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Illumos #3964 L2ARC should always compress metadata buffers

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3964 L2ARC should always compress metadata buffers
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>

References:
  https://www.illumos.org/issues/3964

Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1379
This commit is contained in:
Saso Kiselkov
2013-08-08 13:33:18 -07:00
committed by Brian Behlendorf
parent 3a17a7a99a
commit 4e59f47511
3 changed files with 5 additions and 2 deletions
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include/sys/dbuf.h
+2 -1
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@@ -324,7 +324,8 @@ 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