diff options
Diffstat (limited to 'libbcachefs/util.c')
| -rw-r--r-- | libbcachefs/util.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/libbcachefs/util.c b/libbcachefs/util.c index 1f2c23b9..60e1f1ff 100644 --- a/libbcachefs/util.c +++ b/libbcachefs/util.c @@ -203,7 +203,7 @@ bool bch2_is_zero(const void *_p, size_t n) return true; } -void bch2_quantiles_update(struct quantiles *q, u64 v) +static void bch2_quantiles_update(struct quantiles *q, u64 v) { unsigned i = 0; @@ -569,6 +569,23 @@ start: bv->bv_len = min_t(size_t, PAGE_SIZE - bv->bv_offset, } } +int bch2_bio_alloc_pages(struct bio *bio, gfp_t gfp_mask) +{ + int i; + struct bio_vec *bv; + + bio_for_each_segment_all(bv, bio, i) { + bv->bv_page = alloc_page(gfp_mask); + if (!bv->bv_page) { + while (--bv >= bio->bi_io_vec) + __free_page(bv->bv_page); + return -ENOMEM; + } + } + + return 0; +} + size_t bch2_rand_range(size_t max) { size_t rand; @@ -771,20 +788,28 @@ void sort_cmp_size(void *base, size_t num, size_t size, } } -void mempool_free_vp(void *element, void *pool_data) +static void mempool_free_vp(void *element, void *pool_data) { size_t size = (size_t) pool_data; vpfree(element, size); } -void *mempool_alloc_vp(gfp_t gfp_mask, void *pool_data) +static void *mempool_alloc_vp(gfp_t gfp_mask, void *pool_data) { size_t size = (size_t) pool_data; return vpmalloc(size, gfp_mask); } +int mempool_init_kvpmalloc_pool(mempool_t *pool, int min_nr, size_t size) +{ + return size < PAGE_SIZE + ? mempool_init_kmalloc_pool(pool, min_nr, size) + : mempool_init(pool, min_nr, mempool_alloc_vp, + mempool_free_vp, (void *) size); +} + #if 0 void eytzinger1_test(void) { |