summaryrefslogtreecommitdiffstats
path: root/xlators
diff options
context:
space:
mode:
Diffstat (limited to 'xlators')
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-data.c38
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-entry.c34
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-metadata.c40
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-name.c35
-rw-r--r--xlators/cluster/afr/src/afr.h1
5 files changed, 66 insertions, 82 deletions
diff --git a/xlators/cluster/afr/src/afr-self-heal-data.c b/xlators/cluster/afr/src/afr-self-heal-data.c
index c0548d9958f..402474e787b 100644
--- a/xlators/cluster/afr/src/afr-self-heal-data.c
+++ b/xlators/cluster/afr/src/afr-self-heal-data.c
@@ -388,7 +388,6 @@ __afr_selfheal_truncate_sinks (call_frame_t *frame, xlator_t *this,
*/
static int
__afr_selfheal_data_finalize_source (xlator_t *this, unsigned char *sources,
- unsigned char *sinks,
unsigned char *healed_sinks,
unsigned char *locked_on,
struct afr_reply *replies)
@@ -397,17 +396,14 @@ __afr_selfheal_data_finalize_source (xlator_t *this, unsigned char *sources,
afr_private_t *priv = NULL;
uint64_t size = 0;
int source = -1;
- int locked_count = 0;
int sources_count = 0;
- int healed_sinks_count = 0;
priv = this->private;
- locked_count = AFR_COUNT (locked_on, priv->child_count);
sources_count = AFR_COUNT (sources, priv->child_count);
- healed_sinks_count = AFR_COUNT (healed_sinks, priv->child_count);
- if (locked_count == healed_sinks_count || !sources_count) {
+ if ((AFR_CMP (locked_on, healed_sinks, priv->child_count) == 0)
+ || !sources_count) {
/* split brain */
return -EIO;
}
@@ -426,7 +422,7 @@ __afr_selfheal_data_finalize_source (xlator_t *this, unsigned char *sources,
continue;
if (replies[i].poststat.ia_size < size) {
sources[i] = 0;
- sinks[i] = 1;
+ healed_sinks[i] = 1;
}
}
@@ -451,7 +447,6 @@ __afr_selfheal_data_prepare (call_frame_t *frame, xlator_t *this, fd_t *fd,
int ret = -1;
int source = -1;
afr_private_t *priv = NULL;
- int i = 0;
priv = this->private;
@@ -466,22 +461,21 @@ __afr_selfheal_data_prepare (call_frame_t *frame, xlator_t *this, fd_t *fd,
if (ret)
return ret;
- source = __afr_selfheal_data_finalize_source (this, sources, sinks,
- healed_sinks, locked_on,
- replies);
- if (source < 0)
- return -EIO;
+ /* Initialize the healed_sinks[] array optimistically to
+ the intersection of to-be-healed (i.e sinks[]) and
+ the list of servers which are up (i.e locked_on[]).
- for (i = 0; i < priv->child_count; i++)
- /* Initialize the healed_sinks[] array optimistically to
- the intersection of to-be-healed (i.e sinks[]) and
- the list of servers which are up (i.e locked_on[]).
+ As we encounter failures in the healing process, we
+ will unmark the respective servers in the healed_sinks[]
+ array.
+ */
+ AFR_INTERSECT (healed_sinks, sinks, locked_on, priv->child_count);
- As we encounter failures in the healing process, we
- will unmark the respective servers in the healed_sinks[]
- array.
- */
- healed_sinks[i] = sinks[i] && locked_on[i];
+ source = __afr_selfheal_data_finalize_source (this, sources,
+ healed_sinks, locked_on,
+ replies);
+ if (source < 0)
+ return -EIO;
return source;
}
diff --git a/xlators/cluster/afr/src/afr-self-heal-entry.c b/xlators/cluster/afr/src/afr-self-heal-entry.c
index 9e714b0263c..dc1546c7403 100644
--- a/xlators/cluster/afr/src/afr-self-heal-entry.c
+++ b/xlators/cluster/afr/src/afr-self-heal-entry.c
@@ -430,24 +430,21 @@ afr_selfheal_entry_do (call_frame_t *frame, xlator_t *this, fd_t *fd,
static int
__afr_selfheal_entry_finalize_source (xlator_t *this, unsigned char *sources,
- unsigned char *sinks,
+ unsigned char *healed_sinks,
unsigned char *locked_on,
struct afr_reply *replies)
{
int i = 0;
afr_private_t *priv = NULL;
int source = -1;
- int locked_count = 0;
int sources_count = 0;
- int sinks_count = 0;
priv = this->private;
- locked_count = AFR_COUNT (locked_on, priv->child_count);
sources_count = AFR_COUNT (sources, priv->child_count);
- sinks_count = AFR_COUNT (sinks, priv->child_count);
- if (locked_count == sinks_count || !sources_count) {
+ if ((AFR_CMP (locked_on, healed_sinks, priv->child_count) == 0)
+ || !sources_count) {
return -1;
}
@@ -471,7 +468,6 @@ __afr_selfheal_entry_prepare (call_frame_t *frame, xlator_t *this, fd_t *fd,
int ret = -1;
int source = -1;
afr_private_t *priv = NULL;
- int i = 0;
priv = this->private;
@@ -486,7 +482,18 @@ __afr_selfheal_entry_prepare (call_frame_t *frame, xlator_t *this, fd_t *fd,
if (ret)
return ret;
- source = __afr_selfheal_entry_finalize_source (this, sources, sinks,
+ /* Initialize the healed_sinks[] array optimistically to
+ the intersection of to-be-healed (i.e sinks[]) and
+ the list of servers which are up (i.e locked_on[]).
