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https://gitee.com/openharmony/third_party_f2fs-tools
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f056fbeff0
beroal reported a mount failure due to broken valid_user_blocks.
[ 6890.647749] F2FS-fs (loop0): Wrong valid_user_blocks: 16040048,
user_block_count: 10016768
From fsck,
segment_count_main [0x 9a95 : 39573]
-> 39573 * 2MB = 78GB as user space
overprov_segment_count [0x 4e29 : 20009]
-> 20009 * 2MB = 40GB as overprovisioned space which user can't see.
But,
[FSCK] valid_block_count matching with CP [Ok..] [0xf4c070]
-> 0xf4c070 = 16040048
valid_block_count [0x f4c070 : 16040048]
-> So, this is correct.
It turns out resize.f2fs gave very large and wrong overprovisioning space
result in shortage of user blocks. The root cause was f2fs_get_usable_segments()
didn't consider resize case which needs segment_count_main from new superblock.
Fixes:
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.. | ||
libf2fs_io.c | ||
libf2fs_zoned.c | ||
libf2fs.c | ||
Makefile.am | ||
nls_utf8.c | ||
utf8data.h |