X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=fs%2Fufs%2Finode.c;h=30c6e8a9446c20382147423d97cc77af2a4ac137;hb=dd8e9ed6ed544e2b924429d29cd2a6b55590109b;hp=259bd196099d5c4128b41be2d144c16011ea1981;hpb=f17a2686b11453680e9662ef8bdc8d948d0dce18;p=powerpc.git

diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 259bd19609..30c6e8a944 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -98,7 +98,9 @@ static u64 ufs_frag_map(struct inode *inode, sector_t frag)
 	u64 temp = 0L;
 
 	UFSD(": frag = %llu  depth = %d\n", (unsigned long long)frag, depth);
-	UFSD(": uspi->s_fpbshift = %d ,uspi->s_apbmask = %x, mask=%llx\n",uspi->s_fpbshift,uspi->s_apbmask,mask);
+	UFSD(": uspi->s_fpbshift = %d ,uspi->s_apbmask = %x, mask=%llx\n",
+		uspi->s_fpbshift, uspi->s_apbmask,
+		(unsigned long long)mask);
 
 	if (depth == 0)
 		return 0;
@@ -167,18 +169,20 @@ static void ufs_clear_frag(struct inode *inode, struct buffer_head *bh)
 
 static struct buffer_head *
 ufs_clear_frags(struct inode *inode, sector_t beg,
-		unsigned int n)
+		unsigned int n, sector_t want)
 {
-	struct buffer_head *res, *bh;
+	struct buffer_head *res = NULL, *bh;
 	sector_t end = beg + n;
 
-	res = sb_getblk(inode->i_sb, beg);
-	ufs_clear_frag(inode, res);
-	for (++beg; beg < end; ++beg) {
+	for (; beg < end; ++beg) {
 		bh = sb_getblk(inode->i_sb, beg);
 		ufs_clear_frag(inode, bh);
-		brelse(bh);
+		if (want != beg)
+			brelse(bh);
+		else
+			res = bh;
 	}
+	BUG_ON(!res);
 	return res;
 }
 
@@ -263,7 +267,9 @@ repeat:
 			lastfrag = ufsi->i_lastfrag;
 			
 		}
-		goal = fs32_to_cpu(sb, ufsi->i_u1.i_data[lastblock]) + uspi->s_fpb;
+		tmp = fs32_to_cpu(sb, ufsi->i_u1.i_data[lastblock]);
+		if (tmp)
+			goal = tmp + uspi->s_fpb;
 		tmp = ufs_new_fragments (inode, p, fragment - blockoff, 
 					 goal, required + blockoff,
 					 err, locked_page);
@@ -275,13 +281,15 @@ repeat:
 		tmp = ufs_new_fragments(inode, p, fragment - (blockoff - lastblockoff),
 					fs32_to_cpu(sb, *p), required +  (blockoff - lastblockoff),
 					err, locked_page);
-	}
+	} else /* (lastblock > block) */ {
 	/*
 	 * We will allocate new block before last allocated block
 	 */
-	else /* (lastblock > block) */ {
-		if (lastblock && (tmp = fs32_to_cpu(sb, ufsi->i_u1.i_data[lastblock-1])))
-			goal = tmp + uspi->s_fpb;
+		if (block) {
+			tmp = fs32_to_cpu(sb, ufsi->i_u1.i_data[block-1]);
+			if (tmp)
+				goal = tmp + uspi->s_fpb;
+		}
 		tmp = ufs_new_fragments(inode, p, fragment - blockoff,
 					goal, uspi->s_fpb, err, locked_page);
 	}
@@ -294,7 +302,7 @@ repeat:
 	}
 
 	if (!phys) {
-		result = ufs_clear_frags(inode, tmp + blockoff, required);
+		result = ufs_clear_frags(inode, tmp, required, tmp + blockoff);
 	} else {
 		*phys = tmp + blockoff;
 		result = NULL;
@@ -381,7 +389,7 @@ repeat:
 		}
 	}
 
-	if (block && (tmp = fs32_to_cpu(sb, ((__fs32*)bh->b_data)[block-1]) + uspi->s_fpb))
+	if (block && (tmp = fs32_to_cpu(sb, ((__fs32*)bh->b_data)[block-1])))
 		goal = tmp + uspi->s_fpb;
 	else
 		goal = bh->b_blocknr + uspi->s_fpb;
@@ -395,7 +403,8 @@ repeat:
 
 
 	if (!phys) {
-		result = ufs_clear_frags(inode, tmp + blockoff, uspi->s_fpb);
+		result = ufs_clear_frags(inode, tmp, uspi->s_fpb,
+					 tmp + blockoff);
 	} else {
 		*phys = tmp + blockoff;
 		*new = 1;
@@ -429,7 +438,7 @@ int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buffer_head
 	
 	if (!create) {
 		phys64 = ufs_frag_map(inode, fragment);
-		UFSD("phys64 = %llu \n",phys64);
+		UFSD("phys64 = %llu\n", (unsigned long long)phys64);
 		if (phys64)
 			map_bh(bh_result, sb, phys64);
 		return 0;
@@ -574,7 +583,7 @@ static sector_t ufs_bmap(struct address_space *mapping, sector_t block)
 {
 	return generic_block_bmap(mapping,block,ufs_getfrag_block);
 }
-struct address_space_operations ufs_aops = {
+const struct address_space_operations ufs_aops = {
 	.readpage = ufs_readpage,
 	.writepage = ufs_writepage,
 	.sync_page = block_sync_page,
@@ -841,14 +850,17 @@ int ufs_sync_inode (struct inode *inode)
 
 void ufs_delete_inode (struct inode * inode)
 {
+	loff_t old_i_size;
+
 	truncate_inode_pages(&inode->i_data, 0);
 	/*UFS_I(inode)->i_dtime = CURRENT_TIME;*/
 	lock_kernel();
 	mark_inode_dirty(inode);
 	ufs_update_inode(inode, IS_SYNC(inode));
+	old_i_size = inode->i_size;
 	inode->i_size = 0;
-	if (inode->i_blocks)
-		ufs_truncate (inode);
+	if (inode->i_blocks && ufs_truncate(inode, old_i_size))
+		ufs_warning(inode->i_sb, __FUNCTION__, "ufs_truncate failed\n");
 	ufs_free_inode (inode);
 	unlock_kernel();
 }