summaryrefslogtreecommitdiffstats
path: root/xlators/cluster/ec/src/ec.c
diff options
context:
space:
mode:
Diffstat (limited to 'xlators/cluster/ec/src/ec.c')
-rw-r--r--xlators/cluster/ec/src/ec.c51
1 files changed, 30 insertions, 21 deletions
diff --git a/xlators/cluster/ec/src/ec.c b/xlators/cluster/ec/src/ec.c
index c32f4ef..856d60c 100644
--- a/xlators/cluster/ec/src/ec.c
+++ b/xlators/cluster/ec/src/ec.c
@@ -295,6 +295,8 @@ reconfigure (xlator_t *this, dict_t *options)
GF_OPTION_RECONF ("optimistic-change-log", ec->optimistic_changelog,
options, bool, failed);
+ GF_OPTION_RECONF ("parallel-writes", ec->parallel_writes,
+ options, bool, failed);
ret = 0;
if (ec_assign_read_policy (ec, read_policy)) {
ret = -1;
@@ -665,6 +667,7 @@ init (xlator_t *this)
GF_OPTION_INIT ("shd-max-threads", ec->shd.max_threads, uint32, failed);
GF_OPTION_INIT ("shd-wait-qlength", ec->shd.wait_qlength, uint32, failed);
GF_OPTION_INIT ("optimistic-change-log", ec->optimistic_changelog, bool, failed);
+ GF_OPTION_INIT ("parallel-writes", ec->parallel_writes, bool, failed);
this->itable = inode_table_new (EC_SHD_INODE_LRU_LIMIT, this);
if (!this->itable)
@@ -1466,28 +1469,34 @@ struct volume_options options[] =
"galois field computations."
},
{ .key = {"self-heal-window-size"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = 1024,
- .default_value = "1",
- .description = "Maximum number blocks(128KB) per file for which "
- "self-heal process would be applied simultaneously."
+ .type = GF_OPTION_TYPE_INT,
+ .min = 1,
+ .max = 1024,
+ .default_value = "1",
+ .description = "Maximum number blocks(128KB) per file for which "
+ "self-heal process would be applied simultaneously."
},
- { .key = {"optimistic-change-log"},
- .type = GF_OPTION_TYPE_BOOL,
- .default_value = "on",
- .description = "Set/Unset dirty flag for every update fop at the start"
- "of the fop. If OFF, this option impacts performance of"
- "entry operations or metadata operations as it will"
- "set dirty flag at the start and unset it at the end of"
- "ALL update fop. If ON and all the bricks are good,"
- "dirty flag will be set at the start only for file fops"
- "For metadata and entry fops dirty flag will not be set"
- "at the start, if all the bricks are good. This does"
- "not impact performance for metadata operations and"
- "entry operation but has a very small window to miss"
- "marking entry as dirty in case it is required to be"
- "healed"
+ { .key = {"optimistic-change-log"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "on",
+ .description = "Set/Unset dirty flag for every update fop at the start"
+ "of the fop. If OFF, this option impacts performance of"
+ "entry operations or metadata operations as it will"
+ "set dirty flag at the start and unset it at the end of"
+ "ALL update fop. If ON and all the bricks are good,"
+ "dirty flag will be set at the start only for file fops"
+ "For metadata and entry fops dirty flag will not be set"
+ "at the start, if all the bricks are good. This does"
+ "not impact performance for metadata operations and"
+ "entry operation but has a very small window to miss"
+ "marking entry as dirty in case it is required to be"
+ "healed"
+ },
+ { .key = {"parallel-writes"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "on",
+ .description = "This controls if writes can be wound in parallel as long"
+ "as it doesn't modify same stripes"
},
{ .key = {NULL} }
};