diff options
| author | Pranith Kumar K <pkarampu@redhat.com> | 2015-09-08 16:23:36 +0530 |
|---|---|---|
| committer | Xavier Hernandez <xhernandez@datalab.es> | 2015-10-09 05:26:05 -0700 |
| commit | fe3c6f0fa2bf8590f4c540fd9561aeeec1243361 (patch) | |
| tree | 03955fdaac90d3254b5c833094839aa44af5fe34 /xlators/cluster/ec/src/ec.h | |
| parent | 47d8d2fc9c88c95dfcae2c5c06e6eb3b1ce03a92 (diff) | |
cluster/ec: Implement gfid-hash read-policy
Add a policy in ec to performs reads from same bricks as long as they
are good. Based on the gfid of the file/directory it determines the
bricks to be considered for reading.
Change-Id: Ic97b5c54c086a28b5e07a330a4fd448551b49376
BUG: 1261260
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/12133
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
Diffstat (limited to 'xlators/cluster/ec/src/ec.h')
| -rw-r--r-- | xlators/cluster/ec/src/ec.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/xlators/cluster/ec/src/ec.h b/xlators/cluster/ec/src/ec.h index f335fd52afc..4ee7983b289 100644 --- a/xlators/cluster/ec/src/ec.h +++ b/xlators/cluster/ec/src/ec.h @@ -25,6 +25,12 @@ #define EC_VERSION_SIZE 2 +typedef enum { + EC_ROUND_ROBIN, + EC_GFID_HASH, + EC_READ_POLICY_MAX +} ec_read_policy_t; + struct _ec { xlator_t * xl; @@ -58,6 +64,7 @@ struct _ec ec_self_heald_t shd; char vol_uuid[UUID_SIZE + 1]; dict_t *leaf_to_subvolid; + ec_read_policy_t read_policy; }; void ec_pending_fops_completed(ec_t *ec); |