move fs/partitions to block/

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 49 insertions, 0 deletions

diff --git a/block/partitions/check.h b/block/partitions/check.h
new file mode 100644
index 000000000000..d68bf4dc3bc2
--- /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;
+