block: extract bdrv_setup_io_funcs()
Move the code to install coroutine and aio emulation function pointers in a BlockDriver to its own function. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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e0c47b6cb1
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7
block.c
7
block.c
@ -349,7 +349,7 @@ void bdrv_get_full_backing_filename(BlockDriverState *bs, char *dest, size_t sz,
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dest, sz, errp);
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dest, sz, errp);
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}
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}
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void bdrv_register(BlockDriver *bdrv)
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void bdrv_setup_io_funcs(BlockDriver *bdrv)
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{
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{
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/* Block drivers without coroutine functions need emulation */
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/* Block drivers without coroutine functions need emulation */
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if (!bdrv->bdrv_co_readv) {
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if (!bdrv->bdrv_co_readv) {
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@ -365,6 +365,11 @@ void bdrv_register(BlockDriver *bdrv)
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bdrv->bdrv_aio_writev = bdrv_aio_writev_em;
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bdrv->bdrv_aio_writev = bdrv_aio_writev_em;
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}
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}
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}
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}
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}
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void bdrv_register(BlockDriver *bdrv)
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{
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bdrv_setup_io_funcs(bdrv);
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QLIST_INSERT_HEAD(&bdrv_drivers, bdrv, list);
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QLIST_INSERT_HEAD(&bdrv_drivers, bdrv, list);
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}
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}
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@ -439,6 +439,14 @@ extern BlockDriver bdrv_file;
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extern BlockDriver bdrv_raw;
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extern BlockDriver bdrv_raw;
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extern BlockDriver bdrv_qcow2;
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extern BlockDriver bdrv_qcow2;
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/**
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* bdrv_setup_io_funcs:
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*
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* Prepare a #BlockDriver for I/O request processing by populating
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* unimplemented coroutine and AIO interfaces with generic wrapper functions
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* that fall back to implemented interfaces.
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*/
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void bdrv_setup_io_funcs(BlockDriver *bdrv);
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int get_tmp_filename(char *filename, int size);
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int get_tmp_filename(char *filename, int size);
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BlockDriver *bdrv_probe_all(const uint8_t *buf, int buf_size,
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BlockDriver *bdrv_probe_all(const uint8_t *buf, int buf_size,
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