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Date: Wed, 21 Sep 2022 18:38:50 +0200 From: Damien Guibouret <damien.guibouret@...tition-saving.com> To: Jan Kara <jack@...e.cz>, Ye Bin <yebin10@...wei.com> Cc: tytso@....edu, adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH -next v2 3/3] ext4: update 'state->fc_regions_size' after successful memory allocation Hello, That's fine for me. Regards, Damien Le 21/09/2022 à 13:32, Jan Kara a écrit : > On Wed 21-09-22 14:40:40, Ye Bin wrote: >> To avoid to 'state->fc_regions_size' mismatch with 'state->fc_regions' >> when fail to reallocate 'fc_reqions',only update 'state->fc_regions_size' >> after 'state->fc_regions' is allocated successfully. >> >> Signed-off-by: Ye Bin <yebin10@...wei.com> > > Looks good. Feel free to add: > > Reviewed-by: Jan Kara <jack@...e.cz> > > Honza > >> --- >> fs/ext4/fast_commit.c | 9 +++++---- >> 1 file changed, 5 insertions(+), 4 deletions(-) >> >> diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c >> index f5b0fc50ed47..694ab0627395 100644 >> --- a/fs/ext4/fast_commit.c >> +++ b/fs/ext4/fast_commit.c >> @@ -1681,14 +1681,15 @@ int ext4_fc_record_regions(struct super_block *sb, int ino, >> if (state->fc_regions_used == state->fc_regions_size) { >> struct ext4_fc_alloc_region *fc_regions; >> >> - state->fc_regions_size += >> - EXT4_FC_REPLAY_REALLOC_INCREMENT; >> fc_regions = krealloc(state->fc_regions, >> - state->fc_regions_size * >> - sizeof(struct ext4_fc_alloc_region), >> + sizeof(struct ext4_fc_alloc_region) * >> + (state->fc_regions_size + >> + EXT4_FC_REPLAY_REALLOC_INCREMENT), >> GFP_KERNEL); >> if (!fc_regions) >> return -ENOMEM; >> + state->fc_regions_size += >> + EXT4_FC_REPLAY_REALLOC_INCREMENT; >> state->fc_regions = fc_regions; >> } >> region = &state->fc_regions[state->fc_regions_used++]; >> -- >> 2.31.1 >>
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