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authorChristoph Hellwig <[email protected]>2016-10-03 09:47:34 +1100
committerDave Chinner <[email protected]>2016-10-03 09:47:34 +1100
commita447d7cd15c759d8ab7f3c9c8183aa8c999d7ed4 (patch)
tree5eccbbc0cc8d2b2d4b465f1739d1487b5e26b124 /tools/perf/scripts/python/call-graph-from-postgresql.py
parent5694fe9aadbb26874d2791de1db6ac08aa1b4c14 (diff)
xfs: update atime before I/O in xfs_file_dio_aio_read
After the call to __blkdev_direct_IO the final reference to the file might have been dropped by aio_complete already, and the call to file_accessed might cause a use after free. Instead update the access time before the I/O, similar to how we update the time stamps before writes. Signed-off-by: Christoph Hellwig <[email protected]> Reported-and-tested-by: Darrick J. Wong <[email protected]> Reviewed-by: Darrick J. Wong <[email protected]> Signed-off-by: Dave Chinner <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
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