diff options
| author | Boris Burkov <[email protected]> | 2024-12-13 12:33:22 -0800 |
|---|---|---|
| committer | David Sterba <[email protected]> | 2024-12-23 22:00:07 +0100 |
| commit | 0fba7be1ca6df2881e68386e5575fe096f33c4ca (patch) | |
| tree | f63d2445e8d35420b056a8b4e4116b2098adcf8f /tools/perf/scripts/python/call-graph-from-sql.py | |
| parent | 3e74859ee35edc33a022c3f3971df066ea0ca6b9 (diff) | |
btrfs: check folio mapping after unlock in put_file_data()
When we call btrfs_read_folio() we get an unlocked folio, so it is possible
for a different thread to concurrently modify folio->mapping. We must
check that this hasn't happened once we do have the lock.
CC: [email protected] # 6.12+
Reviewed-by: Qu Wenruo <[email protected]>
Signed-off-by: Boris Burkov <[email protected]>
Signed-off-by: David Sterba <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions