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[Qemu-block] [PATCH v2 28/32] qcow2: Rename l2_table in count_contiguous
From: |
Alberto Garcia |
Subject: |
[Qemu-block] [PATCH v2 28/32] qcow2: Rename l2_table in count_contiguous_clusters() |
Date: |
Fri, 15 Dec 2017 13:53:56 +0100 |
This function doesn't need any changes to support L2 slices, but since
it's now dealing with slices intead of full tables, the l2_table
variable is renamed for clarity.
Signed-off-by: Alberto Garcia <address@hidden>
---
block/qcow2-cluster.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 0afe4eda13..3deb132fa4 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -371,19 +371,19 @@ fail:
}
/*
- * Checks how many clusters in a given L2 table are contiguous in the image
+ * Checks how many clusters in a given L2 slice are contiguous in the image
* file. As soon as one of the flags in the bitmask stop_flags changes compared
* to the first cluster, the search is stopped and the cluster is not counted
* as contiguous. (This allows it, for example, to stop at the first compressed
* cluster which may require a different handling)
*/
static int count_contiguous_clusters(int nb_clusters, int cluster_size,
- uint64_t *l2_table, uint64_t stop_flags)
+ uint64_t *l2_slice, uint64_t stop_flags)
{
int i;
QCow2ClusterType first_cluster_type;
uint64_t mask = stop_flags | L2E_OFFSET_MASK | QCOW_OFLAG_COMPRESSED;
- uint64_t first_entry = be64_to_cpu(l2_table[0]);
+ uint64_t first_entry = be64_to_cpu(l2_slice[0]);
uint64_t offset = first_entry & mask;
if (!offset) {
@@ -396,7 +396,7 @@ static int count_contiguous_clusters(int nb_clusters, int
cluster_size,
first_cluster_type == QCOW2_CLUSTER_ZERO_ALLOC);
for (i = 0; i < nb_clusters; i++) {
- uint64_t l2_entry = be64_to_cpu(l2_table[i]) & mask;
+ uint64_t l2_entry = be64_to_cpu(l2_slice[i]) & mask;
if (offset + (uint64_t) i * cluster_size != l2_entry) {
break;
}
--
2.11.0
- [Qemu-block] [PATCH v2 00/32] Allow configuring the qcow2 L2 cache entry size, Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 22/32] qcow2: Update discard_single_l2() to support L2 slices, Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 14/32] qcow2: Add offset_to_l2_slice_index(), Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 29/32] qcow2: Rename l2_table in count_contiguous_clusters_unallocated(), Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 13/32] qcow2: Add l2_slice_size field to BDRVQcow2State, Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 26/32] qcow2: Update qcow2_truncate() to support L2 slices, Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 28/32] qcow2: Rename l2_table in count_contiguous_clusters(),
Alberto Garcia <=
- [Qemu-block] [PATCH v2 32/32] iotests: Add test for l2-cache-entry-size, Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 04/32] qcow2: Remove BDS parameter from qcow2_cache_get_table_idx(), Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 27/32] qcow2: Rename l2_table in qcow2_alloc_compressed_cluster_offset(), Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 08/32] qcow2: Remove BDS parameter from qcow2_cache_destroy(), Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 03/32] qcow2: Remove BDS parameter from qcow2_cache_get_table_addr(), Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 01/32] qcow2: Fix documentation of get_cluster_table(), Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 09/32] qcow2: Remove BDS parameter from qcow2_cache_clean_unused(), Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 11/32] qcow2: Remove BDS parameter from qcow2_cache_is_table_offset(), Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 23/32] qcow2: Update zero_single_l2() to support L2 slices, Alberto Garcia, 2017/12/15
- [Qemu-block] [PATCH v2 06/32] qcow2: Remove BDS parameter from qcow2_cache_entry_mark_dirty(), Alberto Garcia, 2017/12/15