From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- block/partitions/check.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 block/partitions/check.h (limited to 'block/partitions/check.h') diff --git a/block/partitions/check.h b/block/partitions/check.h new file mode 100644 index 000000000..eade17ea9 --- /dev/null +++ b/block/partitions/check.h @@ -0,0 +1,54 @@ +#include +#include +#include + +/* + * add_gd_partition adds a partitions details to the devices partition + * description. + */ +struct parsed_partitions { + struct block_device *bdev; + char name[BDEVNAME_SIZE]; + struct { + sector_t from; + sector_t size; + int flags; + bool has_info; + struct partition_meta_info info; + } *parts; + int next; + int limit; + bool access_beyond_eod; + char *pp_buf; +}; + +void free_partitions(struct parsed_partitions *state); + +struct parsed_partitions * +check_partition(struct gendisk *, struct block_device *); + +static inline void *read_part_sector(struct parsed_partitions *state, + sector_t n, Sector *p) +{ + if (n >= get_capacity(state->bdev->bd_disk)) { + state->access_beyond_eod = true; + return NULL; + } + return read_dev_sector(state->bdev, n, p); +} + +static inline void +put_partition(struct parsed_partitions *p, int n, sector_t from, sector_t size) +{ + if (n < p->limit) { + char tmp[1 + BDEVNAME_SIZE + 10 + 1]; + + p->parts[n].from = from; + p->parts[n].size = size; + snprintf(tmp, sizeof(tmp), " %s%d", p->name, n); + strlcat(p->pp_buf, tmp, PAGE_SIZE); + } +} + +extern int warn_no_part; + -- cgit v1.2.3-54-g00ecf