ext4: do not ask jbd2 to write data for delalloc buffers

[sfrench/cifs-2.6.git] / fs / ext4 / ext4.h

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index f75e9ebd4ca2c1ba90b0d0f1f449cda6993177ad..cb00b1119ec935ae36dd927d93af6c4d7db2dbcc 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -581,6 +581,9 @@ enum {
 #define EXT4_GET_BLOCKS_ZERO                   0x0200
 #define EXT4_GET_BLOCKS_CREATE_ZERO            (EXT4_GET_BLOCKS_CREATE |\
                                        EXT4_GET_BLOCKS_ZERO)
+       /* Caller will submit data before dropping transaction handle. This
+        * allows jbd2 to avoid submitting data before commit. */
+#define EXT4_GET_BLOCKS_IO_SUBMIT              0x0400
 
 /*
  * The bit position of these flags must not overlap with any of the