Messages in this thread Patch in this message | | | From | "Uladzislau Rezki (Sony)" <> | Subject | [PATCH RESEND] ext4: Switch to kvfree_rcu() API | Date | Wed, 15 Dec 2021 12:18:39 +0100 |
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From: Uladzislau Rezki <uladzislau.rezki@sony.com>
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@mit.edu> TO: linux-ext4@vger.kernel.org Signed-off-by: Uladzislau Rezki <uladzislau.rezki@sony.com> --- 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
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