X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=util.c;h=a695c45bf867b38977ac7ae1797b323ee1dbb0b1;hb=5e4ca8bb82e98400c9258cb3d7e4d030576f21df;hp=374015ede8d31f9f1646f71a24ae4f52353d40ba;hpb=efa295309fd2d85133aaf3c224cd5834b689234c;p=thirdparty%2Fmdadm.git

diff --git a/util.c b/util.c
index 374015ed..a695c45b 100644
--- a/util.c
+++ b/util.c
@@ -89,7 +89,6 @@ int dlm_funs_ready(void)
 	return is_dlm_hooks_ready ? 1 : 0;
 }
 
-#ifndef MDASSEMBLE
 static struct dlm_hooks *dlm_hooks = NULL;
 struct dlm_lock_resource *dlm_lock_res = NULL;
 static int ast_called = 0;
@@ -200,16 +199,31 @@ int cluster_release_dlmlock(int lockid)
 out:
 	return ret;
 }
-#else
-int cluster_get_dlmlock(int *lockid)
+
+/*
+ * Get array info from the kernel. Longer term we want to deprecate the
+ * ioctl and get it from sysfs.
+ */
+int md_get_array_info(int fd, struct mdu_array_info_s *array)
 {
-	return -1;
+	return ioctl(fd, GET_ARRAY_INFO, array);
 }
-int cluster_release_dlmlock(int lockid)
+
+/*
+ * Set array info
+ */
+int md_set_array_info(int fd, struct mdu_array_info_s *array)
 {
-	return -1;
+	return ioctl(fd, SET_ARRAY_INFO, array);
+}
+
+/*
+ * Get disk info from the kernel.
+ */
+int md_get_disk_info(int fd, struct mdu_disk_info_s *disk)
+{
+	return ioctl(fd, GET_DISK_INFO, disk);
 }
-#endif
 
 /*
  * Parse a 128 bit uuid in 4 integers
@@ -248,35 +262,6 @@ int parse_uuid(char *str, int uuid[4])
 	return 0;
 }
 
-/*
- * Get the md version number.
- * We use the RAID_VERSION ioctl if it is supported
- * If not, but we have a block device with major '9', we assume
- * 0.36.0
- *
- * Return version number as 24 but number - assume version parts
- * always < 255
- */
-
-int md_get_version(int fd)
-{
-	struct stat stb;
-	mdu_version_t vers;
-
-	if (fstat(fd, &stb)<0)
-		return -1;
-	if ((S_IFMT&stb.st_mode) != S_IFBLK)
-		return -1;
-
-	if (ioctl(fd, RAID_VERSION, &vers) == 0)
-		return  (vers.major*10000) + (vers.minor*100) + vers.patchlevel;
-	if (errno == EACCES)
-		return -1;
-	if (major(stb.st_rdev) == MD_MAJOR)
-		return (3600);
-	return -1;
-}
-
 int get_linux_version()
 {
 	struct utsname name;
@@ -295,7 +280,6 @@ int get_linux_version()
 	return (a*1000000)+(b*1000)+c;
 }
 
-#ifndef MDASSEMBLE
 int mdadm_version(char *version)
 {
 	int a, b, c;
@@ -401,7 +385,6 @@ long parse_num(char *num)
 	else
 		return rv;
 }
-#endif
 
 int parse_cluster_confirm_arg(char *input, char **devname, int *slot)
 {
@@ -539,13 +522,12 @@ int enough_fd(int fd)
 	int i, rv;
 	char *avail;
 
-	if (ioctl(fd, GET_ARRAY_INFO, &array) != 0 ||
-	    array.raid_disks <= 0)
+	if (md_get_array_info(fd, &array) != 0 || array.raid_disks <= 0)
 		return 0;
 	avail = xcalloc(array.raid_disks, 1);
 	for (i = 0; i < MAX_DISKS && array.nr_disks > 0; i++) {
 		disk.number = i;
-		if (ioctl(fd, GET_DISK_INFO, &disk) != 0)
+		if (md_get_disk_info(fd, &disk) != 0)
 			continue;
 		if (disk.major == 0 && disk.minor == 0)
 			continue;
@@ -644,7 +626,6 @@ char *fname_from_uuid(struct supertype *st, struct mdinfo *info, char *buf, char
 	return __fname_from_uuid(info->uuid, (st->ss == &super1) ? 1 : st->ss->swapuuid, buf, sep);
 }
 
-#ifndef MDASSEMBLE
 int check_ext2(int fd, char *name)
 {
 	/*
@@ -748,7 +729,6 @@ int ask(char *mesg)
 	pr_err("assuming 'no'\n");
 	return 0;
 }
-#endif /* MDASSEMBLE */
 
 int is_standard(char *dev, int *nump)
 {
@@ -808,7 +788,6 @@ unsigned long calc_csum(void *super, int bytes)
 	return csum;
 }
 
-#ifndef MDASSEMBLE
 char *human_size(long long bytes)
 {
 	static char buf[47];
@@ -900,7 +879,6 @@ void print_r10_layout(int layout)
 	if (near*far == 1)
 		printf("NO REDUNDANCY");
 }
-#endif
 
 unsigned long long calc_array_size(int level, int raid_disks, int layout,
 				   int chunksize, unsigned long long devsize)
@@ -967,7 +945,6 @@ dev_t devnm2devid(char *devnm)
 	return 0;
 }
 
