]> git.ipfire.org Git - thirdparty/mdadm.git/blobdiff - Grow.c
mdadm: Fixup a large number of bad formatting of logical operators
[thirdparty/mdadm.git] / Grow.c
diff --git a/Grow.c b/Grow.c
old mode 100755 (executable)
new mode 100644 (file)
index af8d520..39110b8
--- a/Grow.c
+++ b/Grow.c
@@ -109,7 +109,7 @@ int Grow_Add_device(char *devname, int fd, char *newdev)
         */
        struct mdinfo info;
 
-       struct stat stb;
+       dev_t rdev;
        int nfd, fd2;
        int d, nd;
        struct supertype *st = NULL;
@@ -145,9 +145,7 @@ int Grow_Add_device(char *devname, int fd, char *newdev)
                free(st);
                return 1;
        }
-       fstat(nfd, &stb);
-       if ((stb.st_mode & S_IFMT) != S_IFBLK) {
-               pr_err("%s is not a block device!\n", newdev);
+       if (!fstat_is_blkdev(nfd, newdev, &rdev)) {
                close(nfd);
                free(st);
                return 1;
@@ -198,8 +196,8 @@ int Grow_Add_device(char *devname, int fd, char *newdev)
         */
 
        info.disk.number = d;
-       info.disk.major = major(stb.st_rdev);
-       info.disk.minor = minor(stb.st_rdev);
+       info.disk.major = major(rdev);
+       info.disk.minor = minor(rdev);
        info.disk.raid_disk = d;
        info.disk.state = (1 << MD_DISK_SYNC) | (1 << MD_DISK_ACTIVE);
        st->ss->update_super(st, &info, "linear-grow-new", newdev,
@@ -288,16 +286,9 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s)
        struct supertype *st;
        char *subarray = NULL;
        int major = BITMAP_MAJOR_HI;
-       int vers = md_get_version(fd);
        unsigned long long bitmapsize, array_size;
        struct mdinfo *mdi;
 
-       if (vers < 9003) {
-               major = BITMAP_MAJOR_HOSTENDIAN;
-               pr_err("Warning - bitmaps created on this kernel are not portable\n"
-                       "  between different architectures.  Consider upgrading the Linux kernel.\n");
-       }
-
        /*
         * We only ever get called if s->bitmap_file is != NULL, so this check
         * is just here to quiet down static code checkers.
@@ -455,7 +446,10 @@ int Grow_addbitmap(char *devname, int fd, struct context *c, struct shape *s)
                }
                if (offset_setable) {
                        st->ss->getinfo_super(st, mdi, NULL);
-                       sysfs_init(mdi, fd, NULL);
+                       if (sysfs_init(mdi, fd, NULL)) {
+                               pr_err("failed to intialize sysfs.\n");
+                               free(mdi);
+                       }
                        rv = sysfs_set_num_signed(mdi, NULL, "bitmap/location",
                                                  mdi->bitmap_offset);
                        free(mdi);
@@ -819,8 +813,8 @@ static void unfreeze(struct supertype *st)
                char buf[20];
 
                if (sra &&
-                   sysfs_get_str(sra, NULL, "sync_action", buf, 20) > 0
-                   && strcmp(buf, "frozen\n") == 0)
+                   sysfs_get_str(sra, NULL, "sync_action", buf, 20) > 0 &&
+                   strcmp(buf, "frozen\n") == 0)
                        sysfs_set_str(sra, NULL, "sync_action", "idle");
                sysfs_free(sra);
        }
@@ -1834,7 +1828,7 @@ int Grow_reshape(char *devname, int fd,
         * pre-requisite spare devices (mdmon owns final validation)
         */
        if (st->ss->external) {
-               int rv;
+               int retval;
 
                if (subarray) {
                        container = st->container_devnm;
@@ -1852,9 +1846,9 @@ int Grow_reshape(char *devname, int fd,
                        return 1;
                }
 
-               rv = st->ss->load_container(st, cfd, NULL);
+               retval = st->ss->load_container(st, cfd, NULL);
 
