diff options
Diffstat (limited to 'module/zfs/zio.c')
| -rw-r--r-- | module/zfs/zio.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/module/zfs/zio.c b/module/zfs/zio.c index a16266a40..2bc88c52c 100644 --- a/module/zfs/zio.c +++ b/module/zfs/zio.c @@ -248,6 +248,20 @@ zio_data_buf_alloc(size_t size) return (kmem_cache_alloc(zio_data_buf_cache[c], KM_PUSHPAGE)); } +/* + * Use zio_buf_alloc_flags when specific allocation flags are needed. e.g. + * passing KM_NOSLEEP when it is acceptable for an allocation to fail. + */ +void * +zio_buf_alloc_flags(size_t size, int flags) +{ + size_t c = (size - 1) >> SPA_MINBLOCKSHIFT; + + VERIFY3U(c, <, SPA_MAXBLOCKSIZE >> SPA_MINBLOCKSHIFT); + + return (kmem_cache_alloc(zio_buf_cache[c], flags)); +} + void zio_buf_free(void *buf, size_t size) { @@ -3475,6 +3489,7 @@ zbookmark_is_before(const dnode_phys_t *dnp, const zbookmark_phys_t *zb1, EXPORT_SYMBOL(zio_type_name); EXPORT_SYMBOL(zio_buf_alloc); EXPORT_SYMBOL(zio_data_buf_alloc); +EXPORT_SYMBOL(zio_buf_alloc_flags); EXPORT_SYMBOL(zio_buf_free); EXPORT_SYMBOL(zio_data_buf_free); |