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mirror of https://review.haiku-os.org/haiku synced 2024-11-23 07:18:40 +01:00
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nvme_disk: Slight code cleanup.

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* Add const to rounded_len.

 * Remove dead store of lba_count: it's really set inside the while
   loop.

No functional change intended.
This commit is contained in:
Augustin Cavalier 2024-11-05 13:48:28 -05:00
parent f9141f8935
commit 1f4aed8088
1 changed files with 2 additions and 4 deletions
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6
src/add-ons/kernel/drivers/disk/nvme/nvme_disk.cpp
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@ -723,7 +723,7 @@ nvme_disk_io(void* cookie, io_request* request)
// See if we need to bounce due to rounding.
const off_t rounded_pos = ROUNDDOWN(request->Offset(), block_size);
phys_size_t rounded_len = ROUNDUP(request->Length() + (request->Offset()
const phys_size_t rounded_len = ROUNDUP(request->Length() + (request->Offset()
- rounded_pos), block_size);
if (rounded_pos != request->Offset() || rounded_len != request->Length())
bounceAll = true;
@ -733,9 +733,6 @@ nvme_disk_io(void* cookie, io_request* request)
return nvme_disk_bounced_io(handle, request);
}
nvme_request.lba_start = rounded_pos / block_size;
nvme_request.lba_count = rounded_len / block_size;
// No bouncing was required.
ReadLocker readLocker;
if (nvme_request.write)
@ -750,6 +747,7 @@ nvme_disk_io(void* cookie, io_request* request)
const uint32 max_io_blocks = handle->info->max_io_blocks;
int32 remaining = nvme_request.iovec_count;
nvme_request.lba_start = rounded_pos / block_size;
while (remaining > 0) {
nvme_request.iovec_count = min_c(remaining,
NVME_MAX_SGL_DESCRIPTORS / 2);