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| author | Logan Gunthorpe <[email protected]> | 2020-10-16 16:19:04 -0600 |
|---|---|---|
| committer | Christoph Hellwig <[email protected]> | 2020-10-22 15:27:57 +0200 |
| commit | df06047d54276f73782c9d97882b305fca745d3f (patch) | |
| tree | a000029e08e4d4f58053060aa1e9e85a84d7d6d6 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | 85bd23f3dc09a2ae9e56885420e52c54bf983713 (diff) | |
nvmet: limit passthru MTDS by BIO_MAX_PAGES
nvmet_passthru_map_sg() only supports mapping a single BIO, not a chain
so the effective maximum transfer should also be limitted by
BIO_MAX_PAGES (presently this works out to 1MB).
For PCI passthru devices the max_sectors would typically be more
limitting than BIO_MAX_PAGES, but this may not be true for all passthru
devices.
Fixes: c1fef73f793b ("nvmet: add passthru code to process commands")
Suggested-by: Christoph Hellwig <[email protected]>
Signed-off-by: Logan Gunthorpe <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Sagi Grimberg <[email protected]>
Cc: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions