1 files changed, 49 insertions, 14 deletions

diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 001eb0e2d48e..5e0faf4cda79 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -190,18 +190,28 @@ static int truncate_restart_transaction(handle_t *handle, struct inode *inode)
 }
 
 /*
- * Called at the last iput() if i_nlink is zero.
+ * Called at inode eviction from icache
  */
-void ext3_delete_inode (struct inode * inode)
+void ext3_evict_inode (struct inode *inode)
 {
+        struct ext3_block_alloc_info *rsv;
         handle_t *handle;
+        int want_delete = 0;
 
-        if (!is_bad_inode(inode))
+        if (!inode->i_nlink && !is_bad_inode(inode)) {
                 dquot_initialize(inode);
+                want_delete = 1;
+        }
 
         truncate_inode_pages(&inode->i_data, 0);
 
-        if (is_bad_inode(inode))
+        ext3_discard_reservation(inode);
+        rsv = EXT3_I(inode)->i_block_alloc_info;
+        EXT3_I(inode)->i_block_alloc_info = NULL;
+        if (unlikely(rsv))
+                kfree(rsv);
+
+        if (!want_delete)
                 goto no_delete;
 
         handle = start_transaction(inode);
@@ -238,15 +248,22 @@ void ext3_delete_inode (struct inode * inode)
          * having errors), but we can't free the inode if the mark_dirty
          * fails.
          */
-        if (ext3_mark_inode_dirty(handle, inode))
-                /* If that failed, just do the required in-core inode clear. */
-                clear_inode(inode);
-        else
+        if (ext3_mark_inode_dirty(handle, inode)) {
+                /* If that failed, just dquot_drop() and be done with that */
+                dquot_drop(inode);
+                end_writeback(inode);
+        } else {
+                ext3_xattr_delete_inode(handle, inode);
+                dquot_free_inode(inode);
+                dquot_drop(inode);
+                end_writeback(inode);
                 ext3_free_inode(handle, inode);
+        }
         ext3_journal_stop(handle);
         return;
 no_delete:
-        clear_inode(inode);     /* We must guarantee clearing of inode... */
+        end_writeback(inode);
+        dquot_drop(inode);
 }
 
 typedef struct {
@@ -1212,8 +1229,7 @@ retry:
                 ret = PTR_ERR(handle);
                 goto out;
         }
-        ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-                                                        ext3_get_block);
+        ret = __block_write_begin(page, pos, len, ext3_get_block);
         if (ret)
                 goto write_begin_failed;
 
@@ -1798,6 +1814,17 @@ retry:
         ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
                                  offset, nr_segs,
                                  ext3_get_block, NULL);
+        /*
+         * In case of error extending write may have instantiated a few
+         * blocks outside i_size. Trim these off again.
+         */
+        if (unlikely((rw & WRITE) && ret < 0)) {
+                loff_t isize = i_size_read(inode);
+                loff_t end = offset + iov_length(iov, nr_segs);
+
+                if (end > isize)
+                        vmtruncate(inode, isize);
+        }
         if (ret == -ENOSPC && ext3_should_retry_alloc(inode->i_sb, &retries))
                 goto retry;
 
@@ -2560,7 +2587,7 @@ out_stop:
          * If this was a simple ftruncate(), and the file will remain alive
          * then we need to clear up the orphan record which we created above.
          * However, if this was a real unlink then we were called by
-         * ext3_delete_inode(), and we allow that function to clean up the
+         * ext3_evict_inode(), and we allow that function to clean up the
          * orphan info for us.
          */
         if (inode->i_nlink)
@@ -3204,9 +3231,17 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
                 ext3_journal_stop(handle);
         }
 
-        rc = inode_setattr(inode, attr);
+        if ((attr->ia_valid & ATTR_SIZE) &&
+            attr->ia_size != i_size_read(inode)) {
+                rc = vmtruncate(inode, attr->ia_size);
+                if (rc)
+                        goto err_out;
+        }
+
+        setattr_copy(inode, attr);
+        mark_inode_dirty(inode);
 
-        if (!rc && (ia_valid & ATTR_MODE))
+        if (ia_valid & ATTR_MODE)
                 rc = ext3_acl_chmod(inode);
 
 err_out: