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author | Jens Axboe <axboe@kernel.dk> | 2013-12-31 09:51:02 -0700 |
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committer | Jens Axboe <axboe@kernel.dk> | 2013-12-31 09:51:02 -0700 |
commit | b28bc9b38c52f63f43e3fd875af982f2240a2859 (patch) | |
tree | 76cdb7b52b58f5685993cc15ed81d1c903023358 /drivers/md/bcache/movinggc.c | |
parent | 8d30726912cb39c3a3ebde06214d54861f8fdde2 (diff) | |
parent | 802eee95bde72fd0cd0f3a5b2098375a487d1eda (diff) | |
download | linux-b28bc9b38c52f63f43e3fd875af982f2240a2859.tar.gz linux-b28bc9b38c52f63f43e3fd875af982f2240a2859.tar.xz |
Merge tag 'v3.13-rc6' into for-3.14/core
Needed to bring blk-mq uptodate, since changes have been going in
since for-3.14/core was established.
Fixup merge issues related to the immutable biovec changes.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Conflicts:
block/blk-flush.c
fs/btrfs/check-integrity.c
fs/btrfs/extent_io.c
fs/btrfs/scrub.c
fs/logfs/dev_bdev.c
Diffstat (limited to 'drivers/md/bcache/movinggc.c')
-rw-r--r-- | drivers/md/bcache/movinggc.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c index 581f95df8265..052bd24d24b4 100644 --- a/drivers/md/bcache/movinggc.c +++ b/drivers/md/bcache/movinggc.c @@ -25,10 +25,9 @@ static bool moving_pred(struct keybuf *buf, struct bkey *k) unsigned i; for (i = 0; i < KEY_PTRS(k); i++) { - struct cache *ca = PTR_CACHE(c, k, i); struct bucket *g = PTR_BUCKET(c, k, i); - if (GC_SECTORS_USED(g) < ca->gc_move_threshold) + if (GC_MOVE(g)) return true; } @@ -65,11 +64,16 @@ static void write_moving_finish(struct closure *cl) static void read_moving_endio(struct bio *bio, int error) { + struct bbio *b = container_of(bio, struct bbio, bio); struct moving_io *io = container_of(bio->bi_private, struct moving_io, cl); if (error) io->op.error = error; + else if (!KEY_DIRTY(&b->key) && + ptr_stale(io->op.c, &b->key, 0)) { + io->op.error = -EINTR; + } bch_bbio_endio(io->op.c, bio, error, "reading data to move"); } @@ -141,6 +145,11 @@ static void read_moving(struct cache_set *c) if (!w) break; + if (ptr_stale(c, &w->key, 0)) { + bch_keybuf_del(&c->moving_gc_keys, w); + continue; + } + io = kzalloc(sizeof(struct moving_io) + sizeof(struct bio_vec) * DIV_ROUND_UP(KEY_SIZE(&w->key), PAGE_SECTORS), GFP_KERNEL); @@ -184,7 +193,8 @@ static bool bucket_cmp(struct bucket *l, struct bucket *r) static unsigned bucket_heap_top(struct cache *ca) { - return GC_SECTORS_USED(heap_peek(&ca->heap)); + struct bucket *b; + return (b = heap_peek(&ca->heap)) ? GC_SECTORS_USED(b) : 0; } void bch_moving_gc(struct cache_set *c) @@ -226,9 +236,8 @@ void bch_moving_gc(struct cache_set *c) sectors_to_move -= GC_SECTORS_USED(b); } - ca->gc_move_threshold = bucket_heap_top(ca); - - pr_debug("threshold %u", ca->gc_move_threshold); + while (heap_pop(&ca->heap, b, bucket_cmp)) + SET_GC_MOVE(b, 1); } mutex_unlock(&c->bucket_lock); |