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01e9d11a3e
The patch implements a framework to process an IO request asynchronously. The idea is to associate several fuse requests with a single kiocb by means of fuse_io_priv structure. The structure plays the same role for FUSE as 'struct dio' for direct-io.c. The framework is supposed to be used like this: - someone (who wants to process an IO asynchronously) allocates fuse_io_priv and initializes it setting 'async' field to non-zero value. - as soon as fuse request is filled, it can be submitted (in non-blocking way) by fuse_async_req_send() - when all submitted requests are ACKed by userspace, io->reqs drops to zero triggering aio_complete() In case of IO initiated by libaio, aio_complete() will finish processing the same way as in case of dio_complete() calling aio_complete(). But the framework may be also used for internal FUSE use when initial IO request was synchronous (from user perspective), but it's beneficial to process it asynchronously. Then the caller should wait on kiocb explicitly and aio_complete() will wake the caller up. Signed-off-by: Maxim Patlasov <mpatlasov@parallels.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> |
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| .. | ||
| control.c | ||
| cuse.c | ||
| dev.c | ||
| dir.c | ||
| file.c | ||
| fuse_i.h | ||
| inode.c | ||
| Kconfig | ||
| Makefile | ||