X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fmdadm.git;a=blobdiff_plain;f=Examine.c;h=ffca9ca5f9d615721b68db3a9af0a1d2eda57788;hp=8081b66079b2d318e105d5976fcd587f045bcb0b;hb=3a3716107b614f679a4ea224e5bb882739d81cf9;hpb=f9ce90ba509d0b624cc38635861b9c27550fbefc

diff --git a/Examine.c b/Examine.c
index 8081b660..ffca9ca5 100644
--- a/Examine.c
+++ b/Examine.c
@@ -1,7 +1,7 @@
 /*
  * mdadm - manage Linux "md" devices aka RAID arrays.
  *
- * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au>
+ * Copyright (C) 2001-2009 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"
@@ -35,7 +30,9 @@
 #endif
 #include	"md_u.h"
 #include	"md_p.h"
-int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust)
+int Examine(struct mddev_dev *devlist, int brief, int export, int scan,
+	    int SparcAdjust, struct supertype *forcest,
+	    char *homehost)
 {
 
 	/* Read the raid superblock from a device and
@@ -51,16 +48,14 @@ int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust)
 	 *   utime, state etc
 	 *
 	 * If (brief) gather devices for same array and just print a mdadm.conf line including devices=
-	 * if devlist==NULL, use conf_get_devs(
+	 * if devlist==NULL, use conf_get_devs()
 	 */
-	int fd; 
-	void *super = NULL;
+	int fd;
 	int rv = 0;
-	int err;
+	int err = 0;
 
 	struct array {
-		void *super;
-		struct superswitch *ss;
+		struct supertype *st;
 		struct mdinfo info;
 		void *devs;
 		struct array *next;
@@ -68,58 +63,92 @@ int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust)
 	} *arrays = NULL;
 
 	for (; devlist ; devlist=devlist->next) {
-		struct superswitch *ss;
+		struct supertype *st;
+		int have_container = 0;
 
-		fd = open(devlist->devname, O_RDONLY);
+		fd = dev_open(devlist->devname, O_RDONLY);
 		if (fd < 0) {
-			if (!scan)
+			if (!scan) {
 				fprintf(stderr,Name ": cannot open %s: %s\n",
 					devlist->devname, strerror(errno));
+				rv = 1;
+			}
 			err = 1;
 		}
 		else {
-			ss = guess_super(fd, devlist->devname);
-			if (ss)
-				err = ss->load_super(fd, &super, (brief||scan)?NULL:devlist->devname);
-			else
+			int container = 0;
+			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;
+				if (!container)
+					err = st->ss->load_super(st, fd,
+								 (brief||scan) ? NULL
+								 :devlist->devname);
+				if (err && st->ss->load_container) {
+					err = st->ss->load_container(st, fd,
+								 (brief||scan) ? NULL
+								 :devlist->devname);
+					if (!err)
+						have_container = 1;
+				}
+			} else {
+				if (!brief) {
+					fprintf(stderr, Name ": No md superblock detected on %s.\n", devlist->devname);
+					rv = 1;
+				}
 				err = 1;
+			}
 			close(fd);
 		}
 		if (err)
 			continue;
-		if (err) rv =1;
 
 		if (SparcAdjust)
-			ss->update_super(NULL, super, "sparc2.2", devlist->devname, 0);
+			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 (brief && st->ss->brief_examine_super == NULL) {
+			if (!scan)
+				fprintf(stderr, Name ": No brief listing for %s on %s\n",
+					st->ss->name, devlist->devname);
+		} else if (brief) {
 			struct array *ap;
 			char *d;
 			for (ap=arrays; ap; ap=ap->next) {
-				if (ss == ap->ss && ss->compare_super(&ap->super, super)==0)
+				if (st->ss == ap->st->ss &&
+				    st->ss->compare_super(ap->st, st)==0)
 					break;
 			}
 			if (!ap) {
 				ap = malloc(sizeof(*ap));
-				ap->super = super;
 				ap->devs = dl_head();
 				ap->next = arrays;
 				ap->spares = 0;
-				ap->ss = ss;
+				ap->st = st;
 				arrays = ap;
-				ss->getinfo_super(&ap->info, super);
-			} else {
-				ss->getinfo_super(&ap->info, super);
-				free(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 (export) {
+			if (st->ss->export_examine_super)
+				st->ss->export_examine_super(st);
 		} else {
 			printf("%s:\n",devlist->devname);
-			ss->examine_super(super);
-			free(super);
+			st->ss->examine_super(st, homehost);
+			st->ss->free_super(st);
 		}
 	}
 	if (brief) {
@@ -127,16 +156,27 @@ int Examine(mddev_dev_t devlist, int brief, int scan, int SparcAdjust)
 		for (ap=arrays; ap; ap=ap->next) {
 			char sep='=';
 			char *d;
-			ap->ss->brief_examine_super(ap->super);
-			if (ap->spares) printf("   spares=%d", ap->spares);
-			printf("   devices");
-			for (d=dl_next(ap->devs); d!= ap->devs; d=dl_next(d)) {
-				printf("%c%s", sep, d);
-				sep=',';
+			int newline = 0;
+
+			ap->st->ss->brief_examine_super(ap->st, brief > 1);
+			if (ap->spares)
+				newline += printf("   spares=%d", ap->spares);
+			if (brief > 1) {
+				newline += printf("   devices");
+				for (d=dl_next(ap->devs); d!= ap->devs; d=dl_next(d)) {
+					printf("%c%s", sep, d);
+					sep=',';
+				}
+			}
+			if (ap->st->ss->brief_examine_subarrays) {
+				if (newline)
+					printf("\n");
+				ap->st->ss->brief_examine_subarrays(ap->st, brief > 1);
 			}
-			free(ap->super);
+			ap->st->ss->free_super(ap->st);
 			/* FIXME free ap */
-			printf("\n");
+			if (ap->spares || brief > 1)
+				printf("\n");
 		}
 	}
 	return rv;