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f2fs: fix up f2fs_lookup tracepoints
[ Upstream commit70a9ac36ff
] Fix up a misuse that the filename pointer isn't always valid in the ring buffer, and we should copy the content instead. Fixes:0c5e36db17
("f2fs: trace f2fs_lookup") Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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parent
5d5bf899e5
commit
e8bd5e3305
1 changed files with 6 additions and 6 deletions
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@ -807,20 +807,20 @@ TRACE_EVENT(f2fs_lookup_start,
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TP_STRUCT__entry(
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__field(dev_t, dev)
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__field(ino_t, ino)
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__field(const char *, name)
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__string(name, dentry->d_name.name)
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__field(unsigned int, flags)
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),
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TP_fast_assign(
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__entry->dev = dir->i_sb->s_dev;
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__entry->ino = dir->i_ino;
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__entry->name = dentry->d_name.name;
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__assign_str(name, dentry->d_name.name);
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__entry->flags = flags;
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),
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TP_printk("dev = (%d,%d), pino = %lu, name:%s, flags:%u",
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show_dev_ino(__entry),
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__entry->name,
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__get_str(name),
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__entry->flags)
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);
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@ -834,7 +834,7 @@ TRACE_EVENT(f2fs_lookup_end,
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TP_STRUCT__entry(
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__field(dev_t, dev)
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__field(ino_t, ino)
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__field(const char *, name)
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__string(name, dentry->d_name.name)
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__field(nid_t, cino)
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__field(int, err)
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),
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@ -842,14 +842,14 @@ TRACE_EVENT(f2fs_lookup_end,
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TP_fast_assign(
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__entry->dev = dir->i_sb->s_dev;
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__entry->ino = dir->i_ino;
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__entry->name = dentry->d_name.name;
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__assign_str(name, dentry->d_name.name);
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__entry->cino = ino;
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__entry->err = err;
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),
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TP_printk("dev = (%d,%d), pino = %lu, name:%s, ino:%u, err:%d",
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show_dev_ino(__entry),
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__entry->name,
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__get_str(name),
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__entry->cino,
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__entry->err)
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);
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