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NEX-9200 Improve the scalability of attribute locking in zfs_zget
Reviewed by: Joyce McIntosh <joyce.mcintosh@nexenta.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
6385 Fix unlocking order in zfs_zget
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Andriy Gapon <avg@freebsd.org>
Approved by: Robert Mustacchi <rm@joyent.com>
5961 Fix stack overflow in zfs_create_fs
Reviewed by: George Wilson <george@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Dan McDonald <danmcd@omniti.com>
4370 avoid transmitting holes during zfs send
4371 DMU code clean up
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Garrett D'Amore <garrett@damore.org>
@@ -1747,10 +1747,11 @@
uint64_t sense = ZFS_CASE_SENSITIVE;
uint64_t norm = 0;
nvpair_t *elem;
int error;
int i;
+ int size = spa_get_obj_mtx_sz(dmu_objset_spa(os));
znode_t *rootzp = NULL;
zfsvfs_t *zfsvfs;
vnode_t *vp;
vattr_t vattr;
znode_t *zp;
@@ -1859,11 +1860,13 @@
mutex_init(&zfsvfs->z_znodes_lock, NULL, MUTEX_DEFAULT, NULL);
list_create(&zfsvfs->z_all_znodes, sizeof (znode_t),
offsetof(znode_t, z_link_node));
- for (i = 0; i != ZFS_OBJ_MTX_SZ; i++)
+ zfsvfs->z_hold_mtx_sz = size;
+ zfsvfs->z_hold_mtx = kmem_zalloc(sizeof (kmutex_t) * size, KM_SLEEP);
+ for (i = 0; i != size; i++)
mutex_init(&zfsvfs->z_hold_mtx[i], NULL, MUTEX_DEFAULT, NULL);
rootzp->z_zfsvfs = zfsvfs;
VERIFY(0 == zfs_acl_ids_create(rootzp, IS_ROOT_NODE, &vattr,
cr, NULL, &acl_ids));
@@ -1885,12 +1888,14 @@
error = zfs_create_share_dir(zfsvfs, tx);
ASSERT(error == 0);
- for (i = 0; i != ZFS_OBJ_MTX_SZ; i++)
+ for (i = 0; i != size; i++)
mutex_destroy(&zfsvfs->z_hold_mtx[i]);
+
+ kmem_free(zfsvfs->z_hold_mtx, sizeof (kmutex_t) * size);
kmem_free(zfsvfs, sizeof (zfsvfs_t));
}
#endif /* _KERNEL */