Author: avg
Date: Tue Sep 21 05:58:45 2010
New Revision: 212951
URL: http://svn.freebsd.org/changeset/base/212951
Log:
zfs_map_page/zfs_unmap_page: do not use sched_pin() and SFB_CPUPRIVATE
zfs_map_page/zfs_unmap_page are mostly called around potential I/O paths
and it seems to be a not very good idea to do cpu pinning there.
Suggested by: kib
MFC after: 2 weeks
Modified:
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Tue Sep
21 05:54:36 2010 (r212950)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Tue Sep
21 05:58:45 2010 (r212951)
@@ -358,8 +358,7 @@ static caddr_t
zfs_map_page(vm_page_t pp, struct sf_buf **sfp)
{
- sched_pin();
- *sfp = sf_buf_alloc(pp, SFB_CPUPRIVATE);
+ *sfp = sf_buf_alloc(pp, 0);
return ((caddr_t)sf_buf_kva(*sfp));
}
@@ -368,7 +367,6 @@ zfs_unmap_page(struct sf_buf *sf)
{
sf_buf_free(sf);
- sched_unpin();
}
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
