diff options
| author | Matthew Ahrens <[email protected]> | 2013-09-04 07:00:57 -0500 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2013-09-04 16:01:24 -0700 |
| commit | 13fe019870c8779bf2f5b3ff731b512cf89133ef (patch) | |
| tree | 67a9c6989bcb7c2ca6d0455c14713bcbf1899da6 /module/zfs/dnode.c | |
| parent | 6f1ffb06655008c9b519108ed29fbf03acd6e5de (diff) | |
Illumos #3464
3464 zfs synctask code needs restructuring
Reviewed by: Dan Kimmel <[email protected]>
Reviewed by: Adam Leventhal <[email protected]>
Reviewed by: George Wilson <[email protected]>
Reviewed by: Christopher Siden <[email protected]>
Approved by: Garrett D'Amore <[email protected]>
References:
https://www.illumos.org/issues/3464
illumos/illumos-gate@3b2aab18808792cbd248a12f1edf139b89833c13
Ported-by: Tim Chase <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #1495
Diffstat (limited to 'module/zfs/dnode.c')
| -rw-r--r-- | module/zfs/dnode.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/module/zfs/dnode.c b/module/zfs/dnode.c index d8d66513d..d88134d72 100644 --- a/module/zfs/dnode.c +++ b/module/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); |