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authorAlberto Garcia <berto@igalia.com>2018-02-05 16:33:03 +0200
committerMax Reitz <mreitz@redhat.com>2018-02-13 16:59:58 +0100
commit9869b27bb5c1c08f175804d287efc7b3c6a94e33 (patch)
treed55fa370d1c9e38d6b390e8fc3bf9ff8cd7c61f2 /block/qcow2-cache.c
parent03019d73142f78c22b87b7162f3c4a390d7d839e (diff)
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qcow2: Remove BDS parameter from qcow2_cache_get_table_addr()
This function was only using the BlockDriverState parameter to get the cache table size (since it was equal to the cluster size). This is no longer necessary so this parameter can be removed. Signed-off-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Message-id: e1f943a9e89e1deb876f45de1bb22419ccdb6ad3.1517840876.git.berto@igalia.com Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/qcow2-cache.c')
-rw-r--r--block/qcow2-cache.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/block/qcow2-cache.c b/block/qcow2-cache.c
index 38c0377..a481ef4 100644
--- a/block/qcow2-cache.c
+++ b/block/qcow2-cache.c
@@ -46,8 +46,7 @@ struct Qcow2Cache {
uint64_t cache_clean_lru_counter;
};
-static inline void *qcow2_cache_get_table_addr(BlockDriverState *bs,
- Qcow2Cache *c, int table)
+static inline void *qcow2_cache_get_table_addr(Qcow2Cache *c, int table)
{
return (uint8_t *) c->table_array + (size_t) table * c->table_size;
}
@@ -78,7 +77,7 @@ static void qcow2_cache_table_release(BlockDriverState *bs, Qcow2Cache *c,
{
/* Using MADV_DONTNEED to discard memory is a Linux-specific feature */
#ifdef CONFIG_LINUX
- void *t = qcow2_cache_get_table_addr(bs, c, i);
+ void *t = qcow2_cache_get_table_addr(c, i);
int align = getpagesize();
size_t mem_size = (size_t) c->table_size * num_tables;
size_t offset = QEMU_ALIGN_UP((uintptr_t) t, align) - (uintptr_t) t;
@@ -222,7 +221,7 @@ static int qcow2_cache_entry_flush(BlockDriverState *bs, Qcow2Cache *c, int i)
}
ret = bdrv_pwrite(bs->file, c->entries[i].offset,
- qcow2_cache_get_table_addr(bs, c, i), c->table_size);
+ qcow2_cache_get_table_addr(c, i), c->table_size);
if (ret < 0) {
return ret;
}
@@ -378,7 +377,7 @@ static int qcow2_cache_do_get(BlockDriverState *bs, Qcow2Cache *c,
}
ret = bdrv_pread(bs->file, offset,
- qcow2_cache_get_table_addr(bs, c, i),
+ qcow2_cache_get_table_addr(c, i),
c->table_size);
if (ret < 0) {
return ret;
@@ -390,7 +389,7 @@ static int qcow2_cache_do_get(BlockDriverState *bs, Qcow2Cache *c,
/* And return the right table */
found:
c->entries[i].ref++;
- *table = qcow2_cache_get_table_addr(bs, c, i);
+ *table = qcow2_cache_get_table_addr(c, i);
trace_qcow2_cache_get_done(qemu_coroutine_self(),
c == s->l2_table_cache, i);
@@ -439,7 +438,7 @@ void *qcow2_cache_is_table_offset(BlockDriverState *bs, Qcow2Cache *c,
for (i = 0; i < c->size; i++) {
if (c->entries[i].offset == offset) {
- return qcow2_cache_get_table_addr(bs, c, i);
+ return qcow2_cache_get_table_addr(c, i);
}
}
return NULL;