diff options
| author | Kent Overstreet <kmo@daterainc.com> | 2014-01-08 21:22:02 -0800 |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2014-03-18 12:22:36 -0700 |
| commit | c13f3af9247db929fe1be86c0442ef161e615ac4 (patch) | |
| tree | 4af0f4811f92718230992a19f97f41df6f3c59ca /drivers/md | |
| parent | 15754020524a56517df082799f07de880f4b29e2 (diff) | |
| download | linux-c13f3af9247db929fe1be86c0442ef161e615ac4.tar.gz | |
bcache: Add bch_keylist_init_single()
This will potentially save us an allocation when we've got inode/dirent bkeys that don't fit in the keylist's inline keys. Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/bset.h | 6 | ||||
| -rw-r--r-- | drivers/md/bcache/journal.c | 5 |
2 files changed, 7 insertions, 4 deletions
diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h index 003260f4ddf6..5f6728d5d4dd 100644 --- a/drivers/md/bcache/bset.h +++ b/drivers/md/bcache/bset.h @@ -478,6 +478,12 @@ static inline void bch_keylist_init(struct keylist *l) l->top_p = l->keys_p = l->inline_keys; } +static inline void bch_keylist_init_single(struct keylist *l, struct bkey *k) +{ + l->keys = k; + l->top = bkey_next(k); +} + static inline void bch_keylist_push(struct keylist *l) { l->top = bkey_next(l->top); diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index cf8e0932aad2..c8bfc28cd2bd 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -313,8 +313,6 @@ int bch_journal_replay(struct cache_set *s, struct list_head *list) uint64_t start = i->j.last_seq, end = i->j.seq, n = start; struct keylist keylist; - bch_keylist_init(&keylist); - list_for_each_entry(i, list, list) { BUG_ON(i->pin && atomic_read(i->pin) != 1); @@ -327,8 +325,7 @@ int bch_journal_replay(struct cache_set *s, struct list_head *list) k = bkey_next(k)) { trace_bcache_journal_replay_key(k); - bkey_copy(keylist.top, k); - bch_keylist_push(&keylist); + bch_keylist_init_single(&keylist, k); ret = bch_btree_insert(s, &keylist, i->pin, NULL); if (ret) |