+
+ As we encounter failures in the healing process, we
+ will unmark the respective servers in the healed_sinks[]
+ array.
+ */
+ AFR_INTERSECT (healed_sinks, sinks, locked_on, priv->child_count);
+
+ source = __afr_selfheal_entry_finalize_source (this, sources,
+ healed_sinks,
locked_on, replies);
if (source < 0) {
/* If source is < 0 (typically split-brain), we perform a
@@ -494,17 +501,6 @@ __afr_selfheal_entry_prepare (call_frame_t *frame, xlator_t *this, fd_t *fd,
}
*source_p = source;
- for (i = 0; i < priv->child_count; i++)
- /* Initialize the healed_sinks[] array optimistically to
- the intersection of to-be-healed (i.e sinks[]) and
- the list of servers which are up (i.e locked_on[]).
-
- As we encounter failures in the healing process, we
- will unmark the respective servers in the healed_sinks[]
- array.
- */
- healed_sinks[i] = sinks[i] && locked_on[i];
-
return ret;
}
diff --git a/xlators/cluster/afr/src/afr-self-heal-metadata.c b/xlators/cluster/afr/src/afr-self-heal-metadata.c
index 8fa59f86880..683fb2dd60a 100644
--- a/xlators/cluster/afr/src/afr-self-heal-metadata.c
+++ b/xlators/cluster/afr/src/afr-self-heal-metadata.c
@@ -88,7 +88,7 @@ __afr_selfheal_metadata_do (call_frame_t *frame, xlator_t *this, inode_t *inode,
static int
__afr_selfheal_metadata_finalize_source (xlator_t *this, unsigned char *sources,
- unsigned char *sinks,
+ unsigned char *healed_sinks,
unsigned char *locked_on,
struct afr_reply *replies)
{
@@ -96,26 +96,23 @@ __afr_selfheal_metadata_finalize_source (xlator_t *this, unsigned char *sources,
afr_private_t *priv = NULL;
struct iatt first = {0, };
int source = -1;
- int locked_count = 0;
int sources_count = 0;
- int sinks_count = 0;
priv = this->private;
- locked_count = AFR_COUNT (locked_on, priv->child_count);
sources_count = AFR_COUNT (sources, priv->child_count);
- sinks_count = AFR_COUNT (sinks, priv->child_count);
- if (locked_count == sinks_count || !sources_count) {
+ if ((AFR_CMP (locked_on, healed_sinks, priv->child_count) == 0)
+ || !sources_count) {
if (!priv->metadata_splitbrain_forced_heal) {
return -EIO;
}
/* Metadata split brain, select one subvol
arbitrarily */
for (i = 0; i < priv->child_count; i++) {
- if (locked_on[i] && sinks[i]) {
+ if (locked_on[i] && healed_sinks[i]) {
sources[i] = 1;
- sinks[i] = 0;
+ healed_sinks[i] = 0;
break;
}
}
@@ -138,7 +135,7 @@ __afr_selfheal_metadata_finalize_source (xlator_t *this, unsigned char *sources,
!IA_EQUAL (first, replies[i].poststat, gid) ||
!IA_EQUAL (first, replies[i].poststat, prot)) {
sources[i] = 0;
- sinks[i] = 1;
+ healed_sinks[i] = 1;
}
}
@@ -155,7 +152,6 @@ __afr_selfheal_metadata_prepare (call_frame_t *frame, xlator_t *this, inode_t *i
int ret = -1;
int source = -1;
afr_private_t *priv = NULL;
- int i = 0;
priv = this->private;
@@ -170,22 +166,22 @@ __afr_selfheal_metadata_prepare (call_frame_t *frame, xlator_t *this, inode_t *i
if (ret)
return ret;
- source = __afr_selfheal_metadata_finalize_source (this, sources, sinks,
+ /* Initialize the healed_sinks[] array optimistically to
+ the intersection of to-be-healed (i.e sinks[]) and
+ the list of servers which are up (i.e locked_on[]).
