1 files changed, 10 insertions, 4 deletions

diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index 5f296934879f..e0a793113ea9 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -1634,9 +1634,12 @@ xfs_vm_write_begin(
 }
 
 /*
- * On failure, we only need to kill delalloc blocks beyond EOF because they
- * will never be written. For blocks within EOF, generic_write_end() zeros them
- * so they are safe to leave alone and be written with all the other valid data.
+ * On failure, we only need to kill delalloc blocks beyond EOF in the range of
+ * this specific write because they will never be written. Previous writes
+ * beyond EOF where block allocation succeeded do not need to be trashed, so
+ * only new blocks from this write should be trashed. For blocks within
+ * EOF, generic_write_end() zeros them so they are safe to leave alone and be
+ * written with all the other valid data.
  */
 STATIC int
 xfs_vm_write_end(
@@ -1659,8 +1662,11 @@ xfs_vm_write_end(
                 loff_t          to = pos + len;
 
                 if (to > isize) {
-                        truncate_pagecache(inode, isize);
+                        /* only kill blocks in this write beyond EOF */
+                        if (pos > isize)
+                                isize = pos;
                         xfs_vm_kill_delalloc_range(inode, isize, to);
+                        truncate_pagecache_range(inode, isize, to);
                 }
         }
         return ret;