X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Fdmu.c;h=1d4d1257d54e8b8bfdc51c9a9bc29ba5e333e74b;hb=95fd8c9a7f979e4c4941d329e6457cc84a81edfa;hp=04b02c7d22cb876cac28350176e795d9661d2dba;hpb=4db77a74a6a26c57a04f98c4a23b9fda9319ba9f;p=zfs.git

diff --git a/module/zfs/dmu.c b/module/zfs/dmu.c
index 04b02c7..1d4d125 100644
--- a/module/zfs/dmu.c
+++ b/module/zfs/dmu.c
@@ -381,7 +381,7 @@ dmu_buf_hold_array_by_dnode(dnode_t *dn, uint64_t offset, uint64_t length,
 		}
 		nblks = 1;
 	}
-	dbp = kmem_zalloc(sizeof (dmu_buf_t *) * nblks, KM_SLEEP | KM_NODEBUG);
+	dbp = kmem_zalloc(sizeof (dmu_buf_t *) * nblks, KM_PUSHPAGE | KM_NODEBUG);
 
 	if (dn->dn_objset->os_dsl_dataset)
 		dp = dn->dn_objset->os_dsl_dataset->ds_dir->dd_pool;
@@ -863,11 +863,11 @@ dmu_xuio_init(xuio_t *xuio, int nblk)
 	uio_t *uio = &xuio->xu_uio;
 
 	uio->uio_iovcnt = nblk;
-	uio->uio_iov = kmem_zalloc(nblk * sizeof (iovec_t), KM_SLEEP);
+	uio->uio_iov = kmem_zalloc(nblk * sizeof (iovec_t), KM_PUSHPAGE);
 
-	priv = kmem_zalloc(sizeof (dmu_xuio_t), KM_SLEEP);
+	priv = kmem_zalloc(sizeof (dmu_xuio_t), KM_PUSHPAGE);
 	priv->cnt = nblk;
-	priv->bufs = kmem_zalloc(nblk * sizeof (arc_buf_t *), KM_SLEEP);
+	priv->bufs = kmem_zalloc(nblk * sizeof (arc_buf_t *), KM_PUSHPAGE);
 	priv->iovp = uio->uio_iov;
 	XUIO_XUZC_PRIV(xuio) = priv;
 
@@ -1431,7 +1431,7 @@ dmu_sync_late_arrival(zio_t *pio, objset_t *os, dmu_sync_cb_t *done, zgd_t *zgd,
 		return (EIO);	/* Make zl_get_data do txg_waited_synced() */
 	}
 
-	dsa = kmem_alloc(sizeof (dmu_sync_arg_t), KM_SLEEP);
+	dsa = kmem_alloc(sizeof (dmu_sync_arg_t), KM_PUSHPAGE);
 	dsa->dsa_dr = NULL;
 	dsa->dsa_done = done;
 	dsa->dsa_zgd = zgd;
@@ -1555,7 +1555,7 @@ dmu_sync(zio_t *pio, uint64_t txg, dmu_sync_cb_t *done, zgd_t *zgd)
 	dr->dt.dl.dr_override_state = DR_IN_DMU_SYNC;
 	mutex_exit(&db->db_mtx);
 
-	dsa = kmem_alloc(sizeof (dmu_sync_arg_t), KM_SLEEP);
+	dsa = kmem_alloc(sizeof (dmu_sync_arg_t), KM_PUSHPAGE);
 	dsa->dsa_dr = dr;
 	dsa->dsa_done = done;
 	dsa->dsa_zgd = zgd;
@@ -1861,6 +1861,7 @@ dmu_init(void)
 	dnode_init();
 	dbuf_init();
 	zfetch_init();
+	dmu_tx_init();
 	arc_init();
 	l2arc_init();
 }
@@ -1870,6 +1871,7 @@ dmu_fini(void)
 {
 	l2arc_fini();
 	arc_fini();
+	dmu_tx_fini();
 	zfetch_fini();
 	dbuf_fini();
 	dnode_fini();
@@ -1881,19 +1883,24 @@ dmu_fini(void)
 
 #if defined(_KERNEL) && defined(HAVE_SPL)
 EXPORT_SYMBOL(dmu_bonus_hold);
+EXPORT_SYMBOL(dmu_buf_hold_array_by_bonus);
+EXPORT_SYMBOL(dmu_buf_rele_array);
 EXPORT_SYMBOL(dmu_free_range);
 EXPORT_SYMBOL(dmu_read);
 EXPORT_SYMBOL(dmu_write);
-
-/* Get information on a DMU object. */
 EXPORT_SYMBOL(dmu_object_info);
 EXPORT_SYMBOL(dmu_object_info_from_dnode);
 EXPORT_SYMBOL(dmu_object_info_from_db);
 EXPORT_SYMBOL(dmu_object_size_from_db);
-
 EXPORT_SYMBOL(dmu_object_set_blocksize);
 EXPORT_SYMBOL(dmu_object_set_checksum);
 EXPORT_SYMBOL(dmu_object_set_compress);
-
+EXPORT_SYMBOL(dmu_request_arcbuf);
+EXPORT_SYMBOL(dmu_return_arcbuf);
+EXPORT_SYMBOL(dmu_assign_arcbuf);
+EXPORT_SYMBOL(dmu_buf_hold);
 EXPORT_SYMBOL(dmu_ot);
+
+module_param(zfs_mdcomp_disable, int, 0644);
+MODULE_PARM_DESC(zfs_mdcomp_disable, "Disable meta data compression");
 #endif