Merge branch 'linux-user-disk' into refs/top-bases/linux-zfs-branch

cmd/zdb/zdb.c

@@ -55,7 +55,6 @@
 #include <sys/arc.h>
 #include <sys/ddt.h>
 #undef ZFS_MAXNAMELEN
-#undef verify
 #include <libzfs.h>
 
 #define	ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \

cmd/zfs/zfs_main.c

@@ -311,6 +311,7 @@ safe_malloc(size_t size)
 	return (data);
 }
 
+#ifdef HAVE_ZPL
 static char *
 safe_strdup(char *str)
 {
@@ -321,6 +322,7 @@ safe_strdup(char *str)
 
 	return (dupstr);
 }
+#endif /* HAVE_ZPL */
 
 /*
  * Callback routine that will print out information for each of
@@ -488,6 +490,7 @@ parse_depth(char *opt, int *flags)
 
 #define	PROGRESS_DELAY 2		/* seconds */
 
+#ifdef HAVE_ZPL
 static char *pt_reverse = "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b";
 static time_t pt_begin;
 static char *pt_header = NULL;
@@ -539,6 +542,8 @@ finish_progress(char *done)
 	free(pt_header);
 	pt_header = NULL;
 }
+#endif /* HAVE_ZPL */
+
 /*
  * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
  *

cmd/zpool/zpool_main.c

@@ -1598,7 +1598,7 @@ do_import(nvlist_t *config, const char *newname, const char *mntopts,
  *	 -c	Read pool information from a cachefile instead of searching
  *		devices.
  *
- *       -d	Scan in a specific directory, other than /dev/dsk.  More than
+ *       -d	Scan in a specific directory, other than /dev/.  More than
  *		one directory can be specified using multiple '-d' options.
  *
  *       -D     Scan for previously destroyed pools or import all or only
@@ -1757,12 +1757,6 @@ zpool_do_import(int argc, char **argv)
 	    nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0)
 		goto error;
 
-	if (searchdirs == NULL) {
-		searchdirs = safe_malloc(sizeof (char *));
-		searchdirs[0] = "/dev/dsk";
-		nsearch = 1;
-	}
-
 	/* check argument count */
 	if (do_all) {
 		if (argc != 0) {

cmd/ztest/ztest.c

@@ -1042,6 +1042,7 @@ ztest_pattern_set(void *buf, uint64_t size, uint64_t value)
 		*ip++ = value;
 }
 
+#ifndef NDEBUG
 static boolean_t
 ztest_pattern_match(void *buf, uint64_t size, uint64_t value)
 {
@@ -1054,6 +1055,7 @@ ztest_pattern_match(void *buf, uint64_t size, uint64_t value)
 
 	return (diff == 0);
 }
+#endif
 
 static void
 ztest_bt_generate(ztest_block_tag_t *bt, objset_t *os, uint64_t object,
@@ -4770,7 +4772,6 @@ ztest_run_zdb(char *pool)
 	    bin,
 	    zopt_verbose >= 3 ? "s" : "",
 	    zopt_verbose >= 4 ? "v" : "",
-	    spa_config_path,
 	    pool);
 
 	if (zopt_verbose >= 5)

lib/libzfs/libzfs_import.c

@@ -53,7 +53,6 @@
 #include <sys/vtoc.h>
 #include <sys/dktp/fdisk.h>
 #include <sys/efi_partition.h>
-#include <thread_pool.h>
 
 #include <sys/vdev_impl.h>
 #ifdef HAVE_LIBBLKID
@@ -1004,13 +1003,10 @@ zpool_find_import_impl(libzfs_handle_t *hdl, importargs_t *iarg)
 	vdev_entry_t *ve, *venext;
 	config_entry_t *ce, *cenext;
 	name_entry_t *ne, *nenext;
-	avl_tree_t slice_cache;
-	rdsk_node_t *slice;
-	void *cookie;
 
-	verify(poolname == NULL || guid == 0);
+	verify(iarg->poolname == NULL || iarg->guid == 0);
 
-	if (argc == 0) {
+	if (dirs == 0) {
 #ifdef HAVE_LIBBLKID
 		/* Use libblkid to scan all device for their type */
 		if (zpool_find_import_blkid(hdl, &pools) == 0)
@@ -1020,8 +1016,8 @@ zpool_find_import_impl(libzfs_handle_t *hdl, importargs_t *iarg)
 		    dgettext(TEXT_DOMAIN, "blkid failure falling back "
 		    "to manual probing"));
 #endif /* HAVE_LIBBLKID */
-		argc = 1;
-		argv = &default_dir;
+		dirs = 1;
+		dir = &default_dir;
 	}
 
 	/*
@@ -1030,7 +1026,6 @@ zpool_find_import_impl(libzfs_handle_t *hdl, importargs_t *iarg)
 	 * and toplevel GUID.
 	 */
 	for (i = 0; i < dirs; i++) {
-		tpool_t *t;
 		char *rdsk;
 		int dfd;
 
@@ -1064,8 +1059,6 @@ zpool_find_import_impl(libzfs_handle_t *hdl, importargs_t *iarg)
 			goto error;
 		}
 
-		avl_create(&slice_cache, slice_cache_compare,
-		    sizeof (rdsk_node_t), offsetof(rdsk_node_t, rn_node));
 		/*
 		 * This is not MT-safe, but we have no MT consumers of libzfs
 		 */
@@ -1076,11 +1069,23 @@ zpool_find_import_impl(libzfs_handle_t *hdl, importargs_t *iarg)
 				continue;
 
 			/*
-			 * Do not open /dev/watchdog to stat it because
-			 * it requires a special close or the watchdog
-			 * with be triggered and the system reset.
+			 * Skip checking devices with well known prefixes:
+			 * watchdog - A special close is required to avoid
+			 *            triggering it and resetting the system.
+			 * fuse     - Fuse control device.
+			 * ppp      - Generic PPP driver.
+			 * tty*     - Generic serial interface.
+			 * vcs*     - Virtual console memory.
+			 * parport* - Parallel port interface.
+			 * lp*      - Printer interface.
 			 */
-			if (strcmp(name, "watchdog") == 0)
+			if ((strncmp(name, "watchdog", 8) == 0) ||
+			    (strncmp(name, "fuse", 4) == 0)     ||
+			    (strncmp(name, "ppp", 3) == 0)      ||
+			    (strncmp(name, "tty", 3) == 0)      ||
+			    (strncmp(name, "vcs", 3) == 0)      ||
+			    (strncmp(name, "parport", 7) == 0)  ||
+			    (strncmp(name, "lp", 2) == 0))
 				continue;
 
 			if ((fd = openat64(dfd, name, O_RDONLY)) < 0)
@@ -1129,14 +1134,11 @@ zpool_find_import_impl(libzfs_handle_t *hdl, importargs_t *iarg)
 					continue;
 				}
 				/* use the non-raw path for the config */
-				(void) strlcpy(end, slice->rn_name, pathleft);
+				(void) strlcpy(end, name, pathleft);
 				if (add_config(hdl, &pools, path, config) != 0)
 					goto error;
 			}
-			free(slice->rn_name);
-			free(slice);
 		}
-		avl_destroy(&slice_cache);
 
 		(void) closedir(dirp);
 		dirp = NULL;
@@ -1145,7 +1147,7 @@ zpool_find_import_impl(libzfs_handle_t *hdl, importargs_t *iarg)
 #ifdef HAVE_LIBBLKID
 skip_scanning:
 #endif
-	ret = get_configs(hdl, &pools, active_ok);
+	ret = get_configs(hdl, &pools, iarg->can_be_active);
 
 error:
 	for (pe = pools.pools; pe != NULL; pe = penext) {

module/zfs/sa.c

@@ -1353,6 +1353,7 @@ sa_lookup(sa_handle_t *hdl, sa_attr_type_t attr, void *buf, uint32_t buflen)
 int
 sa_lookup_uio(sa_handle_t *hdl, sa_attr_type_t attr, uio_t *uio)
 {
+#ifdef HAVE_ZPL
 	int error;
 	sa_bulk_attr_t bulk;
 
@@ -1371,7 +1372,9 @@ sa_lookup_uio(sa_handle_t *hdl, sa_attr_type_t attr, uio_t *uio)
 	}
 	mutex_exit(&hdl->sa_lock);
 	return (error);
-
+#else
+	return ENOSYS;
+#endif /* HAVE_ZPL */
 }
 #endif
 

module/zfs/zfs_sa.c

@@ -67,7 +67,7 @@ sa_attr_reg_t zfs_attr_table[ZPL_END+1] = {
 };
 
 #ifdef _KERNEL
-
+#ifdef HAVE_ZPL
 int
 zfs_sa_readlink(znode_t *zp, uio_t *uio)
 {
@@ -309,4 +309,5 @@ zfs_sa_upgrade_txholds(dmu_tx_t *tx, znode_t *zp)
 	}
 }
 
+#endif /* HAVE_ZPL */
 #endif