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cleanup mscp_prepare-related code

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This commit is contained in:
Ryo Nakamura
2023-03-14 00:11:13 +09:00
parent 5f9f20f150
commit 9b0eb668f9
3 changed files with 25 additions and 28 deletions
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21
src/path.c
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@@ -13,22 +13,6 @@
#include <message.h>
/* util */
static int get_page_mask(void)
{
long page_sz = sysconf(_SC_PAGESIZE);
size_t page_mask = 0;
int n;
for (n = 0; page_sz > 0; page_sz >>= 1, n++) {
page_mask <<= 1;
page_mask |= 1;
}
return page_mask >> 1;
}
/* chunk pool operations */
#define CHUNK_POOL_STATE_FILLING 0
#define CHUNK_POOL_STATE_FILLED 1
@@ -174,19 +158,16 @@ static struct chunk *alloc_chunk(struct path *p)
static int resolve_chunk(struct path *p, struct path_resolve_args *a)
{
struct chunk *c;
size_t page_mask;
size_t chunk_sz;
size_t size;
page_mask = get_page_mask();
if (p->size <= a->min_chunk_sz)
chunk_sz = p->size;
else if (a->max_chunk_sz)
chunk_sz = a->max_chunk_sz;
else {
chunk_sz = (p->size - (p->size % a->nr_conn)) / a->nr_conn;
chunk_sz &= ~page_mask; /* align with page_sz */
chunk_sz &= ~a->chunk_align; /* align with page_sz */
if (chunk_sz <= a->min_chunk_sz)
chunk_sz = a->min_chunk_sz;
}