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Code Issues Releases Activity

Allow tuning zfs_max_recordsize via loader tunable. Tuning is NOT

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recommended.

Requested by:	Slawa Olhovchenkov <slw zxy spb ru>
MFC after:	2 weeks
This commit is contained in:
Xin LI 2014-11-18 18:40:01 +00:00
parent c600d3070d
commit 18144ab1a3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=274673
1 changed files with 5 additions and 0 deletions
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5
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dsl_dataset.c
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@ -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) \
{ \