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authorGao Xiang <hsiangkao@linux.alibaba.com>2021-09-21 22:37:30 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2021-09-28 12:04:14 -0700
commit70a9ac36ffd807ac506ed0b849f3e8ce3c6623f2 (patch)
tree15acc818edfef5b3732abb7441a1678f3650c3ce /include/trace
parentf2fs: set SBI_NEED_FSCK flag when inconsistent node block found (diff)
downloadlinux-dev-70a9ac36ffd807ac506ed0b849f3e8ce3c6623f2.tar.xz
linux-dev-70a9ac36ffd807ac506ed0b849f3e8ce3c6623f2.zip
f2fs: fix up f2fs_lookup tracepoints
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> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/f2fs.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 4e881d91c874..4cb055af1ec0 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -807,20 +807,20 @@ TRACE_EVENT(f2fs_lookup_start,
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 @@ TRACE_EVENT(f2fs_lookup_end,
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 @@ TRACE_EVENT(f2fs_lookup_end,
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)
);