On Tue 04-07-23 21:42:24, Zhang Yi wrote: > From: Zhang Yi <yi.zhang@xxxxxxxxxx> > > Since load_superblock() has been moved to journal_init_common(), the > in-memory superblock structure is initialized and contains valid data > once the file system has a journal_t object, so it's safe to access it, > let's drop the call to journal_get_superblock() from > jbd2_journal_check_used_features() and also drop the setting/clearing of > the veirfy bit of the superblock buffer. > > Signed-off-by: Zhang Yi <yi.zhang@xxxxxxxxxx> Looks good. Feel free to add: Reviewed-by: Jan Kara <jack@xxxxxxx> Honza > --- > fs/jbd2/journal.c | 5 ----- > 1 file changed, 5 deletions(-) > > diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c > index b247d374e7a6..c7cdb434966f 100644 > --- a/fs/jbd2/journal.c > +++ b/fs/jbd2/journal.c > @@ -1361,8 +1361,6 @@ static int journal_get_superblock(journal_t *journal) > bh = journal->j_sb_buffer; > > J_ASSERT(bh != NULL); > - if (buffer_verified(bh)) > - return 0; > > err = bh_read(bh, 0); > if (err < 0) { > @@ -1437,7 +1435,6 @@ static int journal_get_superblock(journal_t *journal) > goto out; > } > } > - set_buffer_verified(bh); > return 0; > > out: > @@ -2224,8 +2221,6 @@ int jbd2_journal_check_used_features(journal_t *journal, unsigned long compat, > > if (!compat && !ro && !incompat) > return 1; > - if (journal_get_superblock(journal)) > - return 0; > if (!jbd2_format_support_feature(journal)) > return 0; > > -- > 2.39.2 > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR