X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Fzfs_vfsops.c;h=175dca821462d384530bb8648d5dd5ca6c75509d;hb=72938d6905d9dcd60f7a5ff68ae469e74c248228;hp=998cfde32fc716ab94107a709a85ab18af3891e6;hpb=1f0d8a566f0251ff9404b98233ae8d5406c6d308;p=zfs.git

diff --git a/module/zfs/zfs_vfsops.c b/module/zfs/zfs_vfsops.c
index 998cfde..175dca8 100644
--- a/module/zfs/zfs_vfsops.c
+++ b/module/zfs/zfs_vfsops.c
@@ -584,7 +584,7 @@ zfs_sb_create(const char *osname, zfs_sb_t **zsbp)
 	int i, error;
 	uint64_t sa_obj;
 
-	zsb = kmem_zalloc(sizeof (zfs_sb_t), KM_SLEEP);
+	zsb = kmem_zalloc(sizeof (zfs_sb_t), KM_SLEEP | KM_NODEBUG);
 
 	/*
 	 * We claim to always be readonly so we can open snapshots;
@@ -920,6 +920,7 @@ zfs_statvfs(struct dentry *dentry, struct kstatfs *statp)
 {
 	zfs_sb_t *zsb = dentry->d_sb->s_fs_info;
 	uint64_t refdbytes, availbytes, usedobjs, availobjs;
+	uint64_t fsid;
 	uint32_t bshift;
 
 	ZFS_ENTER(zsb);
@@ -927,6 +928,7 @@ zfs_statvfs(struct dentry *dentry, struct kstatfs *statp)
 	dmu_objset_space(zsb->z_os,
 	    &refdbytes, &availbytes, &usedobjs, &availobjs);
 
+	fsid = dmu_objset_fsid_guid(zsb->z_os);
 	/*
 	 * The underlying storage pool actually uses multiple block
 	 * size.  Under Solaris frsize (fragment size) is reported as
@@ -960,8 +962,8 @@ zfs_statvfs(struct dentry *dentry, struct kstatfs *statp)
 	 */
 	statp->f_ffree = MIN(availobjs, availbytes >> DNODE_SHIFT);
 	statp->f_files = statp->f_ffree + usedobjs;
-	statp->f_fsid.val[0] = dentry->d_sb->s_dev;
-	statp->f_fsid.val[1] = 0;
+	statp->f_fsid.val[0] = (uint32_t)fsid;
+	statp->f_fsid.val[1] = (uint32_t)(fsid >> 32);
 	statp->f_type = ZFS_SUPER_MAGIC;
 	statp->f_namelen = ZFS_MAXNAMELEN;
 
@@ -1039,12 +1041,6 @@ zfs_sb_teardown(zfs_sb_t *zsb, boolean_t unmounting)
 	}
 
 	/*
-	 * Drain the iput_taskq to ensure all active references to the
-	 * zfs_sb_t have been handled only then can it be safely destroyed.
-	 */
-	taskq_wait(dsl_pool_iput_taskq(dmu_objset_pool(zsb->z_os)));
-
-	/*
 	 * Close the zil. NB: Can't close the zil while zfs_inactive
 	 * threads are blocked as zil_close can call zfs_inactive.
 	 */
@@ -1110,9 +1106,9 @@ zfs_sb_teardown(zfs_sb_t *zsb, boolean_t unmounting)
 	/*
 	 * Evict cached data
 	 */
-	if (dmu_objset_is_dirty_anywhere(zsb->z_os))
-		if (!zfs_is_readonly(zsb))
-			txg_wait_synced(dmu_objset_pool(zsb->z_os), 0);
+	if (dsl_dataset_is_dirty(dmu_objset_ds(zsb->z_os)) &&
+	    !zfs_is_readonly(zsb))
+		txg_wait_synced(dmu_objset_pool(zsb->z_os), 0);
 	(void) dmu_objset_evict_dbufs(zsb->z_os);
 
 	return (0);
@@ -1200,7 +1196,7 @@ zfs_domount(struct super_block *sb, void *data, int silent)
 	}
 
 	/* Allocate a root dentry for the filesystem */
-	sb->s_root = d_alloc_root(root_inode);
+	sb->s_root = d_make_root(root_inode);
 	if (sb->s_root == NULL) {
 		(void) zfs_umount(sb);
 		error = ENOMEM;