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authorRaghavendra G <raghavendra@gluster.com>2012-04-02 16:32:18 +0530
committerAnand Avati <avati@redhat.com>2012-04-23 10:41:03 -0700
commitfc024df2b6f9307f23a4a0800103555708036b17 (patch)
treeb2582b6623e2791167ce23586ff00823991ddee5 /libglusterfs/src/syncop.c
parentfdcbf065a9a4c39f08dfbe9e40695de250829bd8 (diff)
cluster/distribute: handle dht_layout_normalize errors differently in
dht_lookup_dir_cbk and dht_discover_complete. return value from dht_layout_normalize is interpreted as follows: ret > 0 - number of subvolumes returned ENOENT errors. ret = 0 - no anomalies found. ret < 0 - there are holes/overlaps. We need to handle errors differently in dht_discover_cbk because, if a subvolume is newly added, the directory will not be present on it and we cannot create a directory there since a nameless lookup has resulted execution in this code-path. Hence if directory is guaranteed to be present in atleast one subvolume and there are no holes/overlaps in the layout, lookup can be treated as successful. there is no change in behaviour dht_lookup_dir_cbk caused by this patch. Change-Id: I9b0b510f1c7de187be95a47da6c9ec57b5e38d1d BUG: 802233 Signed-off-by: Raghavendra G <raghavendra@gluster.com> Reviewed-on: http://review.gluster.com/3069 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'libglusterfs/src/syncop.c')
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