Date: Tue, 13 Mar 2018 01:19:07 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r330824 - stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs Message-ID: <201803130119.w2D1J7sn048777@repo.freebsd.org>
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Author: mav Date: Tue Mar 13 01:19:07 2018 New Revision: 330824 URL: https://svnweb.freebsd.org/changeset/base/330824 Log: MFC r330048: Add sysctls/tunables for dbuf cache size. Modified: stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c ============================================================================== --- stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Tue Mar 13 00:40:05 2018 (r330823) +++ stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dbuf.c Tue Mar 13 01:19:07 2018 (r330824) @@ -133,6 +133,16 @@ int dbuf_cache_max_shift = 5; uint_t dbuf_cache_hiwater_pct = 10; uint_t dbuf_cache_lowater_pct = 10; +SYSCTL_DECL(_vfs_zfs); +SYSCTL_QUAD(_vfs_zfs, OID_AUTO, dbuf_cache_max_bytes, CTLFLAG_RWTUN, + &dbuf_cache_max_bytes, 0, "dbuf cache size in bytes"); +SYSCTL_INT(_vfs_zfs, OID_AUTO, dbuf_cache_max_shift, CTLFLAG_RDTUN, + &dbuf_cache_max_shift, 0, "dbuf size as log2 fraction of ARC"); +SYSCTL_UINT(_vfs_zfs, OID_AUTO, dbuf_cache_hiwater_pct, CTLFLAG_RWTUN, + &dbuf_cache_hiwater_pct, 0, "max percents above the dbuf cache size"); +SYSCTL_UINT(_vfs_zfs, OID_AUTO, dbuf_cache_lowater_pct, CTLFLAG_RWTUN, + &dbuf_cache_lowater_pct, 0, "max percents below the dbuf cache size"); + /* ARGSUSED */ static int dbuf_cons(void *vdb, void *unused, int kmflag)
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