-#if !defined(MDASSEMBLE) || defined(MDASSEMBLE) && defined(MDASSEMBLE_AUTO)
 char *get_md_name(char *devnm)
 {
 	/* find /dev/md%d or /dev/md/%d or make a device /dev/.tmp.md%d */
@@ -1021,7 +998,6 @@ void put_md_name(char *name)
 	if (strncmp(name, "/dev/.tmp.md", 12) == 0)
 		unlink(name);
 }
-#endif /* !defined(MDASSEMBLE) || defined(MDASSEMBLE) && defined(MDASSEMBLE_AUTO) */
 
 int get_maj_min(char *dev, int *major, int *minor)
 {
@@ -1151,9 +1127,8 @@ struct superswitch *superlist[] =
 	&super0, &super1,
 	&super_ddf, &super_imsm,
 	&mbr, &gpt,
-	NULL };
-
-#if !defined(MDASSEMBLE) || defined(MDASSEMBLE) && defined(MDASSEMBLE_AUTO)
+	NULL
+};
 
 struct supertype *super_by_fd(int fd, char **subarrayp)
 {
@@ -1175,7 +1150,7 @@ struct supertype *super_by_fd(int fd, char **subarrayp)
 		minor = sra->array.minor_version;
 		verstr = sra->text_version;
 	} else {
-		if (ioctl(fd, GET_ARRAY_INFO, &array))
+		if (md_get_array_info(fd, &array))
 			array.major_version = array.minor_version = 0;
 		vers = array.major_version;
 		minor = array.minor_version;
@@ -1218,7 +1193,6 @@ struct supertype *super_by_fd(int fd, char **subarrayp)
 
 	return st;
 }
-#endif /* !defined(MDASSEMBLE) || defined(MDASSEMBLE) && defined(MDASSEMBLE_AUTO) */
 
 int dev_size_from_id(dev_t id, unsigned long long *size)
 {
@@ -1352,9 +1326,14 @@ int get_dev_sector_size(int fd, char *dname, unsigned int *sectsizep)
  */
 int must_be_container(int fd)
 {
+	struct mdinfo *mdi;
 	unsigned long long size;
-	if (md_get_version(fd) < 0)
+
+	mdi = sysfs_read(fd, NULL, GET_VERSION);
+	if (!mdi)
 		return 0;
+	sysfs_free(mdi);
+
 	if (get_dev_size(fd, NULL, &size) == 0)
 		return 1;
 	if (size == 0)
@@ -1753,7 +1732,7 @@ int add_disk(int mdfd, struct supertype *st,
 {
 	/* Add a device to an array, in one of 2 ways. */
 	int rv;
-#ifndef MDASSEMBLE
+
 	if (st->ss->external) {
 		if (info->disk.state & (1<<MD_DISK_SYNC))
 			info->recovery_start = MaxSector;
@@ -1773,7 +1752,6 @@ int add_disk(int mdfd, struct supertype *st,
 			}
 		}
 	} else
-#endif
 		rv = ioctl(mdfd, ADD_NEW_DISK, &info->disk);
 	return rv;
 }
@@ -1782,12 +1760,11 @@ int remove_disk(int mdfd, struct supertype *st,
 		struct mdinfo *sra, struct mdinfo *info)
 {
 	int rv;
+
 	/* Remove the disk given by 'info' from the array */
-#ifndef MDASSEMBLE
 	if (st->ss->external)
 		rv = sysfs_set_str(sra, info, "slot", "none");
 	else
-#endif
 		rv = ioctl(mdfd, HOT_REMOVE_DISK, makedev(info->disk.major,
 							  info->disk.minor));
 	return rv;
@@ -1829,22 +1806,17 @@ int set_array_info(int mdfd, struct supertype *st, struct mdinfo *info)
 	 * This varies between externally managed arrays
 	 * and older kernels
 	 */
-	int vers = md_get_version(mdfd);
+	mdu_array_info_t inf;
 	int rv;
 
-#ifndef MDASSEMBLE
 	if (st->ss->external)
-		rv = sysfs_set_array(info, vers);
-	else
-#endif
-		if ((vers % 100) >= 1) { /* can use different versions */
-		mdu_array_info_t inf;
-		memset(&inf, 0, sizeof(inf));
-		inf.major_version = info->array.major_version;
-		inf.minor_version = info->array.minor_version;
-		rv = ioctl(mdfd, SET_ARRAY_INFO, &inf);
-	} else
-		rv = ioctl(mdfd, SET_ARRAY_INFO, NULL);
+		return sysfs_set_array(info, 9003);
+		
+	memset(&inf, 0, sizeof(inf));
+	inf.major_version = info->array.major_version;
+	inf.minor_version = info->array.minor_version;
+	rv = md_set_array_info(mdfd, &inf);
+
 	return rv;
 }
 
@@ -2018,7 +1990,6 @@ use_random:
 	memcpy(buf, r, 16);
 }
 
-#ifndef MDASSEMBLE
 int flush_metadata_updates(struct supertype *st)
 {
 	int sfd;
@@ -2060,7 +2031,6 @@ void append_metadata_update(struct supertype *st, void *buf, int len)
 	*st->update_tail = mu;
 	st->update_tail = &mu->next;
 }
-#endif /* MDASSEMBLE */
 
 #ifdef __TINYC__
 /* tinyc doesn't optimize this check in ioctl.h out ... */
@@ -2200,7 +2170,6 @@ void reopen_mddev(int mdfd)
 		dup2(fd, mdfd);
 }
 
-#ifndef MDASSEMBLE
 static struct cmap_hooks *cmap_hooks = NULL;
 static int is_cmap_hooks_ready = 0;
 
@@ -2275,4 +2244,3 @@ void set_hooks(void)
 	set_dlm_hooks();
 	set_cmap_hooks();
 }
-#endif