-               if (rv) {
+               if (retval) {
                        pr_err("Cannot read superblock for %s\n",
                                devname);
                        free(subarray);
@@ -1982,15 +1976,7 @@ int Grow_reshape(char *devname, int fd,
                 * understands '0' to mean 'max'.
                 */
                min_csize = 0;
-               rv = 0;
                for (mdi = sra->devs; mdi; mdi = mdi->next) {
-                       if (sysfs_set_num(sra, mdi, "size",
-                                         s->size == MAX_SIZE ? 0 : s->size) < 0) {
-                               /* Probably kernel refusing to let us
-                                * reduce the size - not an error.
-                                */
-                               break;
-                       }
                        if (array.not_persistent == 0 &&
                            array.major_version == 0 &&
                            get_linux_version() < 3001000) {
@@ -2005,10 +1991,6 @@ int Grow_reshape(char *devname, int fd,
                                }
                        }
                }
-               if (rv) {
-                       pr_err("Cannot set size on array members.\n");
-                       goto size_change_error;
-               }
                if (min_csize && s->size > min_csize) {
                        pr_err("Cannot safely make this array use more than 2TB per device on this kernel.\n");
                        rv = 1;
@@ -2161,7 +2143,11 @@ size_change_error:
 
        memset(&info, 0, sizeof(info));
        info.array = array;
-       sysfs_init(&info, fd, NULL);
+       if (sysfs_init(&info, fd, NULL)) {
+               pr_err("failed to intialize sysfs.\n");
+               rv = 1;
+               goto release;
+       }
        strcpy(info.text_version, sra->text_version);
        info.component_size = s->size*2;
        info.new_level = s->level;
@@ -2882,7 +2868,11 @@ static int impose_level(int fd, int level, char *devname, int verbose)
        char *c;
        struct mdu_array_info_s array;
        struct mdinfo info;
-       sysfs_init(&info, fd, NULL);
+
+       if (sysfs_init(&info, fd, NULL)) {
+               pr_err("failed to intialize sysfs.\n");
+               return  1;
+       }
 
        md_get_array_info(fd, &array);
        if (level == 0 &&
@@ -2912,8 +2902,8 @@ static int impose_level(int fd, int level, char *devname, int verbose)
                        if (disk.major == 0 && disk.minor == 0)
                                continue;
                        found++;
-                       if ((disk.state & (1 << MD_DISK_ACTIVE))
-                           && disk.raid_disk < data_disks)
+                       if ((disk.state & (1 << MD_DISK_ACTIVE)) &&
+                           disk.raid_disk < data_disks)
                                /* keep this */
                                continue;
                        ioctl(fd, HOT_REMOVE_DISK,
@@ -2931,8 +2921,8 @@ static int impose_level(int fd, int level, char *devname, int verbose)
                        if (disk.major == 0 && disk.minor == 0)
                                continue;
                        found++;
-                       if ((disk.state & (1 << MD_DISK_ACTIVE))
-                           && disk.raid_disk < data_disks)
+                       if ((disk.state & (1 << MD_DISK_ACTIVE)) &&
+                           disk.raid_disk < data_disks)
                                /* keep this */
                                continue;
                        ioctl(fd, SET_DISK_FAULTY,
@@ -3190,7 +3180,12 @@ static int reshape_array(char *container, int fd, char *devname,
                struct mdinfo *d;
 
                if (info2) {
-                       sysfs_init(info2, fd, st->devnm);
+                       if (sysfs_init(info2, fd, st->devnm)) {
+                               pr_err("unable to initialize sysfs for %s",
+                                      st->devnm);
+                               free(info2);
+                               goto release;
+                       }
                        /* When increasing number of devices, we need to set
                         * new raid_disks before adding these, or they might
                         * be rejected.
@@ -3602,9 +3597,8 @@ started:
        }
 
        if (!st->ss->external &&
-           !(reshape.before.data_disks != reshape.after.data_disks
-             && info->custom_array_size) &&
-           info->new_level == reshape.level &&
+           !(reshape.before.data_disks != reshape.after.data_disks &&
+             info->custom_array_size) && info->new_level == reshape.level &&
            !forked) {
                /* no need to wait for the reshape to finish as
                 * there is nothing more to do.
@@ -3789,7 +3783,12 @@ int reshape_container(char *container, char *devname,
                }
                strcpy(last_devnm, mdstat->devnm);
 
