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| author | Xin LI <delphij@FreeBSD.org> | 2014-11-18 18:40:01 +0000 |
|---|---|---|
| committer | Xin LI <delphij@FreeBSD.org> | 2014-11-18 18:40:01 +0000 |
| commit | 18144ab1a3bb5f46ce588b1ec923a68f9550b460 (patch) | |
| tree | 34efb0b67bcca3ee79ce8fe786bc7e7befd3f0b9 /sys | |
| parent | c600d3070d13cc8b132fefbc284b60cfd20db2b1 (diff) | |
| download | src-18144ab1a3bb5f46ce588b1ec923a68f9550b460.tar.gz src-18144ab1a3bb5f46ce588b1ec923a68f9550b460.zip | |
Allow tuning zfs_max_recordsize via loader tunable. Tuning is NOT
recommended.
Requested by: Slawa Olhovchenkov <slw zxy spb ru>
MFC after: 2 weeks
Notes
Notes:
svn path=/head/; revision=274673
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dataset.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dataset.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dataset.c index 8ac29d612161..c0919398f9ae 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dataset.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dataset.c @@ -51,6 +51,8 @@ #include <sys/dsl_userhold.h> #include <sys/dsl_bookmark.h> +SYSCTL_DECL(_vfs_zfs); + /* * The SPA supports block sizes up to 16MB. However, very large blocks * can have an impact on i/o latency (e.g. tying up a spinning disk for @@ -61,6 +63,9 @@ * of this setting. */ int zfs_max_recordsize = 1 * 1024 * 1024; +SYSCTL_INT(_vfs_zfs, OID_AUTO, max_recordsize, CTLFLAG_RDTUN, + &zfs_max_recordsize, 0, + "Maximum block size. Expect dragons when tuning this."); #define SWITCH64(x, y) \ { \ |