diff options
| author | Hannes Reinecke <[email protected]> | 2017-04-07 09:34:14 +0200 |
|---|---|---|
| committer | Martin K. Petersen <[email protected]> | 2017-04-11 20:55:20 -0400 |
| commit | 1bc0eb0446158cc76562176b80623aa119afee5b (patch) | |
| tree | f72fe80c00543cbce217db3bc95555fa34b2a09d /tools/perf/scripts/python | |
| parent | 136e57bf43dc4babbfb8783abbf707d483cacbe3 (diff) | |
scsi: sg: protect accesses to 'reserved' page array
The 'reserved' page array is used as a short-cut for mapping data,
saving us to allocate pages per request. However, the 'reserved' array
is only capable of holding one request, so this patch introduces a mutex
for protect 'sg_fd' against concurrent accesses.
Signed-off-by: Hannes Reinecke <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Tested-by: Johannes Thumshirn <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions