Gao Xiang 0dfaa04f01 f2fs: fix up f2fs_lookup tracepoints
[ Upstream commit 70a9ac36ffd807ac506ed0b849f3e8ce3c6623f2 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-11-25 09:48:31 +01:00
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