X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fmdadm.git;a=blobdiff_plain;f=Examine.c;h=7013480d6dd80846cc2f464d3ba23c9e8e21284d;hp=b5316b9169149c48d47fb9516925f0dfa67869c8;hb=b06815989179e0f153e44e4336290e655edce9a1;hpb=68c7d6d790f856b4e8301d0afa7fc6873a0d4bb8

diff --git a/Examine.c b/Examine.c
index b5316b91..7013480d 100644
--- a/Examine.c
+++ b/Examine.c
@@ -1,7 +1,7 @@
 /*
  * mdadm - manage Linux "md" devices aka RAID arrays.
  *
- * Copyright (C) 2001-2006 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de>
  *
  *
  *    This program is free software; you can redistribute it and/or modify
@@ -19,12 +19,7 @@
  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  *    Author: Neil Brown
- *    Email: <neilb@cse.unsw.edu.au>
- *    Paper: Neil Brown
- *           School of Computer Science and Engineering
- *           The University of New South Wales
- *           Sydney, 2052
- *           Australia
+ *    Email: <neilb@suse.de>
  */
 
 #include	"mdadm.h"
@@ -35,9 +30,9 @@
 #endif
 #include	"md_u.h"
 #include	"md_p.h"
-int Examine(mddev_dev_t devlist, int brief, int scan,
-	    int SparcAdjust, struct supertype *forcest,
-	    char *homehost)
+int Examine(struct mddev_dev *devlist,
+	    struct context *c,
+	    struct supertype *forcest)
 {
 
 	/* Read the raid superblock from a device and
@@ -52,16 +47,14 @@ int Examine(mddev_dev_t devlist, int brief, int scan,
 	 *
 	 *   utime, state etc
 	 *
-	 * If (brief) gather devices for same array and just print a mdadm.conf line including devices=
+	 * If (brief) gather devices for same array and just print a mdadm.conf
+	 * line including devices=
 	 * if devlist==NULL, use conf_get_devs()
 	 */
 	int fd;
-	void *super = NULL;
 	int rv = 0;
-	int err = 0;
 
 	struct array {
-		void *super;
 		struct supertype *st;
 		struct mdinfo info;
 		void *devs;
@@ -69,89 +62,167 @@ int Examine(mddev_dev_t devlist, int brief, int scan,
 		int spares;
 	} *arrays = NULL;
 
-	for (; devlist ; devlist=devlist->next) {
-		struct supertype *st = forcest;
+	for (; devlist ; devlist = devlist->next) {
+		struct supertype *st;
+		int have_container = 0;
+		int err = 0;
+		int container = 0;
 
 		fd = dev_open(devlist->devname, O_RDONLY);
 		if (fd < 0) {
-			if (!scan) {
-				fprintf(stderr,Name ": cannot open %s: %s\n",
-					devlist->devname, strerror(errno));
+			if (!c->scan) {
+				pr_err("cannot open %s: %s\n",
+				       devlist->devname, strerror(errno));
 				rv = 1;
 			}
-			err = 1;
+			continue;
 		}
-		else {
-			if (!st)
-				st = guess_super(fd);
-			if (st)
-				err = st->ss->load_super(st, fd, &super, (brief||scan)?NULL:devlist->devname);
-			else {
-				if (!brief) {
-					fprintf(stderr, Name ": No md superblock detected on %s.\n", devlist->devname);
-					rv = 1;
-				}
-				err = 1;
+
+		if (forcest)
+			st = dup_super(forcest);
+		else if (must_be_container(fd)) {
+			/* might be a container */
+			st = super_by_fd(fd, NULL);
+			container = 1;
+		} else
+			st = guess_super(fd);
+		if (st) {
+			err = 1;
+			st->ignore_hw_compat = 1;
+			if (!container)
+				err = st->ss->load_super(st, fd,
+							 (c->brief||c->scan) ? NULL
+							 :devlist->devname);
+			if (err && st->ss->load_container) {
+				err = st->ss->load_container(st, fd,
+							     (c->brief||c->scan) ? NULL
+							     :devlist->devname);
+				if (!err)
+					have_container = 1;
 			}
-			close(fd);
+			st->ignore_hw_compat = 0;
+		} else {
+			if (!c->brief) {
+				pr_err("No md superblock detected on %s.\n", devlist->devname);
+				rv = 1;
+			}
+			err = 1;
 		}
-		if (err)
+		close(fd);
+
+		if (err) {
+			if (st)
+				st->ss->free_super(st);
 			continue;
+		}
 
-		if (SparcAdjust)
-			st->ss->update_super(st, NULL, super, "sparc2.2",
+		if (c->SparcAdjust)
+			st->ss->update_super(st, NULL, "sparc2.2",
 					     devlist->devname, 0, 0, NULL);
 		/* Ok, its good enough to try, though the checksum could be wrong */
-		if (brief) {
+
+		if (c->brief && st->ss->brief_examine_super == NULL) {
+			if (!c->scan)
+				pr_err("No brief listing for %s on %s\n",
+				       st->ss->name, devlist->devname);
+		} else if (c->brief) {
 			struct array *ap;
 			char *d;
-			for (ap=arrays; ap; ap=ap->next) {
+			for (ap = arrays; ap; ap = ap->next) {
 				if (st->ss == ap->st->ss &&
-				    st->ss->compare_super(&ap->super, super)==0)
+				    st->ss->compare_super(ap->st, st) == 0)
 					break;
 			}
 			if (!ap) {
-				ap = malloc(sizeof(*ap));
-				ap->super = super;
+				ap = xmalloc(sizeof(*ap));
 				ap->devs = dl_head();
 				ap->next = arrays;
 				ap->spares = 0;
 				ap->st = st;
 				arrays = ap;
-				st->ss->getinfo_super(st, &ap->info, super);
-			} else {
-				st->ss->getinfo_super(st, &ap->info, super);
-				st->ss->free_super(st, super);
-			}
-			if (!(ap->info.disk.state & MD_DISK_SYNC))
+				st->ss->getinfo_super(st, &ap->info, NULL);
+			} else
+				st->ss->getinfo_super(st, &ap->info, NULL);
+			if (!have_container &&
+			    !(ap->info.disk.state & (1<<MD_DISK_SYNC)))
 				ap->spares++;
 			d = dl_strdup(devlist->devname);
 			dl_add(ap->devs, d);
+		} else if (c->export) {
+			if (st->ss->export_examine_super)
+				st->ss->export_examine_super(st);
+			st->ss->free_super(st);
 		} else {
 			printf("%s:\n",devlist->devname);
-			st->ss->examine_super(st, super, homehost);
-			st->ss->free_super(st, super);
+			st->ss->examine_super(st, c->homehost);
+			st->ss->free_super(st);
 		}
 	}
-	if (brief) {
+	if (c->brief) {
 		struct array *ap;
-		for (ap=arrays; ap; ap=ap->next) {
+		for (ap = arrays; ap; ap = ap->next) {
 			char sep='=';
 			char *d;
-			ap->st->ss->brief_examine_super(ap->st, ap->super);
-			if (ap->spares) printf("   spares=%d", ap->spares);
-			if (brief > 1) {
-				printf("   devices");
-				for (d=dl_next(ap->devs); d!= ap->devs; d=dl_next(d)) {
+			int newline = 0;
+
+			ap->st->ss->brief_examine_super(ap->st, c->verbose > 0);
+			if (ap->spares)
+				newline += printf("   spares=%d", ap->spares);
+			if (c->verbose > 0) {
+				newline += printf("   devices");
+				for (d = dl_next(ap->devs);
+				     d != ap->devs;
+				     d=dl_next(d)) {
 					printf("%c%s", sep, d);
 					sep=',';
 				}
 			}
-			ap->st->ss->free_super(ap->st, ap->super);
+			if (ap->st->ss->brief_examine_subarrays) {
+				if (newline)
+					printf("\n");
+				ap->st->ss->brief_examine_subarrays(ap->st, c->verbose);
+			}
+			ap->st->ss->free_super(ap->st);
 			/* FIXME free ap */
-			if (ap->spares || brief > 1)
+			if (ap->spares || c->verbose > 0)
 				printf("\n");
 		}
 	}
 	return rv;
 }
+
+int ExamineBadblocks(char *devname, int brief, struct supertype *forcest)
+{
+	int fd = dev_open(devname, O_RDONLY);
+	struct supertype *st = forcest;
+	int err = 1;
+
+	if (fd < 0) {
+		pr_err("cannot open %s: %s\n", devname, strerror(errno));
+		return 1;
+	}
+	if (!st)
+		st = guess_super(fd);
+	if (!st) {
+		if (!brief)
+			pr_err("No md superblock detected on %s\n", devname);
+		goto out;
+	}
+	if (!st->ss->examine_badblocks) {
+		pr_err("%s metadata does not support badblocks\n", st->ss->name);
+		goto out;
+	}
+	err = st->ss->load_super(st, fd, brief ? NULL : devname);
+	if (err)
+		goto out;
+	err = st->ss->examine_badblocks(st, fd, devname);
+
+out:
+	if (fd >= 0)
+		close(fd);
+	if (st) {
+		st->ss->free_super(st);
+		free(st);
+	}
+	return err;
+}