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authorKent Overstreet <kmo@daterainc.com>2013-12-17 21:56:21 -0800
committerKent Overstreet <kmo@daterainc.com>2014-01-08 13:05:12 -0800
commitfafff81cead78157099df1ee10af16cc51893ddc (patch)
treea198145a2ac94431667e82e2eb09c1365fb94b84 /drivers/md/bcache/btree.c
parent085d2a3dd4d65b7bce1dead987c647dbbc014281 (diff)
bcache: Bkey indexing renaming
More refactoring: node() -> bset_bkey_idx() end() -> bset_bkey_last() Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Diffstat (limited to 'drivers/md/bcache/btree.c')
-rw-r--r--drivers/md/bcache/btree.c33
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index f0a6399fdd3c..8aaaf16637a0 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -197,7 +197,7 @@ void bkey_put(struct cache_set *c, struct bkey *k)
static uint64_t btree_csum_set(struct btree *b, struct bset *i)
{
uint64_t crc = b->key.ptr[0];
- void *data = (void *) i + 8, *end = end(i);
+ void *data = (void *) i + 8, *end = bset_bkey_last(i);
crc = bch_crc64_update(crc, data, end - data);
return crc ^ 0xffffffffffffffffULL;
@@ -251,7 +251,7 @@ void bch_btree_node_read_done(struct btree *b)
if (i != b->sets[0].data && !i->keys)
goto err;
- bch_btree_iter_push(iter, i->start, end(i));
+ bch_btree_iter_push(iter, i->start, bset_bkey_last(i));
b->written += set_blocks(i, b->c);
}
@@ -1310,7 +1310,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op,
if (i > 1) {
for (k = n2->start;
- k < end(n2);
+ k < bset_bkey_last(n2);
k = bkey_next(k)) {
if (__set_blocks(n1, n1->keys + keys +
bkey_u64s(k), b->c) > blocks)
@@ -1343,16 +1343,17 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op,
if (last)
bkey_copy_key(&new_nodes[i]->key, last);
- memcpy(end(n1),
+ memcpy(bset_bkey_last(n1),
n2->start,
- (void *) node(n2, keys) - (void *) n2->start);
+ (void *) bset_bkey_idx(n2, keys) - (void *) n2->start);
n1->keys += keys;
r[i].keys = n1->keys;
memmove(n2->start,
- node(n2, keys),
- (void *) end(n2) - (void *) node(n2, keys));
+ bset_bkey_idx(n2, keys),
+ (void *) bset_bkey_last(n2) -
+ (void *) bset_bkey_idx(n2, keys));
n2->keys -= keys;
@@ -1830,7 +1831,7 @@ static void shift_keys(struct btree *b, struct bkey *where, struct bkey *insert)
memmove((uint64_t *) where + bkey_u64s(insert),
where,
- (void *) end(i) - (void *) where);
+ (void *) bset_bkey_last(i) - (void *) where);
i->keys += bkey_u64s(insert);
bkey_copy(where, insert);
@@ -2014,7 +2015,7 @@ static bool btree_insert_key(struct btree *b, struct btree_op *op,
bcache_dev_sectors_dirty_add(b->c, KEY_INODE(k),
KEY_START(k), KEY_SIZE(k));
- while (m != end(i) &&
+ while (m != bset_bkey_last(i) &&
bkey_cmp(k, &START_KEY(m)) > 0)
prev = m, m = bkey_next(m);
@@ -2028,12 +2029,12 @@ static bool btree_insert_key(struct btree *b, struct btree_op *op,
goto merged;
status = BTREE_INSERT_STATUS_OVERWROTE;
- if (m != end(i) &&
+ if (m != bset_bkey_last(i) &&
KEY_PTRS(m) == KEY_PTRS(k) && !KEY_SIZE(m))
goto copy;
status = BTREE_INSERT_STATUS_FRONT_MERGE;
- if (m != end(i) &&
+ if (m != bset_bkey_last(i) &&
bch_bkey_try_merge(b, k, m))
goto copy;
} else {
@@ -2142,16 +2143,18 @@ static int btree_split(struct btree *b, struct btree_op *op,
*/
while (keys < (n1->sets[0].data->keys * 3) / 5)
- keys += bkey_u64s(node(n1->sets[0].data, keys));
+ keys += bkey_u64s(bset_bkey_idx(n1->sets[0].data,
+ keys));
- bkey_copy_key(&n1->key, node(n1->sets[0].data, keys));
- keys += bkey_u64s(node(n1->sets[0].data, keys));
+ bkey_copy_key(&n1->key,
+ bset_bkey_idx(n1->sets[0].data, keys));
+ keys += bkey_u64s(bset_bkey_idx(n1->sets[0].data, keys));
n2->sets[0].data->keys = n1->sets[0].data->keys - keys;
n1->sets[0].data->keys = keys;
memcpy(n2->sets[0].data->start,
- end(n1->sets[0].data),
+ bset_bkey_last(n1->sets[0].data),
n2->sets[0].data->keys * sizeof(uint64_t));
bkey_copy_key(&n2->key, &b->key);