1 files changed, 29 insertions, 32 deletions

diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 124852bcf6fe..fc48f37aa2dd 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -68,37 +68,23 @@ static void udf_update_extents(struct inode *,
 static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
 
 
-void udf_delete_inode(struct inode *inode)
-{
-        truncate_inode_pages(&inode->i_data, 0);
-
-        if (is_bad_inode(inode))
-                goto no_delete;
-
-        inode->i_size = 0;
-        udf_truncate(inode);
-        lock_kernel();
-
-        udf_update_inode(inode, IS_SYNC(inode));
-        udf_free_inode(inode);
-
-        unlock_kernel();
-        return;
-
-no_delete:
-        clear_inode(inode);
-}
-
-/*
- * If we are going to release inode from memory, we truncate last inode extent
- * to proper length. We could use drop_inode() but it's called under inode_lock
- * and thus we cannot mark inode dirty there.  We use clear_inode() but we have
- * to make sure to write inode as it's not written automatically.
- */
-void udf_clear_inode(struct inode *inode)
+void udf_evict_inode(struct inode *inode)
 {
         struct udf_inode_info *iinfo = UDF_I(inode);
+        int want_delete = 0;
+
+        truncate_inode_pages(&inode->i_data, 0);
 
+        if (!inode->i_nlink && !is_bad_inode(inode)) {
+                want_delete = 1;
+                inode->i_size = 0;
+                udf_truncate(inode);
+                lock_kernel();
+                udf_update_inode(inode, IS_SYNC(inode));
+                unlock_kernel();
+        }
+        invalidate_inode_buffers(inode);
+        end_writeback(inode);
         if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB &&
             inode->i_size != iinfo->i_lenExtents) {
                 printk(KERN_WARNING "UDF-fs (%s): Inode %lu (mode %o) has "
@@ -108,9 +94,13 @@ void udf_clear_inode(struct inode *inode)
                         (unsigned long long)inode->i_size,
                         (unsigned long long)iinfo->i_lenExtents);
         }
-
         kfree(iinfo->i_ext.i_data);
         iinfo->i_ext.i_data = NULL;
+        if (want_delete) {
+                lock_kernel();
+                udf_free_inode(inode);
+                unlock_kernel();
+        }
 }
 
 static int udf_writepage(struct page *page, struct writeback_control *wbc)
@@ -127,9 +117,16 @@ static int udf_write_begin(struct file *file, struct address_space *mapping,
                         loff_t pos, unsigned len, unsigned flags,
                         struct page **pagep, void **fsdata)
 {
-        *pagep = NULL;
-        return block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-                                udf_get_block);
+        int ret;
+
+        ret = block_write_begin(mapping, pos, len, flags, pagep, udf_get_block);
+        if (unlikely(ret)) {
+                loff_t isize = mapping->host->i_size;
+                if (pos + len > isize)
+                        vmtruncate(mapping->host, isize);
+        }
+
+        return ret;
 }
 
 static sector_t udf_bmap(struct address_space *mapping, sector_t block)