On Thu, Jul 31, 2008 at 11:03:25PM +0530, Aneesh Kumar K.V wrote: > With the below changes we reserve credit needed to insert only one extent > resulting from a call to single get_block. That make sure we don't take > too much journal credits during writeout. We also don't limit the pages > to write. That means we loop through the dirty pages building largest > possible contiguous block request. Then we issue a single get_block request. > We may get less block that we requested. If so we would end up not mapping > some of the buffer_heads. That means those buffer_heads are still marked delay. > Later in the writepage callback via __mpage_writepage we redirty those pages. > > Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx> Tested with a) fsstress with falloc b) fsxlinux with falloc c) fs_inode d) ffsb e) cp -ax / . with fsck after each test -aneesh -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
