Re: [PATCH v3 2/4] f2fs: Fix root reserved on remount

2019-06-03 Thread Chao Yu
On 2019/5/30 8:49, Daniel Rosenberg wrote: > On a remount, you can currently set root reserved if it was not > previously set. This can cause an underflow if reserved has been set to > a very high value, since then root reserved + current reserved could be > greater than user_block_count. inc_valid

[PATCH v3 2/4] f2fs: Fix root reserved on remount

2019-05-29 Thread Daniel Rosenberg
On a remount, you can currently set root reserved if it was not previously set. This can cause an underflow if reserved has been set to a very high value, since then root reserved + current reserved could be greater than user_block_count. inc_valid_block_count later subtracts out these values from