diff options
Diffstat (limited to 'Grow.c')
| -rw-r--r-- | Grow.c | 74 |
1 files changed, 71 insertions, 3 deletions
@@ -215,6 +215,14 @@ int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay, int return 1; } if (bmf.pathname[0]) { + if (strcmp(file,"none")==0) { + if (ioctl(fd, SET_BITMAP_FILE, -1)!= 0) { + fprintf(stderr, Name ": failed to remove bitmap %s\n", + bmf.pathname); + return 1; + } + return 0; + } fprintf(stderr, Name ": %s already has a bitmap (%s)\n", devname, bmf.pathname); return 1; @@ -224,6 +232,14 @@ int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay, int return 1; } if (array.state & (1<<MD_SB_BITMAP_PRESENT)) { + if (strcmp(file, "none")==0) { + array.state &= ~(1<<MD_SB_BITMAP_PRESENT); + if (ioctl(fd, SET_ARRAY_INFO, &array)!= 0) { + fprintf(stderr, Name ": failed to remove internal bitmap.\n"); + return 1; + } + return 0; + } fprintf(stderr, Name ": Internal bitmap already present on %s\n", devname); return 1; @@ -234,7 +250,10 @@ int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay, int array.major_version, array.minor_version); return 1; } - if (strcmp(file, "internal") == 0) { + if (strcmp(file, "none") == 0) { + fprintf(stderr, Name ": no bitmap found on %s\n", devname); + return 1; + } else if (strcmp(file, "internal") == 0) { int d; for (d=0; d< st->max_devs; d++) { mdu_disk_info_t disk; @@ -267,8 +286,57 @@ int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay, int fprintf(stderr, Name ": failed to set internal bitmap.\n"); return 1; } - } else - abort(); /* FIXME */ + } else { + int uuid[4]; + int bitmap_fd; + int d; + int max_devs = st->max_devs; + void *super = NULL; + if (chunk == UnSet) + chunk = DEFAULT_BITMAP_CHUNK; + + /* try to load a superblock */ + for (d=0; d<max_devs; d++) { + mdu_disk_info_t disk; + char *dv; + int fd2; + disk.number = d; + if (ioctl(fd, GET_DISK_INFO, &disk) < 0) + continue; + if ((disk.major==0 && disk.minor==0) || + (disk.state & (1<<MD_DISK_REMOVED))) + continue; + dv = map_dev(disk.major, disk.minor); + if (!dv) continue; + fd2 = open(dv, O_RDONLY); + if (fd2 >= 0 && + st->ss->load_super(st, fd2, &super, NULL) == 0) { + close(fd2); + st->ss->uuid_from_super(uuid, super); + break; + } + close(fd2); + } + if (d == max_devs) { + fprintf(stderr, Name ": cannot find UUID for array!\n"); + return 1; + } + if (CreateBitmap(file, 0, (char*)uuid, chunk, + delay, write_behind, array.size*2ULL)) { + return 1; + } + bitmap_fd = open(file, O_RDWR); + if (bitmap_fd < 0) { + fprintf(stderr, Name ": weird: %s cannot be openned\n", + file); + return 1; + } + if (ioctl(fd, SET_BITMAP_FILE, bitmap_fd) < 0) { + fprintf(stderr, Name ": Cannot set bitmap file for %s: %s\n", + devname, strerror(errno)); + return 1; + } + } return 0; } |