-               sysfs_init(content, fd, mdstat->devnm);
+               if (sysfs_init(content, fd, mdstat->devnm)) {
+                       pr_err("Unable to initialize sysfs for %s\n",
+                              mdstat->devnm);
+                       rv = 1;
+                       break;
+               }
 
                if (mdmon_running(container))
                        flush_mdmon(container);
@@ -4092,14 +4091,14 @@ int progress_reshape(struct mdinfo *info, struct reshape *reshape,
                 * before setting 'sync_action' to 'idle'.
                 * So we need these extra tests.
                 */
-               if (completed == 0 && advancing
-                   && strncmp(action, "idle", 4) == 0
-                   && info->reshape_progress > 0)
+               if (completed == 0 && advancing &&
+                   strncmp(action, "idle", 4) == 0 &&
+                   info->reshape_progress > 0)
                        break;
-               if (completed == 0 && !advancing
-                   && strncmp(action, "idle", 4) == 0
-                   && info->reshape_progress < (info->component_size
-                                                * reshape->after.data_disks))
+               if (completed == 0 && !advancing &&
+                   strncmp(action, "idle", 4) == 0 &&
+                   info->reshape_progress < (info->component_size
+                                             * reshape->after.data_disks))
                        break;
                sysfs_wait(fd, NULL);
                if (sysfs_fd_get_ll(fd, &completed) < 0)
@@ -4787,8 +4786,7 @@ int Grow_restart(struct supertype *st, struct mdinfo *info, int *fdlist, int cnt
                                /* reshape_progress is increasing */
                                if ((__le64_to_cpu(bsb.arraystart)
                                     + __le64_to_cpu(bsb.length)
-                                    < info->reshape_progress)
-                                   &&
+                                    < info->reshape_progress) &&
                                    (__le64_to_cpu(bsb.arraystart2)
                                     + __le64_to_cpu(bsb.length2)
                                     < info->reshape_progress))
@@ -5000,6 +4998,7 @@ int Grow_continue_command(char *devname, int fd,
                        goto Grow_continue_command_exit;
                }
                content = &array;
+               sysfs_init(content, fd, NULL);
                /* Need to load a superblock.
                 * FIXME we should really get what we need from
                 * sysfs
@@ -5072,7 +5071,7 @@ int Grow_continue_command(char *devname, int fd,
 
                cc = st->ss->container_content(st, subarray);
                for (content = cc; content ; content = content->next) {
-                       char *array;
+                       char *array_name;
                        int allow_reshape = 1;
 
                        if (content->reshape_active == 0)
@@ -5097,8 +5096,8 @@ int Grow_continue_command(char *devname, int fd,
                                goto Grow_continue_command_exit;
                        }
 
-                       array = strchr(content->text_version+1, '/')+1;
-                       mdstat = mdstat_by_subdev(array, container);
+                       array_name = strchr(content->text_version+1, '/')+1;
+                       mdstat = mdstat_by_subdev(array_name, container);
                        if (!mdstat)
                                continue;
                        if (mdstat->active == 0) {
@@ -5122,7 +5121,13 @@ int Grow_continue_command(char *devname, int fd,
                        goto Grow_continue_command_exit;
                }
 
-               sysfs_init(content, fd2, mdstat->devnm);
+               if (sysfs_init(content, fd2, mdstat->devnm)) {
+                       pr_err("Unable to initialize sysfs for %s, Grow cannot continue",
+                              mdstat->devnm);
+                       ret_val = 1;
+                       close(fd2);
+                       goto Grow_continue_command_exit;
+               }
 
                close(fd2);