c/mirror_zfs
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_zfs.git synced 2026-05-22 02:27:36 +03:00
Code Issues Packages Projects Releases Wiki Activity

ABD changes for vectorized RAIDZ

Browse Source 
* userspace: aligned buffers. Minimum of 32B alignment is
  needed for AVX2. Kernel buffers are aligned 512B or more.
* add abd_get_offset_size() interface
* abd_iter_map(): fix calculation of iter_mapsize
* add abd_raidz_gen_iterate() and abd_raidz_rec_iterate()

Signed-off-by: Gvozden Neskovic <neskovic@gmail.com>
This commit is contained in:
Gvozden Neskovic
2016-08-24 15:42:51 +02:00
committed by Brian Behlendorf
parent b0be93e81a
commit a206522c4f
3 changed files with 210 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/abd.h
+10
View File
@@ -84,6 +84,7 @@ abd_t *abd_alloc_for_io(size_t, boolean_t);
abd_t *abd_alloc_sametype(abd_t *, size_t);
void abd_free(abd_t *);
abd_t *abd_get_offset(abd_t *, size_t);
abd_t *abd_get_offset_size(abd_t *, size_t, size_t);
abd_t *abd_get_from_buf(void *, size_t);
void abd_put(abd_t *);
@@ -119,6 +120,15 @@ unsigned int abd_scatter_bio_map_off(struct bio *, abd_t *, unsigned int,
unsigned long abd_nr_pages_off(abd_t *, unsigned int, size_t);
#endif
void abd_raidz_gen_iterate(abd_t **cabds, abd_t *dabd,
ssize_t csize, ssize_t dsize, const unsigned parity,
void (*func_raidz_gen)(void **, const void *, size_t, size_t));
void abd_raidz_rec_iterate(abd_t **cabds, abd_t **tabds,
ssize_t tsize, const unsigned parity,
void (*func_raidz_rec)(void **t, const size_t tsize, void **c,
const unsigned *mul),
const unsigned *mul);
/*
* Wrappers for calls with offsets of 0
*/