diff options
| author | John Layman <[email protected]> | 2013-11-19 16:34:46 -0500 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2014-01-07 10:33:11 -0800 |
| commit | ecf3d9b8e63e5659269e15db527380c65780f71a (patch) | |
| tree | 93c1a7b7cf0c66b14ae4a63a6511a9f87a62baa1 /include/sys | |
| parent | 4dad7d91e24875f077e26808fec900224e97dcb2 (diff) | |
Add ddt, ddt_entry, and l2arc_hdr caches
Back the allocations for ddt tables+entries and l2arc headers with
kmem caches. This will reduce the cost of allocating these commonly
used structures and allow for greater visibility of them through the
/proc/spl/kmem/slab interface.
Signed-off-by: John Layman <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #1893
Diffstat (limited to 'include/sys')
| -rw-r--r-- | include/sys/ddt.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/sys/ddt.h b/include/sys/ddt.h index ed41315cb..3befcb844 100644 --- a/include/sys/ddt.h +++ b/include/sys/ddt.h @@ -216,6 +216,8 @@ extern void ddt_decompress(uchar_t *src, void *dst, size_t s_len, size_t d_len); extern ddt_t *ddt_select(spa_t *spa, const blkptr_t *bp); extern void ddt_enter(ddt_t *ddt); extern void ddt_exit(ddt_t *ddt); +extern void ddt_init(void); +extern void ddt_fini(void); extern ddt_entry_t *ddt_lookup(ddt_t *ddt, const blkptr_t *bp, boolean_t add); extern void ddt_prefetch(spa_t *spa, const blkptr_t *bp); extern void ddt_remove(ddt_t *ddt, ddt_entry_t *dde); |