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| author |   Kent Overstreet <koverstreet@google.com> | 2013-06-05 06:24:39 -0700 |
|---|---|---|
| committer | Kent Overstreet <koverstreet@google.com> | 2013-06-26 21:58:04 -0700 |
| commit | 72c270612bd33192fa836ad0f2939af1ca218292 (patch) | |
| tree | 344129d75f3b5c0abcf77dd4b6340783a126cde8 /drivers/md/bcache/btree.h | |
| parent | bcache: Track dirty data by stripe (diff) | |
| download | linux-dev-72c270612bd33192fa836ad0f2939af1ca218292.tar.xz linux-dev-72c270612bd33192fa836ad0f2939af1ca218292.zip | |
bcache: Write out full stripes
Now that we're tracking dirty data per stripe, we can add two
optimizations for raid5/6:
* If a stripe is already dirty, force writes to that stripe to
writeback mode - to help build up full stripes of dirty data
* When flushing dirty data, preferentially write out full stripes first
if there are any.
Signed-off-by: Kent Overstreet <koverstreet@google.com>
Diffstat (limited to 'drivers/md/bcache/btree.h')
| -rw-r--r-- | drivers/md/bcache/btree.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/md/bcache/btree.h b/drivers/md/bcache/btree.h index 2b016b93cad4..f66d69a7baf1 100644 --- a/drivers/md/bcache/btree.h +++ b/drivers/md/bcache/btree.h @@ -391,13 +391,14 @@ void bch_moving_gc(struct closure *); int bch_btree_check(struct cache_set *, struct btree_op *); uint8_t __bch_btree_mark_key(struct cache_set *, int, struct bkey *); -void bch_keybuf_init(struct keybuf *, keybuf_pred_fn *); -void bch_refill_keybuf(struct cache_set *, struct keybuf *, struct bkey *); +void bch_keybuf_init(struct keybuf *); +void bch_refill_keybuf(struct cache_set *, struct keybuf *, struct bkey *, + keybuf_pred_fn *); bool bch_keybuf_check_overlapping(struct keybuf *, struct bkey *, struct bkey *); void bch_keybuf_del(struct keybuf *, struct keybuf_key *); struct keybuf_key *bch_keybuf_next(struct keybuf *); -struct keybuf_key *bch_keybuf_next_rescan(struct cache_set *, - struct keybuf *, struct bkey *); +struct keybuf_key *bch_keybuf_next_rescan(struct cache_set *, struct keybuf *, + struct bkey *, keybuf_pred_fn *); #endif |