aad719dcf3
If the cache is completely out of MRs, and we are running in cache mode, then directly, and synchronously, create an MR that is compatible with the cache bucket using a sleeping mailbox command. This ensures that the thread that is waiting for the MR absolutely will get one. When a MR allocated in this way becomes freed then it is compatible with the cache bucket and will be recycled back into it. Deletes the very buggy ent->compl scheme to create a synchronous MR allocation. Link: https://lore.kernel.org/r/20200310082238.239865-13-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> |
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