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[35.188.239.129]) by smtp.gmail.com with ESMTPSA id v125-20020a379383000000b007458ae32290sm4113974qkd.128.2023.03.15.11.19.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Mar 2023 11:19:31 -0700 (PDT) From: "Joel Fernandes (Google)" To: "Theodore Ts'o" , Andreas Dilger Cc: "Uladzislau Rezki (Sony)" , Lukas Czerner , "Paul E . McKenney" , Joel Fernandes , linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 07/14] ext4/super: Rename kfree_rcu() to kfree_rcu_mightsleep() Date: Wed, 15 Mar 2023 18:18:54 +0000 Message-Id: <20230315181902.4177819-7-joel@joelfernandes.org> X-Mailer: git-send-email 2.40.0.rc1.284.g88254d51c5-goog In-Reply-To: <20230315181902.4177819-1-joel@joelfernandes.org> References: <20230315181902.4177819-1-joel@joelfernandes.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760459460647823099?= X-GMAIL-MSGID: =?utf-8?q?1760459460647823099?= From: "Uladzislau Rezki (Sony)" The kfree_rcu() and kvfree_rcu() macros' single-argument forms are deprecated. Therefore switch to the new kfree_rcu_mightsleep() and kvfree_rcu_mightsleep() variants. The goal is to avoid accidental use of the single-argument forms, which can introduce functionality bugs in atomic contexts and latency bugs in non-atomic contexts. Cc: Theodore Ts'o Cc: Lukas Czerner Signed-off-by: Uladzislau Rezki (Sony) Signed-off-by: Paul E. McKenney Signed-off-by: Joel Fernandes (Google) Acked-by: Theodore Ts'o --- fs/ext4/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 88f7b8a88c76..405a66b47311 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2500,7 +2500,7 @@ static void ext4_apply_quota_options(struct fs_context *fc, qname = rcu_replace_pointer(sbi->s_qf_names[i], qname, lockdep_is_held(&sb->s_umount)); if (qname) - kfree_rcu(qname); + kfree_rcu_mightsleep(qname); } }