From: Gao Xiang <hsiangkao@linux.alibaba.com> To: Jaegeuk Kim <jaegeuk@kernel.org>, Chao Yu <chao@kernel.org> Cc: linux-f2fs-devel@lists.sourceforge.net, LKML <linux-kernel@vger.kernel.org>, Gao Xiang <hsiangkao@linux.alibaba.com> Subject: [PATCH] f2fs: fix up f2fs_lookup tracepoints Date: Tue, 21 Sep 2021 22:37:30 +0800 [thread overview] Message-ID: <20210921143730.82649-1-hsiangkao@linux.alibaba.com> (raw) Fix up a misuse that the filename pointer isn't always valid in the ring buffer, and we should copy the content instead. Fixes: 0c5e36db17f5 ("f2fs: trace f2fs_lookup") Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com> --- include/trace/events/f2fs.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 4e881d9..4cb055a 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -807,20 +807,20 @@ TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) - __field(const char *, name) + __string(name, dentry->d_name.name) __field(unsigned int, flags) ), TP_fast_assign( __entry->dev = dir->i_sb->s_dev; __entry->ino = dir->i_ino; - __entry->name = dentry->d_name.name; + __assign_str(name, dentry->d_name.name); __entry->flags = flags; ), TP_printk("dev = (%d,%d), pino = %lu, name:%s, flags:%u", show_dev_ino(__entry), - __entry->name, + __get_str(name), __entry->flags) ); @@ -834,7 +834,7 @@ TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) - __field(const char *, name) + __string(name, dentry->d_name.name) __field(nid_t, cino) __field(int, err) ), @@ -842,14 +842,14 @@ TP_fast_assign( __entry->dev = dir->i_sb->s_dev; __entry->ino = dir->i_ino; - __entry->name = dentry->d_name.name; + __assign_str(name, dentry->d_name.name); __entry->cino = ino; __entry->err = err; ), TP_printk("dev = (%d,%d), pino = %lu, name:%s, ino:%u, err:%d", show_dev_ino(__entry), - __entry->name, + __get_str(name), __entry->cino, __entry->err) ); -- 1.8.3.1
WARNING: multiple messages have this Message-ID (diff)
From: Gao Xiang <hsiangkao@linux.alibaba.com> To: Jaegeuk Kim <jaegeuk@kernel.org>, Chao Yu <chao@kernel.org> Cc: Gao Xiang <hsiangkao@linux.alibaba.com>, LKML <linux-kernel@vger.kernel.org>, linux-f2fs-devel@lists.sourceforge.net Subject: [f2fs-dev] [PATCH] f2fs: fix up f2fs_lookup tracepoints Date: Tue, 21 Sep 2021 22:37:30 +0800 [thread overview] Message-ID: <20210921143730.82649-1-hsiangkao@linux.alibaba.com> (raw) Fix up a misuse that the filename pointer isn't always valid in the ring buffer, and we should copy the content instead. Fixes: 0c5e36db17f5 ("f2fs: trace f2fs_lookup") Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com> --- include/trace/events/f2fs.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 4e881d9..4cb055a 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -807,20 +807,20 @@ TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) - __field(const char *, name) + __string(name, dentry->d_name.name) __field(unsigned int, flags) ), TP_fast_assign( __entry->dev = dir->i_sb->s_dev; __entry->ino = dir->i_ino; - __entry->name = dentry->d_name.name; + __assign_str(name, dentry->d_name.name); __entry->flags = flags; ), TP_printk("dev = (%d,%d), pino = %lu, name:%s, flags:%u", show_dev_ino(__entry), - __entry->name, + __get_str(name), __entry->flags) ); @@ -834,7 +834,7 @@ TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) - __field(const char *, name) + __string(name, dentry->d_name.name) __field(nid_t, cino) __field(int, err) ), @@ -842,14 +842,14 @@ TP_fast_assign( __entry->dev = dir->i_sb->s_dev; __entry->ino = dir->i_ino; - __entry->name = dentry->d_name.name; + __assign_str(name, dentry->d_name.name); __entry->cino = ino; __entry->err = err; ), TP_printk("dev = (%d,%d), pino = %lu, name:%s, ino:%u, err:%d", show_dev_ino(__entry), - __entry->name, + __get_str(name), __entry->cino, __entry->err) ); -- 1.8.3.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
next reply other threads:[~2021-09-21 14:37 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-21 14:37 Gao Xiang [this message] 2021-09-21 14:37 ` [f2fs-dev] [PATCH] f2fs: fix up f2fs_lookup tracepoints Gao Xiang 2021-09-22 15:38 ` Chao Yu 2021-09-22 15:38 ` [f2fs-dev] " Chao Yu
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210921143730.82649-1-hsiangkao@linux.alibaba.com \ --to=hsiangkao@linux.alibaba.com \ --cc=chao@kernel.org \ --cc=jaegeuk@kernel.org \ --cc=linux-f2fs-devel@lists.sourceforge.net \ --cc=linux-kernel@vger.kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.