Commit e70614fb authored by Artur Paszkiewicz's avatar Artur Paszkiewicz Committed by Tomasz Zawadzki
Browse files

raid5f: factor out setting chunk iovcnt 



This will be used in another place later.

Change-Id: I2c19f0bd1c52444c327beb4477faa199135b198e
Signed-off-by: default avatarArtur Paszkiewicz <artur.paszkiewicz@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/18390


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <smatsumoto@nvidia.com>
Community-CI: Mellanox Build Bot
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 77d948d7

module/bdev/raid/raid5f.c

+22 −10
Original line number Diff line number Diff line
@@ -397,6 +397,24 @@ raid5f_chunk_write(struct chunk *chunk) 
	return ret;

}



static int

raid5f_chunk_set_iovcnt(struct chunk *chunk, int iovcnt)

{

	if (iovcnt > chunk->iovcnt_max) {

		struct iovec *iovs = chunk->iovs;



		iovs = realloc(iovs, iovcnt * sizeof(*iovs));

		if (!iovs) {

			return -ENOMEM;

		}

		chunk->iovs = iovs;

		chunk->iovcnt_max = iovcnt;

	}

	chunk->iovcnt = iovcnt;



	return 0;

}



static int

raid5f_stripe_request_map_iovecs(struct stripe_request *stripe_req)

{
@@ -416,6 +434,7 @@ raid5f_stripe_request_map_iovecs(struct stripe_request *stripe_req) 
		int chunk_iovcnt = 0;

		uint64_t len = raid_bdev->strip_size << raid_bdev->blocklen_shift;

		size_t off = raid_io_iov_offset;

		int ret;



		for (i = raid_io_iov_idx; i < raid_io_iovcnt; i++) {

			chunk_iovcnt++;
@@ -427,17 +446,10 @@ raid5f_stripe_request_map_iovecs(struct stripe_request *stripe_req) 


		assert(raid_io_iov_idx + chunk_iovcnt <= raid_io_iovcnt);



		if (chunk_iovcnt > chunk->iovcnt_max) {

			struct iovec *iovs = chunk->iovs;



			iovs = realloc(iovs, chunk_iovcnt * sizeof(*iovs));

			if (!iovs) {

				return -ENOMEM;

			}

			chunk->iovs = iovs;

			chunk->iovcnt_max = chunk_iovcnt;

		ret = raid5f_chunk_set_iovcnt(chunk, chunk_iovcnt);

		if (ret) {

			return ret;

		}

		chunk->iovcnt = chunk_iovcnt;



		if (raid_io_md) {

			chunk->md_buf = raid_io_md +