On Sun, Apr 21, 2013 at 08:09:14AM +0200, Jiri Slaby wrote: > On 04/21/2013 02:07 AM, Theodore Ts'o wrote: > > This allows metadata writebacks which are issued via block device > > writeback to be sent with the current write request flags. > > Hi, where do these come from? > fs/ext4/ext4_jbd2.c: In function ‘__ext4_handle_dirty_metadata’: > fs/ext4/ext4_jbd2.c:218:2: error: implicit declaration of function > ‘mark_buffer_meta’ [-Werror=implicit-function-declaration] > fs/ext4/ext4_jbd2.c:219:2: error: implicit declaration of function > ‘mark_buffer_prio’ [-Werror=implicit-function-declaration] > cc1: some warnings being treated as errors They are defined by "[PATCH 2/3] buffer: add BH_Prio and BH_Meta flags" here: +BUFFER_FNS(Meta, meta) +BUFFER_FNS(Prio, prio) When you tried applying this patch, did you try applying all three patches in the patch series? - Ted -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>