diff options
Diffstat (limited to 'fs/ufs/balloc.c')
| -rw-r--r-- | fs/ufs/balloc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index 2e0021e8f366..96ca8453bab6 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -233,7 +233,7 @@ static void ufs_change_blocknr(struct inode *inode, unsigned int baseblk, { unsigned int blk_per_page = 1 << (PAGE_CACHE_SHIFT - inode->i_blkbits); struct address_space *mapping = inode->i_mapping; - pgoff_t index, cur_index = locked_page->index; + pgoff_t index, cur_index; unsigned int i, j; struct page *page; struct buffer_head *head, *bh; @@ -241,8 +241,11 @@ static void ufs_change_blocknr(struct inode *inode, unsigned int baseblk, UFSD("ENTER, ino %lu, count %u, oldb %u, newb %u\n", inode->i_ino, count, oldb, newb); + BUG_ON(!locked_page); BUG_ON(!PageLocked(locked_page)); + cur_index = locked_page->index; + for (i = 0; i < count; i += blk_per_page) { index = (baseblk+i) >> (PAGE_CACHE_SHIFT - inode->i_blkbits); |