ivampiresp/Spdk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bdev: Make malloc bdev use the new zero copy mechanism

Browse Source 
Change-Id: I8aea5dee3ad30814ffd061c4afa7729ad8d47cdf
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/386167
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Ben Walker 2017-11-07 15:11:22 -07:00 committed by Jim Harris
parent 84850dacd7
commit 7e4911c922
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
lib/bdev/malloc/bdev_malloc.c
View File

@ -310,6 +310,20 @@ static int _bdev_malloc_submit_request(struct spdk_io_channel *ch, struct spdk_b
bdev_io->u.bdev.offset_blocks * block_size, bdev_io->u.bdev.offset_blocks * block_size,
bdev_io->u.bdev.num_blocks * block_size); bdev_io->u.bdev.num_blocks * block_size);
case SPDK_BDEV_IO_TYPE_ZCOPY:
if (bdev_io->u.bdev.zcopy.start) {
void *buf;
size_t len;
buf = ((struct malloc_disk *)bdev_io->bdev->ctxt)->malloc_buf +
bdev_io->u.bdev.offset_blocks * block_size;
len = bdev_io->u.bdev.num_blocks * block_size;
spdk_bdev_io_set_buf(bdev_io, buf, len);
}
spdk_bdev_io_complete(spdk_bdev_io_from_ctx(bdev_io->driver_ctx),
SPDK_BDEV_IO_STATUS_SUCCESS);
return 0;
default: default:
return -1; return -1;
} }
@ -333,6 +347,7 @@ bdev_malloc_io_type_supported(void *ctx, enum spdk_bdev_io_type io_type)
case SPDK_BDEV_IO_TYPE_RESET: case SPDK_BDEV_IO_TYPE_RESET:
case SPDK_BDEV_IO_TYPE_UNMAP: case SPDK_BDEV_IO_TYPE_UNMAP:
case SPDK_BDEV_IO_TYPE_WRITE_ZEROES: case SPDK_BDEV_IO_TYPE_WRITE_ZEROES:
case SPDK_BDEV_IO_TYPE_ZCOPY:
return true; return true;
default: default: