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This is the 6/12 step of rebuilding. Correct the file information.
Traverse all files and calculate information (nlink, size, xattr_cnt,
etc.) for each file just like check_leaf() does, correct inode node
based on the calculated information.
Now, all files are consistent, and UBIFS will pass chk_fs after mounting.
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Add parsing functions for each type of nodes, which will be used for
checking the validity of raw node data while reading from TNC or
scanning from UBIFS logical erase block.
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Adapt debug subsystem(debug.c, debug.h) in libubifs, compared with
linux kernel implementations:
1. Only keep the disk data and space statistics dumping implementations,
dbg_walk_index and add_size which are used by fsck, other debuging
related implementations and sysfs interfaces are removed, because
fsck will check fs in another way.
2. Change the behavior of ubifs_assert_failed(), make filesystem
readonly when assertion is failed.
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Import UBIFS libs from linux kernel. Next patches will replace ubifs
related source code with implementation of linux kernel, which makes
userspace implementation be same with linux kernel, then fsck.ubifs
can resuse the code.
Notice: lpt.c is modified with [1] applied. ubifs.h and orphan.c are
modified with [2] applied, journal.c is modified with [3] reverted(
because fsck runs in a single thread, so waitqueue is not needed to
be implemented in userspace.).
[1] https://lore.kernel.org/linux-mtd/20231228014112.2836317-13-chengzhihao1@huawei.com/
[2] https://lore.kernel.org/linux-mtd/20240410073751.2522830-1-chengzhihao1@huawei.com/
[3] https://lore.kernel.org/linux-mtd/20240122063103.359501-1-chengzhihao1@huawei.com/
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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