Re: cant mount bcachefs

On Wed, Jul 29, 2015 at 10:36 AM, Георгий Стариков [off-list ref] wrote:

Hello,
I followed instruction at http://bcache.evilpiepirate.org/ and it cant mount...
What I'm doing wrong?


I make:

git clone -b bcache-dev http://evilpiepirate.org/git/linux-bcache.git
git clone -b dev http://evilpiepirate.org/git/bcache-tools.git

cd bcache-tools/linux-bcache/
make oldconfig
make -j6 deb-pkg
make -j6 modules_install
make -j6 install
reboot

wipefs -a /dev/sdd

Then, just run

bcacheadm format -C /dev/sdd
strace -v -o bcache_mount_strace.txt mount /dev/sdd /test_bcachefs

and it hangup....

Any message in dmesg?

Could you do:

cat  /proc/`pidof mount`/stack

root@bcache:~# tail bcache_mount_strace.txt
geteuid()                               = 0
getgid()                                = 0
getegid()                               = 0
prctl(PR_GET_DUMPABLE)                  = 1
stat("/run", {st_dev=makedev(0, 18), st_ino=2625,
st_mode=S_IFDIR|0755, st_nlink=23, st_uid=0, st_gid=0,
st_blksize=4096, st_blocks=0, st_size=740,
st_atime=2015/07/17-13:07:47, st_mtime=2015/07/29-14:20:25,
st_ctime=2015/07/29-14:20:25}) = 0
lstat("/etc/mtab", {st_dev=makedev(8, 1), st_ino=131233,
st_mode=S_IFLNK|0777, st_nlink=1, st_uid=0, st_gid=0, st_blksize=4096,
st_blocks=0, st_size=12, st_atime=2015/07/29-06:40:34,
st_mtime=2015/07/12-10:40:12, st_ctime=2015/07/12-10:40:12}) = 0
lstat("/run/mount/utab", {st_dev=makedev(0, 18), st_ino=1968,
st_mode=S_IFREG|0644, st_nlink=1, st_uid=0, st_gid=0, st_blksize=4096,
st_blocks=0, st_size=0, st_atime=2015/07/17-13:10:49,
st_mtime=2015/07/17-13:10:49, st_ctime=2015/07/17-13:10:49}) = 0
open("/run/mount/utab", O_RDWR|O_CREAT|O_CLOEXEC, 0644) = 3
close(3)                                = 0
mount("/dev/sdd", "/test_bcachefs", "bcache", MS_MGC_VAL, NULL