diff options
Diffstat (limited to 'util.c')
| -rw-r--r-- | util.c | 144 |
1 files changed, 78 insertions, 66 deletions
@@ -36,7 +36,7 @@ #include <ctype.h> #include <dirent.h> #include <dlfcn.h> - +#include <limits.h> /* * following taken from linux/blkpg.h because they aren't @@ -589,19 +589,21 @@ char *__fname_from_uuid(int id[4], int swap, char *buf, char sep) } -char *fname_from_uuid(struct supertype *st, struct mdinfo *info, - char *buf, char sep) +/** + * fname_from_uuid() - generate uuid string. Should not be used with super1. + * @info: info with uuid + * @buf: buf to fill. + * + * This routine should not be used with super1. See detail_fname_from_uuid() for details. It does + * not use superswitch swapuuid as it should be 0 but it has to do UUID conversion if host is big + * endian- left for backward compatibility. + */ +char *fname_from_uuid(struct mdinfo *info, char *buf) { - // dirty hack to work around an issue with super1 superblocks... - // super1 superblocks need swapuuid set in order for assembly to - // work, but can't have it set if we want this printout to match - // all the other uuid printouts in super1.c, so we force swapuuid - // to 1 to make our printout match the rest of super1 #if __BYTE_ORDER == BIG_ENDIAN - return __fname_from_uuid(info->uuid, 1, buf, sep); + return __fname_from_uuid(info->uuid, true, buf, ':'); #else - return __fname_from_uuid(info->uuid, (st->ss == &super1) ? 1 : - st->ss->swapuuid, buf, sep); + return __fname_from_uuid(info->uuid, false, buf, ':'); #endif } @@ -1266,40 +1268,6 @@ struct supertype *super_by_fd(int fd, char **subarrayp) return st; } -int dev_size_from_id(dev_t id, unsigned long long *size) -{ - char buf[20]; - int fd; - - sprintf(buf, "%d:%d", major(id), minor(id)); - fd = dev_open(buf, O_RDONLY); - if (fd < 0) - return 0; - if (get_dev_size(fd, NULL, size)) { - close(fd); - return 1; - } - close(fd); - return 0; -} - -int dev_sector_size_from_id(dev_t id, unsigned int *size) -{ - char buf[20]; - int fd; - - sprintf(buf, "%d:%d", major(id), minor(id)); - fd = dev_open(buf, O_RDONLY); - if (fd < 0) - return 0; - if (get_dev_sector_size(fd, NULL, size)) { - close(fd); - return 1; - } - close(fd); - return 0; -} - struct supertype *dup_super(struct supertype *orig) { struct supertype *st; @@ -1899,8 +1867,7 @@ int set_array_info(int mdfd, struct supertype *st, struct mdinfo *info) int rv; if (st->ss->external) - return sysfs_set_array(info, 9003); - + return sysfs_set_array(info); memset(&inf, 0, sizeof(inf)); inf.major_version = info->array.major_version; inf.minor_version = info->array.minor_version; @@ -2088,6 +2055,65 @@ void append_metadata_update(struct supertype *st, void *buf, int len) unsigned int __invalid_size_argument_for_IOC = 0; #endif +/** + * disk_fd_matches_criteria() - check if device matches spare criteria. + * @st: supertype, not NULL. + * @disk_fd: file descriptor of the disk. + * @sc: criteria to test. + * + * Return: true if disk matches criteria, false otherwise. + */ +bool disk_fd_matches_criteria(struct supertype *st, int disk_fd, struct spare_criteria *sc) +{ + unsigned int dev_sector_size = 0; + unsigned long long dev_size = 0; + + if (!sc->criteria_set) + return true; + + if (!get_dev_size(disk_fd, NULL, &dev_size) || dev_size < sc->min_size) + return false; + + if (!get_dev_sector_size(disk_fd, NULL, &dev_sector_size) || + sc->sector_size != dev_sector_size) + return false; + + if (drive_test_and_add_policies(st, &sc->pols, disk_fd, 0)) + return false; + + return true; +} + +/** + * devid_matches_criteria() - check if device referenced by devid matches spare criteria. + * @st: supertype, not NULL. + * @devid: devid of the device to check. + * @sc: criteria to test. + * + * Return: true if disk matches criteria, false otherwise. + */ +bool devid_matches_criteria(struct supertype *st, dev_t devid, struct spare_criteria *sc) +{ + char buf[NAME_MAX]; + bool ret; + int fd; + + if (!sc->criteria_set) + return true; + + snprintf(buf, NAME_MAX, "%d:%d", major(devid), minor(devid)); + + fd = dev_open(buf, O_RDONLY); + if (!is_fd_valid(fd)) + return false; + + /* Error code inherited */ + ret = disk_fd_matches_criteria(st, fd, sc); + + close(fd); + return ret; +} + /* Pick all spares matching given criteria from a container * if min_size == 0 do not check size * if domlist == NULL do not check domains @@ -2111,28 +2137,13 @@ struct mdinfo *container_choose_spares(struct supertype *st, dp = &disks->devs; disks->array.spare_disks = 0; while (*dp) { - int found = 0; + bool found = false; + d = *dp; if (d->disk.state == 0) { - /* check if size is acceptable */ - unsigned long long dev_size; - unsigned int dev_sector_size; - int size_valid = 0; - int sector_size_valid = 0; - dev_t dev = makedev(d->disk.major,d->disk.minor); - if (!criteria->min_size || - (dev_size_from_id(dev, &dev_size) && - dev_size >= criteria->min_size)) - size_valid = 1; - - if (!criteria->sector_size || - (dev_sector_size_from_id(dev, &dev_sector_size) && - criteria->sector_size == dev_sector_size)) - sector_size_valid = 1; - - found = size_valid && sector_size_valid; + found = devid_matches_criteria(st, dev, criteria); /* check if domain matches */ if (found && domlist) { @@ -2141,7 +2152,8 @@ struct mdinfo *container_choose_spares(struct supertype *st, pol_add(&pol, pol_domain, spare_group, NULL); if (domain_test(domlist, pol, metadata) != 1) - found = 0; + found = false; + dev_policy_free(pol); } } |