On Wed, Dec 15, 2021 at 12:18:39PM +0100, Uladzislau Rezki (Sony) wrote: > From: Uladzislau Rezki <uladzislau.rezki@xxxxxxxx> > > Instead of invoking a synchronize_rcu() to free a pointer > after a grace period we can directly make use of new API > that does the same but in more efficient way. > > TO: "Theodore Ts'o" <tytso@xxxxxxx> > TO: linux-ext4@xxxxxxxxxxxxxxx > Signed-off-by: Uladzislau Rezki <uladzislau.rezki@xxxxxxxx> > --- > fs/ext4/super.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/fs/ext4/super.c b/fs/ext4/super.c > index 4e33b5eca694..111b0498a232 100644 > --- a/fs/ext4/super.c > +++ b/fs/ext4/super.c > @@ -1886,8 +1886,7 @@ static int clear_qf_name(struct super_block *sb, int qtype) > return -1; > } > rcu_assign_pointer(sbi->s_qf_names[qtype], NULL); > - synchronize_rcu(); > - kfree(old_qname); > + kvfree_rcu(old_qname); > return 1; > } > #endif > -- > 2.30.2 > + "Theodore Ts'o" <tytso@xxxxxxx> + linux-ext4@xxxxxxxxxxxxxxx -- Vlad Rezki