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| author | Logan Gunthorpe <logang@deltatee.com> | 2020-10-17 01:19:04 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-10-22 16:27:57 +0300 |
| commit | df06047d54276f73782c9d97882b305fca745d3f (patch) | |
| tree | a000029e08e4d4f58053060aa1e9e85a84d7d6d6 /lib/debugobjects.c | |
| parent | 85bd23f3dc09a2ae9e56885420e52c54bf983713 (diff) | |
| download | linux-df06047d54276f73782c9d97882b305fca745d3f.tar.xz | |
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 <hch@lst.de>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'lib/debugobjects.c')
0 files changed, 0 insertions, 0 deletions