1 files changed, 26 insertions, 10 deletions

diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index 749581fa7729..52fb2b59f06e 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -74,7 +74,7 @@ static int ufs_trunc_direct(struct inode *inode)
         unsigned i, tmp;
         int retry;
         
-        UFSD("ENTER\n");
+        UFSD("ENTER: ino %lu\n", inode->i_ino);
 
         sb = inode->i_sb;
         uspi = UFS_SB(sb)->s_uspi;
@@ -96,8 +96,8 @@ static int ufs_trunc_direct(struct inode *inode)
                 block2 = ufs_fragstoblks (frag3);
         }
 
-        UFSD("frag1 %llu, frag2 %llu, block1 %llu, block2 %llu, frag3 %llu,"
-             " frag4 %llu\n",
+        UFSD("ino %lu, frag1 %llu, frag2 %llu, block1 %llu, block2 %llu,"
+             " frag3 %llu, frag4 %llu\n", inode->i_ino,
              (unsigned long long)frag1, (unsigned long long)frag2,
              (unsigned long long)block1, (unsigned long long)block2,
              (unsigned long long)frag3, (unsigned long long)frag4);
@@ -163,7 +163,7 @@ next1:
         mark_inode_dirty(inode);
  next3:
 
-        UFSD("EXIT\n");
+        UFSD("EXIT: ino %lu\n", inode->i_ino);
         return retry;
 }
 
@@ -248,7 +248,7 @@ static int ufs_trunc_indirect(struct inode *inode, u64 offset, void *p)
         }
         ubh_brelse (ind_ubh);
         
-        UFSD("EXIT\n");
+        UFSD("EXIT: ino %lu\n", inode->i_ino);
         
         return retry;
 }
@@ -262,7 +262,7 @@ static int ufs_trunc_dindirect(struct inode *inode, u64 offset, void *p)
         void *dind;
         int retry = 0;
         
-        UFSD("ENTER\n");
+        UFSD("ENTER: ino %lu\n", inode->i_ino);
         
         sb = inode->i_sb;
         uspi = UFS_SB(sb)->s_uspi;
@@ -312,7 +312,7 @@ static int ufs_trunc_dindirect(struct inode *inode, u64 offset, void *p)
         }
         ubh_brelse (dind_bh);
         
-        UFSD("EXIT\n");
+        UFSD("EXIT: ino %lu\n", inode->i_ino);
         
         return retry;
 }
@@ -327,7 +327,7 @@ static int ufs_trunc_tindirect(struct inode *inode)
         void *tind, *p;
         int retry;
         
-        UFSD("ENTER\n");
+        UFSD("ENTER: ino %lu\n", inode->i_ino);
 
         retry = 0;
         
@@ -372,19 +372,21 @@ static int ufs_trunc_tindirect(struct inode *inode)
         }
         ubh_brelse (tind_bh);
         
-        UFSD("EXIT\n");
+        UFSD("EXIT: ino %lu\n", inode->i_ino);
         return retry;
 }
 
 static int ufs_alloc_lastblock(struct inode *inode)
 {
         int err = 0;
+        struct super_block *sb = inode->i_sb;
         struct address_space *mapping = inode->i_mapping;
-        struct ufs_sb_private_info *uspi = UFS_SB(inode->i_sb)->s_uspi;
+        struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
         unsigned i, end;
         sector_t lastfrag;
         struct page *lastpage;
         struct buffer_head *bh;
+        u64 phys64;
 
         lastfrag = (i_size_read(inode) + uspi->s_fsize - 1) >> uspi->s_fshift;
 
@@ -424,6 +426,20 @@ static int ufs_alloc_lastblock(struct inode *inode)
                set_page_dirty(lastpage);
        }
 
+       if (lastfrag >= UFS_IND_FRAGMENT) {
+               end = uspi->s_fpb - ufs_fragnum(lastfrag) - 1;
+               phys64 = bh->b_blocknr + 1;
+               for (i = 0; i < end; ++i) {
+                       bh = sb_getblk(sb, i + phys64);
+                       lock_buffer(bh);
+                       memset(bh->b_data, 0, sb->s_blocksize);
+                       set_buffer_uptodate(bh);
+                       mark_buffer_dirty(bh);
+                       unlock_buffer(bh);
+                       sync_dirty_buffer(bh);
+                       brelse(bh);
+               }
+       }
 out_unlock:
        ufs_put_locked_page(lastpage);
 out: