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| author | Logan Gunthorpe <logang@deltatee.com> | 2022-10-21 11:41:13 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-09 11:29:21 -0700 |
| commit | 5e3e3f2e15df46abcab1959f93f214f778b6ec49 (patch) | |
| tree | 6db106f3f6769207fca9f405578c1cfa5e93d12e /fs/char_dev.c | |
| parent | 1567b49d1a4081ba7e1a0ff2dc39bc58c59f2a51 (diff) | |
block: set FOLL_PCI_P2PDMA in __bio_iov_iter_get_pages()
When a bio's queue supports PCI P2PDMA, set FOLL_PCI_P2PDMA for
iov_iter_get_pages_flags(). This allows PCI P2PDMA pages to be passed
from userspace and enables the O_DIRECT path in iomap based filesystems
and direct to block devices.
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20221021174116.7200-7-logang@deltatee.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/char_dev.c')
0 files changed, 0 insertions, 0 deletions