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osd: add copyfrom error injection

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Unfortunately it's nontrivial to inject this from the usual
ceph_test_rados_api_* tests which need to run despite thrashing.

Signed-off-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Sage Weil 2014-12-13 21:16:24 -08:00
parent f8c1d40169
commit 5d2d839dd9
2 changed files with 6 additions and 0 deletions
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1
src/common/config_opts.h
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@ -600,6 +600,7 @@ OPTION(osd_debug_verify_snaps_on_info, OPT_BOOL, false)
OPTION(osd_debug_verify_stray_on_activate, OPT_BOOL, false) OPTION(osd_debug_verify_stray_on_activate, OPT_BOOL, false)
OPTION(osd_debug_skip_full_check_in_backfill_reservation, OPT_BOOL, false) OPTION(osd_debug_skip_full_check_in_backfill_reservation, OPT_BOOL, false)
OPTION(osd_debug_reject_backfill_probability, OPT_DOUBLE, 0) OPTION(osd_debug_reject_backfill_probability, OPT_DOUBLE, 0)
OPTION(osd_debug_inject_copyfrom_error, OPT_BOOL, false) // inject failure during copyfrom completion
OPTION(osd_enable_op_tracker, OPT_BOOL, true) // enable/disable OSD op tracking OPTION(osd_enable_op_tracker, OPT_BOOL, true) // enable/disable OSD op tracking
OPTION(osd_num_op_tracker_shard, OPT_U32, 32) // The number of shards for holding the ops OPTION(osd_num_op_tracker_shard, OPT_U32, 32) // The number of shards for holding the ops
OPTION(osd_op_history_size, OPT_U32, 20) // Max number of completed ops to track OPTION(osd_op_history_size, OPT_U32, 20) // Max number of completed ops to track

5
src/osd/ReplicatedPG.cc
View File

@ -6202,6 +6202,11 @@ void ReplicatedPG::process_copy_chunk(hobject_t oid, ceph_tid_t tid, int r)
r = -EIO; r = -EIO;
goto out; goto out;
} }
if (g_conf->osd_debug_inject_copyfrom_error) {
derr << __func__ << " injecting copyfrom failure" << dendl;
r = -EIO;
goto out;
}
dout(20) << __func__ << " success; committing" << dendl; dout(20) << __func__ << " success; committing" << dendl;