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Add loader(8) tunable to enable/disable nopwrite functionality:

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vfs.zfs.nopwrite_enabled

MFC after:	2 weeks
This commit is contained in:
Martin Matuska 2012-11-25 16:54:43 +00:00
parent dd801aa546
commit 53e5858c68
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=243525
1 changed files with 4 additions and 1 deletions
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5
sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu.c
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@ -50,6 +50,10 @@
* Enable/disable nopwrite feature.
*/
int zfs_nopwrite_enabled = 1;
SYSCTL_DECL(_vfs_zfs);
TUNABLE_INT("vfs.zfs.nopwrite_enabled", &zfs_nopwrite_enabled);
SYSCTL_INT(_vfs_zfs, OID_AUTO, nopwrite_enabled, CTLFLAG_RDTUN,
&zfs_nopwrite_enabled, 0, "Enable nopwrite feature");
const dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES] = {
{ DMU_BSWAP_UINT8, TRUE, "unallocated" },
@ -1562,7 +1566,6 @@ dmu_object_set_compress(objset_t *os, uint64_t object, uint8_t compress,
int zfs_mdcomp_disable = 0;
TUNABLE_INT("vfs.zfs.mdcomp_disable", &zfs_mdcomp_disable);
SYSCTL_DECL(_vfs_zfs);
SYSCTL_INT(_vfs_zfs, OID_AUTO, mdcomp_disable, CTLFLAG_RW,
&zfs_mdcomp_disable, 0, "Disable metadata compression");