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| author | avg <avg@FreeBSD.org> | 2014-01-16 16:07:59 +0000 |
|---|---|---|
| committer | avg <avg@FreeBSD.org> | 2014-01-16 16:07:59 +0000 |
| commit | 9446d15bf5046f6c425276f6112eb416f13214a0 (patch) | |
| tree | aeb4a7e63d667fc2d2252218f09ae840a3046580 | |
| parent | 926bf5d72726506433072f19f7a994c972a0e7b0 (diff) | |
| download | FreeBSD-src-9446d15bf5046f6c425276f6112eb416f13214a0.zip FreeBSD-src-9446d15bf5046f6c425276f6112eb416f13214a0.tar.gz | |
MFC r258634: MFV r258376: 3964 L2ARC should always compress metadata buffers
3 files changed, 6 insertions, 2 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dbuf.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dbuf.h index 118310b..b8f5eeb 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dbuf.h +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dbuf.h @@ -329,7 +329,8 @@ boolean_t dbuf_is_metadata(dmu_buf_impl_t *db); ((_db)->db_objset->os_secondary_cache == ZFS_CACHE_METADATA))) #define DBUF_IS_L2COMPRESSIBLE(_db) \ - ((_db)->db_objset->os_compress != ZIO_COMPRESS_OFF) + ((_db)->db_objset->os_compress != ZIO_COMPRESS_OFF || \ + (dbuf_is_metadata(_db) && zfs_mdcomp_disable == B_FALSE)) #ifdef ZFS_DEBUG diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu.h index dbbdf29..973faf7 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu.h +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu.h @@ -24,6 +24,7 @@ * Copyright (c) 2013 by Delphix. All rights reserved. * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright 2013 DEY Storage Systems, Inc. */ /* Portions Copyright 2010 Robert Milkowski */ @@ -807,6 +808,8 @@ int dmu_diff(const char *tosnap_name, const char *fromsnap_name, #define ZFS_CRC64_POLY 0xC96C5795D7870F42ULL /* ECMA-182, reflected form */ extern uint64_t zfs_crc64_table[256]; +extern int zfs_mdcomp_disable; + #ifdef __cplusplus } #endif diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu_objset.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu_objset.h index f1f5ac2..df8f031 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu_objset.h +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/dmu_objset.h @@ -130,7 +130,7 @@ struct objset { ((os)->os_secondary_cache == ZFS_CACHE_ALL || \ (os)->os_secondary_cache == ZFS_CACHE_METADATA) -#define DMU_OS_IS_L2COMPRESSIBLE(os) ((os)->os_compress != ZIO_COMPRESS_OFF) +#define DMU_OS_IS_L2COMPRESSIBLE(os) (zfs_mdcomp_disable == B_FALSE) /* called from zpl */ int dmu_objset_hold(const char *name, void *tag, objset_t **osp); |
