(1, "ino: 0x%x i_blocks: %lu with zero i_size",
>> + ASSERT_MSG("ino: 0x%x i_blocks: %lu with zero i_size\n",
>> nid, (unsigned long)i_blocks);
>> if (c.fix_on) {
>> u64 i_size = i_blocks * F2FS_BLKSIZE;
>> @@ -1012,7 +1041,7 @@ skip_blkcnt_fix:
>> }
>>
>> if (ftype == F2FS_FT_ORPHAN && i_links) {
>> - MSG(0, "ino: 0x%x is orphan inode, but has i_links: %u",
>> + ASSERT_MSG("ino: 0x%x is orphan inode, but has i_links: %u",
>> nid, i_links);
>> if (c.fix_on) {
>> node_blk->i.i_links = 0;
>> --
>> 2.18.0.rc1
> .
>
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