This is a note to let you know that I've just added the patch titled
libceph: use pg_num_mask instead of pgp_num_mask for pg.seed calc
to the 3.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
libceph-use-pg_num_mask-instead-of-pgp_num_mask-for-pg.seed-calc.patch
and it can be found in the queue-3.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 9542cf0bf9b1a3adcc2ef271edbcbdba03abf345 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@xxxxxxxxxxx>
Date: Wed, 28 Aug 2013 17:17:29 -0700
Subject: libceph: use pg_num_mask instead of pgp_num_mask for pg.seed calc
From: Sage Weil <sage@xxxxxxxxxxx>
commit 9542cf0bf9b1a3adcc2ef271edbcbdba03abf345 upstream.
Fix a typo that used the wrong bitmask for the pg.seed calculation. This
is normally unnoticed because in most cases pg_num == pgp_num. It is, however,
a bug that is easily corrected.
Signed-off-by: Sage Weil <sage@xxxxxxxxxxx>
Reviewed-by: Alex Elder <alex.elder@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ceph/osdmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -1129,7 +1129,7 @@ static int *calc_pg_raw(struct ceph_osdm
/* pg_temp? */
pgid.seed = ceph_stable_mod(pgid.seed, pool->pg_num,
- pool->pgp_num_mask);
+ pool->pg_num_mask);
pg = __lookup_pg_mapping(&osdmap->pg_temp, pgid);
if (pg) {
*num = pg->len;
Patches currently in stable-queue which might be from sage@xxxxxxxxxxx are
queue-3.10/libceph-unregister-request-in-__map_request-failed-and-nofail-false.patch
queue-3.10/ceph-don-t-forget-the-up_read-osdc-map_sem-if-met-error.patch
queue-3.10/libceph-use-pg_num_mask-instead-of-pgp_num_mask-for-pg.seed-calc.patch
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