Merge branch 'hpfs' (patches from Mikulas)

Merge hpfs upddate from Mikulas Patocka.

* emailed patches from Mikulas Patocka <mikulas@twibright.com>:
  hpfs: update ctime and mtime on directory modification
  hpfs: support hotfixes

1 files changed, 26 insertions, 0 deletions

diff --git a/fs/hpfs/map.c b/fs/hpfs/map.c
index 442770edcdc7..a69bbc1e87f8 100644
--- a/fs/hpfs/map.c
+++ b/fs/hpfs/map.c
@@ -130,6 +130,32 @@ __le32 *hpfs_load_bitmap_directory(struct super_block *s, secno bmp)
         return b;
 }
 
+void hpfs_load_hotfix_map(struct super_block *s, struct hpfs_spare_block *spareblock)
+{
+        struct quad_buffer_head qbh;
+        u32 *directory;
+        u32 n_hotfixes, n_used_hotfixes;
+        unsigned i;
+
+        n_hotfixes = le32_to_cpu(spareblock->n_spares);
+        n_used_hotfixes = le32_to_cpu(spareblock->n_spares_used);
+
+        if (n_hotfixes > 256 || n_used_hotfixes > n_hotfixes) {
+                hpfs_error(s, "invalid number of hotfixes: %u, used: %u", n_hotfixes, n_used_hotfixes);
+                return;
+        }
+        if (!(directory = hpfs_map_4sectors(s, le32_to_cpu(spareblock->hotfix_map), &qbh, 0))) {
+                hpfs_error(s, "can't load hotfix map");
+                return;
+        }
+        for (i = 0; i < n_used_hotfixes; i++) {
+                hpfs_sb(s)->hotfix_from[i] = le32_to_cpu(directory[i]);
+                hpfs_sb(s)->hotfix_to[i] = le32_to_cpu(directory[n_hotfixes + i]);
+        }
+        hpfs_sb(s)->n_hotfixes = n_used_hotfixes;
+        hpfs_brelse4(&qbh);
+}
+
 /*
  * Load fnode to memory
  */