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

Browse source 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
  ceph: add missing spin_unlock at ceph_mdsc_build_path()
  ceph: fix SEEK_CUR, SEEK_SET regression
  crush: fix mapping calculation when force argument doesn't exist
  ceph: use i_ceph_lock instead of i_lock
  rbd: remove buggy rollback functionality
  rbd: return an error when an invalid header is read
  ceph: fix rasize reporting by ceph_show_options
This commit is contained in:
Linus Torvalds 2011-12-13 14:59:42 -08:00
commit 653f42f6b6
15 changed files with 239 additions and 329 deletions
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35
net/ceph/crush/mapper.c
View file

@ -477,7 +477,6 @@ int crush_do_rule(struct crush_map *map,
int i, j;
int numrep;
int firstn;
int rc = -1;
BUG_ON(ruleno >= map->max_rules);
@ -491,23 +490,18 @@ int crush_do_rule(struct crush_map *map,
* that this may or may not correspond to the specific types
* referenced by the crush rule.
*/
if (force >= 0) {
if (force >= map->max_devices ||
map->device_parents[force] == 0) {
/*dprintk("CRUSH: forcefed device dne\n");*/
rc = -1; /* force fed device dne */
goto out;
}
if (!is_out(map, weight, force, x)) {
while (1) {
force_context[++force_pos] = force;
if (force >= 0)
force = map->device_parents[force];
else
force = map->bucket_parents[-1-force];
if (force == 0)
break;
}
if (force >= 0 &&
force < map->max_devices &&
map->device_parents[force] != 0 &&
!is_out(map, weight, force, x)) {
while (1) {
force_context[++force_pos] = force;
if (force >= 0)
force = map->device_parents[force];
else
force = map->bucket_parents[-1-force];
if (force == 0)
break;
}
}
@ -600,10 +594,7 @@ int crush_do_rule(struct crush_map *map,
BUG_ON(1);
}
}
rc = result_len;
out:
return rc;
return result_len;
}