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| author |   Mike Snitzer <snitzer@kernel.org> | 2023-10-25 19:29:03 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@kernel.org> | 2023-10-27 13:22:51 -0400 |
| commit | 6f25dd1c57b8ba92d899eae4eda16573a2f78ffc (patch) | |
| tree | 4b9b20253bdc2f3cec43857728f657b0813af255 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | dm: enhance alloc_multiple_bios() to be more versatile (diff) | |
| download | wireguard-linux-6f25dd1c57b8ba92d899eae4eda16573a2f78ffc.tar.xz wireguard-linux-6f25dd1c57b8ba92d899eae4eda16573a2f78ffc.zip | |
dm: respect REQ_NOWAIT flag in normal bios issued to DM
Update DM core's normal IO submission to allocate required memory
using GFP_NOWAIT if REQ_NOWAIT is set.
Tested with simple test provided in commit a9ce385344f916 ("dm: don't
attempt to queue IO under RCU protection") that was enhanced to check
error codes. Also tested using fio's pvsync2 with nowait=1.
But testing with induced GFP_NOWAIT allocation failures wasn't
performed (yet).
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions