On Thursday 15 July 2010 11:07:07 Miao Xie wrote: > On Thu Jul 15 2010 16:14:31 GMT+0800 (CST), Yan, Zheng wrote: > > 2010/7/15 Miao Xie<mi...@cn.fujitsu.com>: > >> Hi, everyone > >> > >> I found btrfs will hangup when we run the sync command on my > >> x86_64 box. > >> > >> The reproduce steps is following: > >> # mkfs.btrfs -s 8192 -l 8192 -n 8192 /dev/sda1 > >> # mount /dev/sda1 /mnt > >> # echo 1234567> /mnt/aaa > >> # sync > >> (btrfs hangs up) > >> > >> It seems that the btrfs doesn't support the sectorsize which is > >> greater than the page size just like ext2/3/4, though we can use > >> mkfs.btrfs to make a filesystem with a big sectorsize. Am I right? > >> > >> If yes, we must do more check in the mkfs.btrfs. > > > > yes, btrfs doesn't support the sectorsize> PAGE_size. > > So we must do more check in the mkfs.btrfs to avoid misuse, and I'll > add some check of the sectorsize into the mkfs.btrfs.
I don't think that denying of creation of FSs with sectorsize > pagesize is a good idea. A warning would be better: Warning: The filesystem you are about to create won't be usable on your computer architecture. Do you want to continue? y/n: Unless the FS created in such way is unusabe in any circumstances... > BTW, I sent some patches to the btrfs community recently, but I haven't > received any reply. Could you review them for me? though I have tested > them and everything works well. > > [PATCH 1/2] btrfs: restructure try_release_extent_buffer() > [PATCH 2/2] btrfs: fix oops when leafsize is greator than nodesize > [PATCH] btrfs-progs: fix wrong extent buffer size when reading tree block > > Thanks > Miao Xie -- Hubert Kario QBS - Quality Business Software ul. Ksawerów 30/85 02-656 Warszawa POLAND tel. +48 (22) 646-61-51, 646-74-24 fax +48 (22) 646-61-50 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
