diff options
| author | Don Brady <[email protected]> | 2018-09-05 19:33:36 -0600 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2018-09-05 18:33:36 -0700 |
| commit | cc99f275a28c43fe450a66a7544f73c4935f7361 (patch) | |
| tree | f867e1d2cbb550a047c0f87986831252c41a2fd9 /include/sys/dmu_objset.h | |
| parent | cfa37548ebc880580782b245f2d233ed540e7a01 (diff) | |
Pool allocation classes
Allocation Classes add the ability to have allocation classes in a
pool that are dedicated to serving specific block categories, such
as DDT data, metadata, and small file blocks. A pool can opt-in to
this feature by adding a 'special' or 'dedup' top-level VDEV.
Reviewed by: Pavel Zakharov <[email protected]>
Reviewed-by: Richard Laager <[email protected]>
Reviewed-by: Alek Pinchuk <[email protected]>
Reviewed-by: Håkan Johansson <[email protected]>
Reviewed-by: Andreas Dilger <[email protected]>
Reviewed-by: DHE <[email protected]>
Reviewed-by: Richard Elling <[email protected]>
Reviewed-by: Gregor Kopka <[email protected]>
Reviewed-by: Kash Pande <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Matthew Ahrens <[email protected]>
Signed-off-by: Don Brady <[email protected]>
Closes #5182
Diffstat (limited to 'include/sys/dmu_objset.h')
| -rw-r--r-- | include/sys/dmu_objset.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/sys/dmu_objset.h b/include/sys/dmu_objset.h index fd5afc0bc..c0650bcde 100644 --- a/include/sys/dmu_objset.h +++ b/include/sys/dmu_objset.h @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2012, 2017 by Delphix. All rights reserved. + * Copyright (c) 2012, 2018 by Delphix. All rights reserved. * Copyright (c) 2013 by Saso Kiselkov. All rights reserved. * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved. */ @@ -137,6 +137,11 @@ struct objset { uint64_t os_normalization; uint64_t os_utf8only; uint64_t os_casesensitivity; + /* + * The largest zpl file block allowed in special class. + * cached here instead of zfsvfs for easier access. + */ + int os_zpl_special_smallblock; /* * Pointer is constant; the blkptr it points to is protected by |