On 2021/6/30 19:37, Sun Ke wrote:
It fail on f2fs:
[+] Default length with start set (should succeed)
[+] Length beyond the end of fs (should succeed)
[+] Length beyond the end of fs with start set (should succeed)
+After the full fs discard 0 bytes were discarded however the file system is
12882804736 bytes long.
+It seems that fs logic handling len argument overflows
The root cause is f2fs can tag a special flag TRIMMED_FLAG to indicate
the whole filesystem is trimmed, so after mkfs/fstrim(), following
fstrim() won't trim any block.
Suggested-by: Chao Yu <[email protected]>
Signed-off-by: Sun Ke <[email protected]>
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Reviewed-by: Chao Yu <[email protected]>
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