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block: remove AioContext locking

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This is the big patch that removes
aio_context_acquire()/aio_context_release() from the block layer and
affected block layer users.

There isn't a clean way to split this patch and the reviewers are likely
the same group of people, so I decided to do it in one patch.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-ID: <20231205182011.1976568-7-stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Stefan Hajnoczi
2023-12-05 13:20:03 -05:00
committed by Kevin Wolf
parent 6bc30f1949
commit b49f4755c7
41 changed files with 104 additions and 1169 deletions
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3
include/block/block-io.h
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@@ -31,8 +31,7 @@
/*
* I/O API functions. These functions are thread-safe, and therefore
* can run in any thread as long as the thread has called
* aio_context_acquire/release().
* can run in any thread.
*
* These functions can only call functions from I/O and Common categories,
* but can be invoked by GS, "I/O or GS" and I/O APIs.