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Mon, 18 Jul 2022 01:10:58 -0700 (PDT) From: Guowei Du To: jaegeuk@kernel.org, chao@kernel.org Date: Mon, 18 Jul 2022 16:10:38 +0800 Message-Id: <20220718081038.2279-1-duguoweisz@gmail.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 X-Headers-End: 1oDLqK-002U7B-OC Subject: [f2fs-dev] [PATCH] f2fs: modify task name prefix X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, duguowei , linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: duguowei If there are more than one f2fs sbi, there will be more discard threads. But the comm is too long to show dev minor. So, change the default prefix of thread from "f2fs_discard" to "f2fs_dcd". Before: $ ps -e | grep f2fs 1628 ? 00:00:00 f2fs_ckpt-7:10 1629 ? 00:00:00 f2fs_flush-7:10 1630 ? 00:00:00 f2fs_discard-7: 1631 ? 00:00:00 f2fs_gc-7:10 2030 ? 00:00:00 f2fs_ckpt-7:27 2031 ? 00:00:00 f2fs_flush-7:27 2032 ? 00:00:00 f2fs_discard-7: 2033 ? 00:00:00 f2fs_gc-7:27 After: $ ps -e | grep f2fs 1628 ? 00:00:00 f2fs_ckpt-7:10 1629 ? 00:00:00 f2fs_flush-7:10 1630 ? 00:00:00 f2fs_dcd-7:10 1631 ? 00:00:00 f2fs_gc-7:10 2030 ? 00:00:00 f2fs_ckpt-7:27 2031 ? 00:00:00 f2fs_flush-7:27 2032 ? 00:00:00 f2fs_dcd-7:27 2033 ? 00:00:00 f2fs_gc-7:27 Signed-off-by: duguowei --- fs/f2fs/segment.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 874c1b9c41a2..2eeefcbe62db 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2018,7 +2018,7 @@ int f2fs_start_discard_thread(struct f2fs_sb_info *sbi) return 0; dcc->f2fs_issue_discard = kthread_run(issue_discard_thread, sbi, - "f2fs_discard-%u:%u", MAJOR(dev), MINOR(dev)); + "f2fs_dcd-%u:%u", MAJOR(dev), MINOR(dev)); if (IS_ERR(dcc->f2fs_issue_discard)) err = PTR_ERR(dcc->f2fs_issue_discard); -- 2.36.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel