On Tue, Jul 21, 2015 at 10:11 PM, Ming Lin <mlin@xxxxxxxxxx> wrote: > On Fri, Jul 17, 2015 at 10:21 PM, Ming Lin <mlin@xxxxxxxxxx> wrote: >> On Fri, 2015-07-17 at 19:10 -0700, Kent Overstreet wrote: >>> BTW - probably the most valuable thing you could help out with is the >>> documentation, in particular the guide: >>> http://bcache.evilpiepirate.org/BcacheGuide/ >>> >>> Can you read through (at least some of) that, and tell me what's useful and what >>> needs clarifying? And tell me what you'd like to see added to the guide next - >>> I'll try and work on documentation over the next two weeks, since I probably >>> won't be able to do much real coding with my test machines offline. >> >> Yes, I'll read through that. > > Would you add some example to explain how the extents/inodes/dirents are stored > in the btree on disk? > > I'm reading the debug code in drivers/md/bcache/debug.c. > It seems helpful to learn about the internal btree structure. For whom interested: "cat" these files to dump the btree. root@bee:/sys/kernel/debug/bcache/07170fb5-b9bd-4f44-a7e3-c657a367a960# ls dirents dirents-formats extents extents-formats inodes inodes-formats xattrs xattrs-formats -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
