1 files changed, 18 insertions, 1 deletions

diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index 246c7d57c6f9..71a464503c43 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -31,6 +31,7 @@
 #include "xfs_ialloc_btree.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
+#include "xfs_inode_item.h"
 #include "xfs_btree.h"
 #include "xfs_bmap.h"
 #include "xfs_rtalloc.h"
@@ -645,6 +646,7 @@ xfs_iomap_write_unwritten(
         xfs_trans_t     *tp;
         xfs_bmbt_irec_t imap;
         xfs_bmap_free_t free_list;
+        xfs_fsize_t     i_size;
         uint            resblks;
         int             committed;
         int             error;
@@ -705,7 +707,22 @@ xfs_iomap_write_unwritten(
                 if (error)
                         goto error_on_bmapi_transaction;
 
-                error = xfs_bmap_finish(&(tp), &(free_list), &committed);
+                /*
+                 * Log the updated inode size as we go.  We have to be careful
+                 * to only log it up to the actual write offset if it is
+                 * halfway into a block.
+                 */
+                i_size = XFS_FSB_TO_B(mp, offset_fsb + count_fsb);
+                if (i_size > offset + count)
+                        i_size = offset + count;
+
+                i_size = xfs_new_eof(ip, i_size);
+                if (i_size) {
+                        ip->i_d.di_size = i_size;
+                        xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+                }
+
+                error = xfs_bmap_finish(&tp, &free_list, &committed);
                 if (error)
                         goto error_on_bmapi_transaction;