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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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Adapt ubifs header file in libubifs, compared with linux kernel
implementations:
1. New header file contains all definitions in common/ubifs.h
2. Remove some structures(eg. ubifs_mount_opts, bu_info) and
functions(eg. ubifs_sync_wbufs_by_inode, ubifs_jnl_XXX) which
won't be used in fsck/mkfs.
3. Modify some authentication related functions, keep functions
that mkfs may need, other functions are defined as empty.
4. Move ubifs message printing functions(ubifs_err/warn/msg) which
are originally defined in misc.c into ubifs.h.
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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