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f5358a172f
Create an SRP FMR pool on HCAs that support FMRs, and use FMRs to map gather/scatter lists that have more than one entry into a single memory region that appears virtually contiguous to the SRP target (which is the RDMA initiator). This patch bails out on FMR mapping for SCSI commands where the gather/scatter list cannot be mapped into a single FMR because there are sub-page-sized entries in middle of the list. An unaligned start or end of the list is OK. Based on a patch by Vu Pham <vuhuong@mellanox.com>. Signed-off-by: Roland Dreier <rolandd@cisco.com> |
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| ib_srp.c | ||
| ib_srp.h | ||
| Kbuild | ||
| Kconfig | ||