Sam Lang a84cd29335 ceph: Use pseudo-random numbers to choose mds ...

We don't need to use up entropy to choose an mds,
so use prandom_u32() to get a pseudo-random number.

Also, we don't need to choose a random mds if only
one mds is available, so add special casing for the
common case.

Fixes http://tracker.ceph.com/issues/3579

Signed-off-by: Sam Lang <sam.lang@inktank.com>
Reviewed-by: Greg Farnum <greg@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>

2013-05-01 21:18:49 -07:00

..

addr.c

libceph: combine initializing and setting osd data

2013-05-01 21:18:23 -07:00

caps.c

ceph: use i_release_count to indicate dir's completeness

2013-05-01 21:17:07 -07:00

ceph_frag.c

ceph: factor out libceph from Ceph file system

2010-10-20 15:37:28 -07:00

debugfs.c

libceph: delay debugfs initialization until we learn global_id

2012-08-20 10:03:15 -07:00

dir.c

ceph: use i_release_count to indicate dir's completeness

2013-05-01 21:17:07 -07:00

export.c

fs: encode_fh: return FILEID_INVALID if invalid fid_type

2013-02-26 02:46:10 -05:00

file.c

libceph: combine initializing and setting osd data

2013-05-01 21:18:23 -07:00

inode.c

ceph: use i_release_count to indicate dir's completeness

2013-05-01 21:17:07 -07:00

ioctl.c

libceph: rename ceph_calc_object_layout()

2013-05-01 21:16:17 -07:00

ioctl.h

ceph: fully initialize new layout

2012-05-16 14:28:27 -05:00

Kconfig

fs/ceph: remove depends on CONFIG_EXPERIMENTAL

2013-01-11 11:39:04 -08:00

locks.c

new helper: file_inode(file)

2013-02-22 23:31:31 -05:00

Makefile

ceph: Makefile: Remove unnessary code

2011-01-12 15:15:13 -08:00

mds_client.c

libceph: add, don't set data for a message

2013-05-01 21:18:34 -07:00

mds_client.h

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client

2013-02-28 17:43:09 -08:00

mdsmap.c

ceph: Use pseudo-random numbers to choose mds

2013-05-01 21:18:49 -07:00

snap.c

ceph: define snap counts as u32 everywhere

2012-07-30 18:15:47 -07:00

strings.c

libceph: update ceph_mds_state_name() and ceph_mds_op_name()

2013-02-18 12:20:34 -06:00

super.c

ceph: set up page array mempool with correct size

2013-05-01 21:17:50 -07:00

super.h

ceph: use i_release_count to indicate dir's completeness

2013-05-01 21:17:07 -07:00

xattr.c

ceph: eliminate sparse warnings in fs code

2013-02-25 15:37:14 -06:00