X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Freiserfs%2Fresize.c;h=f71c3948edef8324ac68a71042fbc35209cb5ea3;hb=9ee08c2df47c10ba624ff05a6c0f2500748bcb69;hp=976cc7887a0dfe60c4f5933e7d7757acfb6cf8bf;hpb=f4ebc993759dc25dc3db6b6f1a13a23df8264d4b;p=linux-2.6

diff --git a/fs/reiserfs/resize.c b/fs/reiserfs/resize.c
index 976cc7887a..f71c3948ed 100644
--- a/fs/reiserfs/resize.c
+++ b/fs/reiserfs/resize.c
@@ -61,7 +61,8 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
 	}
 
 	/* count used bits in last bitmap block */
-	block_r = SB_BLOCK_COUNT(s) - (SB_BMAP_NR(s) - 1) * s->s_blocksize * 8;
+	block_r = SB_BLOCK_COUNT(s) -
+			(reiserfs_bmap_count(s) - 1) * s->s_blocksize * 8;
 
 	/* count bitmap blocks in new fs */
 	bmap_nr_new = block_count_new / (s->s_blocksize * 8);
@@ -73,7 +74,7 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
 
 	/* save old values */
 	block_count = SB_BLOCK_COUNT(s);
-	bmap_nr = SB_BMAP_NR(s);
+	bmap_nr = reiserfs_bmap_count(s);
 
 	/* resizing of reiserfs bitmaps (journal and real), if needed */
 	if (bmap_nr_new > bmap_nr) {
@@ -119,7 +120,7 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
 			return -ENOMEM;
 		}
 		memset(bitmap, 0,
-		       sizeof(struct reiserfs_bitmap_info) * SB_BMAP_NR(s));
+		       sizeof(struct reiserfs_bitmap_info) * bmap_nr_new);
 		for (i = 0; i < bmap_nr; i++)
 			bitmap[i] = old_bitmap[i];
 
@@ -143,7 +144,6 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
 			mark_buffer_dirty(bh);
 			sync_dirty_buffer(bh);
 			// update bitmap_info stuff
-			bitmap[i].first_zero_hint = 1;
 			bitmap[i].free_count = sb_blocksize(sb) * 8 - 1;
 			brelse(bh);
 		}
@@ -173,8 +173,6 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
 	for (i = block_r; i < s->s_blocksize * 8; i++)
 		reiserfs_test_and_clear_le_bit(i, bh->b_data);
 	info->free_count += s->s_blocksize * 8 - block_r;
-	if (!info->first_zero_hint)
-		info->first_zero_hint = block_r;
 
 	journal_mark_dirty(&th, s, bh);
 	brelse(bh);
@@ -196,9 +194,6 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
 	brelse(bh);
 
 	info->free_count -= s->s_blocksize * 8 - block_r_new;
-	/* Extreme case where last bitmap is the only valid block in itself. */
-	if (!info->free_count)
-		info->first_zero_hint = 0;
 	/* update super */
 	reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);
 	free_blocks = SB_FREE_BLOCKS(s);
@@ -206,7 +201,7 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
 			   free_blocks + (block_count_new - block_count -
 					  (bmap_nr_new - bmap_nr)));
 	PUT_SB_BLOCK_COUNT(s, block_count_new);
-	PUT_SB_BMAP_NR(s, bmap_nr_new);
+	PUT_SB_BMAP_NR(s, bmap_would_wrap(bmap_nr_new) ? : bmap_nr_new);
 	s->s_dirt = 1;
 
 	journal_mark_dirty(&th, s, SB_BUFFER_WITH_SB(s));