diff options
| author | Jan Kara <[email protected]> | 2017-05-12 15:46:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2017-05-12 15:57:16 -0700 |
| commit | fb26a1cbed8c90025572d48bc9eabe59f7571e88 (patch) | |
| tree | 900f3fb406c1c78f42d8d036c89de2a8fc452993 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | cd656375f94632d7b5af57bf67b7b5c0270c591c (diff) | |
ext4: return to starting transaction in ext4_dax_huge_fault()
DAX will return to locking exceptional entry before mapping blocks for a
page fault to fix possible races with concurrent writes. To avoid lock
inversion between exceptional entry lock and transaction start, start
the transaction already in ext4_dax_huge_fault().
Fixes: 9f141d6ef6258a3a37a045842d9ba7e68f368956
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Jan Kara <[email protected]>
Cc: Ross Zwisler <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions