Messages in this thread | | | Date | Tue, 23 Aug 2022 19:26:50 -0700 | From | Jaegeuk Kim <> | Subject | Re: [PATCH] f2fs: increase the limit for reserve_root |
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On 08/23, Jaegeuk Kim wrote: > This patch increases the threshold that limits the reserved root space from 0.2% > to 12.5% by using simple shift operation. > > Typically Android sets 128MB, but if the storage capacity is 32GB, 0.2% which is > around 64MB becomes too small. Let's relax it. >
Added:
Reported-by: Aran Dalton <arda@allwinnertech.com>
Thanks,
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> > --- > fs/f2fs/super.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c > index 09972b709cdd..d1b4de5b4083 100644 > --- a/fs/f2fs/super.c > +++ b/fs/f2fs/super.c > @@ -301,10 +301,10 @@ static void f2fs_destroy_casefold_cache(void) { } > > static inline void limit_reserve_root(struct f2fs_sb_info *sbi) > { > - block_t limit = min((sbi->user_block_count << 1) / 1000, > + block_t limit = min((sbi->user_block_count >> 3), > sbi->user_block_count - sbi->reserved_blocks); > > - /* limit is 0.2% */ > + /* limit is 12.5% */ > if (test_opt(sbi, RESERVE_ROOT) && > F2FS_OPTION(sbi).root_reserved_blocks > limit) { > F2FS_OPTION(sbi).root_reserved_blocks = limit; > -- > 2.37.1.595.g718a3a8f04-goog
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