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author | Al Viro <viro@zeniv.linux.org.uk> | 2011-09-16 04:25:05 (GMT) |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-01-04 03:54:06 (GMT) |
commit | 9be96f3fd10187f185d84cf878cf032465bcced3 (patch) | |
tree | 432a430ed9e0cbe0c18916cd3c3992f09b3feb37 /block/partitions/check.h | |
parent | 4752bc309b7604d507c973c7b7678ac2ce10a058 (diff) | |
download | linux-fsl-qoriq-9be96f3fd10187f185d84cf878cf032465bcced3.tar.xz |
move fs/partitions to block/
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'block/partitions/check.h')
-rw-r--r-- | block/partitions/check.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/block/partitions/check.h b/block/partitions/check.h new file mode 100644 index 0000000..d68bf4d --- /dev/null +++ b/block/partitions/check.h @@ -0,0 +1,49 @@ +#include <linux/pagemap.h> +#include <linux/blkdev.h> +#include <linux/genhd.h> + +/* + * 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[DISK_MAX_PARTS]; + int next; + int limit; + bool access_beyond_eod; + char *pp_buf; +}; + +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; + |