diff options
| author | mm <mm@FreeBSD.org> | 2013-03-19 12:51:18 +0000 |
|---|---|---|
| committer | mm <mm@FreeBSD.org> | 2013-03-19 12:51:18 +0000 |
| commit | 7c87858955593be19a80e57b7353b09f5587ae9b (patch) | |
| tree | 68fb8eac18f4259926de9bd4d4ecba5b46b638c3 /sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c | |
| parent | c94cc27299ba2ab2acf00ca31ec90c92a37b16f7 (diff) | |
| parent | 09a831de87c71a9f94f38dbd36b73746467e3182 (diff) | |
| download | FreeBSD-src-7c87858955593be19a80e57b7353b09f5587ae9b.zip FreeBSD-src-7c87858955593be19a80e57b7353b09f5587ae9b.tar.gz | |
MFV r247580:
Merge synctask code restructuring from vendor.
Modify forward and backward compatibility to support new change.
Illumos ZFS issues:
3464 zfs synctask code needs restructuring
Sponsored by: Hybrid Logic Ltd.
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c index 0fd0101..85f9e5b 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dnode.c @@ -74,7 +74,11 @@ dnode_cons(void *arg, void *unused, int kmflag) mutex_init(&dn->dn_dbufs_mtx, NULL, MUTEX_DEFAULT, NULL); cv_init(&dn->dn_notxholds, NULL, CV_DEFAULT, NULL); - refcount_create(&dn->dn_holds); + /* + * Every dbuf has a reference, and dropping a tracked reference is + * O(number of references), so don't track dn_holds. + */ + refcount_create_untracked(&dn->dn_holds); refcount_create(&dn->dn_tx_holds); list_link_init(&dn->dn_link); |
