svcrdma: Add an async version of svc_rdma_write_info_free()

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DMA unmapping can take quite some time, so it should not be handled
in a single-threaded completion handler. Defer releasing write_info
structs to the recently-added workqueue.

With this patch, DMA unmapping can be handled in parallel, and it
does not cause head-of-queue blocking of Write completions.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

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Chuck Lever 2023-11-21 11:40:39 -05:00

parent ae225fe27b

commit f09c36c8df

1 changed files with 11 additions and 1 deletions

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net/sunrpc/xprtrdma/svc_rdma_rw.c

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