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Diffstat (limited to 'fs/reiserfs/resize.c')
-rw-r--r--fs/reiserfs/resize.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/fs/reiserfs/resize.c b/fs/reiserfs/resize.c
index 90d39fd3096f..315684793d1d 100644
--- a/fs/reiserfs/resize.c
+++ b/fs/reiserfs/resize.c
@@ -128,8 +128,9 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
* transaction begins, and the new bitmaps don't matter if the
* transaction fails. */
for (i = bmap_nr; i < bmap_nr_new; i++) {
- bh = sb_getblk(s, i * s->s_blocksize * 8);
- get_bh(bh);
+ /* don't use read_bitmap_block since it will cache
+ * the uninitialized bitmap */
+ bh = sb_bread(s, i * s->s_blocksize * 8);
memset(bh->b_data, 0, sb_blocksize(sb));
reiserfs_test_and_set_le_bit(0, bh->b_data);
reiserfs_cache_bitmap_metadata(s, bh, bitmap + i);
@@ -140,7 +141,6 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
// update bitmap_info stuff
bitmap[i].first_zero_hint = 1;
bitmap[i].free_count = sb_blocksize(sb) * 8 - 1;
- bitmap[i].bh = bh;
brelse(bh);
}
/* free old bitmap blocks array */
@@ -157,8 +157,13 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
/* Extend old last bitmap block - new blocks have been made available */
info = SB_AP_BITMAP(s) + bmap_nr - 1;
- bh = info->bh;
- get_bh(bh);
+ bh = reiserfs_read_bitmap_block(s, bmap_nr - 1);
+ if (!bh) {
+ int jerr = journal_end(&th, s, 10);
+ if (jerr)
+ return jerr;
+ return -EIO;
+ }
reiserfs_prepare_for_journal(s, bh, 1);
for (i = block_r; i < s->s_blocksize * 8; i++)
@@ -172,8 +177,13 @@ int reiserfs_resize(struct super_block *s, unsigned long block_count_new)
/* Correct new last bitmap block - It may not be full */
info = SB_AP_BITMAP(s) + bmap_nr_new - 1;
- bh = info->bh;
- get_bh(bh);
+ bh = reiserfs_read_bitmap_block(s, bmap_nr_new - 1);
+ if (!bh) {
+ int jerr = journal_end(&th, s, 10);
+ if (jerr)
+ return jerr;
+ return -EIO;
+ }
reiserfs_prepare_for_journal(s, bh, 1);
for (i = block_r_new; i < s->s_blocksize * 8; i++)