+
+ As we encounter failures in the healing process, we
+ will unmark the respective servers in the healed_sinks[]
+ array.
+ */
+ AFR_INTERSECT (healed_sinks, sinks, locked_on, priv->child_count);
+
+ source = __afr_selfheal_metadata_finalize_source (this, sources,
+ healed_sinks,
locked_on, replies);
if (source < 0)
return -EIO;
- for (i = 0; i < priv->child_count; i++)
- /* Initialize the healed_sinks[] array optimistically to
- the intersection of to-be-healed (i.e sinks[]) and
- the list of servers which are up (i.e locked_on[]).
-
- As we encounter failures in the healing process, we
- will unmark the respective servers in the healed_sinks[]
- array.
- */
- healed_sinks[i] = sinks[i] && locked_on[i];
-
return source;
}
diff --git a/xlators/cluster/afr/src/afr-self-heal-name.c b/xlators/cluster/afr/src/afr-self-heal-name.c
index 151c401e3b1..f09eb0be6ba 100644
--- a/xlators/cluster/afr/src/afr-self-heal-name.c
+++ b/xlators/cluster/afr/src/afr-self-heal-name.c
@@ -263,23 +263,21 @@ __afr_selfheal_name_do (call_frame_t *frame, xlator_t *this, inode_t *parent,
int
__afr_selfheal_name_finalize_source (xlator_t *this, unsigned char *sources,
- unsigned char *sinks, unsigned char *locked_on,
+ unsigned char *healed_sinks,
+ unsigned char *locked_on,
struct afr_reply *replies)
{
int i = 0;
afr_private_t *priv = NULL;
int source = -1;
- int locked_count = 0;
int sources_count = 0;
- int sinks_count = 0;
priv = this->private;
- locked_count = AFR_COUNT (locked_on, priv->child_count);
sources_count = AFR_COUNT (sources, priv->child_count);
- sinks_count = AFR_COUNT (sinks, priv->child_count);
- if (locked_count == sinks_count || !sources_count) {
+ if ((AFR_CMP (locked_on, healed_sinks, priv->child_count) == 0)
+ || !sources_count) {
return -1;
}
@@ -304,7 +302,6 @@ __afr_selfheal_name_prepare (call_frame_t *frame, xlator_t *this, inode_t *paren
int ret = -1;
int source = -1;
afr_private_t *priv = NULL;
- int i = 0;
priv = this->private;
@@ -318,7 +315,18 @@ __afr_selfheal_name_prepare (call_frame_t *frame, xlator_t *this, inode_t *paren
if (ret)
return ret;
- source = __afr_selfheal_name_finalize_source (this, sources, sinks,
+ /* Initialize the healed_sinks[] array optimistically to
+ the intersection of to-be-healed (i.e sinks[]) and
+ the list of servers which are up (i.e locked_on[]).
+
+ As we encounter failures in the healing process, we
+ will unmark the respective servers in the healed_sinks[]
+ array.
+ */
+ AFR_INTERSECT (healed_sinks, sinks, locked_on, priv->child_count);
+
+ source = __afr_selfheal_name_finalize_source (this, sources,
+ healed_sinks,
locked_on, replies);
if (source < 0) {
/* If source is < 0 (typically split-brain), we perform a
@@ -326,17 +334,6 @@ __afr_selfheal_name_prepare (call_frame_t *frame, xlator_t *this, inode_t *paren
}
*source_p = source;
- for (i = 0; i < priv->child_count; i++)
- /* Initialize the healed_sinks[] array optimistically to
- the intersection of to-be-healed (i.e sinks[]) and
- the list of servers which are up (i.e locked_on[]).
-
- As we encounter failures in the healing process, we
- will unmark the respective servers in the healed_sinks[]
- array.
- */
- healed_sinks[i] = sinks[i] && locked_on[i];
-
return ret;
}
diff --git a/xlators/cluster/afr/src/afr.h b/xlators/cluster/afr/src/afr.h
index 91eef2bf1b7..35d4d545bc9 100644
--- a/xlators/cluster/afr/src/afr.h
+++ b/xlators/cluster/afr/src/afr.h
@@ -50,6 +50,7 @@ typedef int (*afr_changelog_resume_t) (call_frame_t *frame, xlator_t *this);
#define alloca0(size) ({void *__ptr; __ptr = alloca(size); memset(__ptr, 0, size); __ptr;})
#define AFR_COUNT(array,max) ({int __i; int __res = 0; for (__i = 0; __i < max; __i++) if (array[__i]) __res++; __res;})
#define AFR_INTERSECT(dst,src1,src2,max) ({int __i; for (__i = 0; __i < max; __i++) dst[__i] = src1[__i] && src2[__i];})
+#define AFR_CMP(a1,a2,len) ({int __cmp = 0; int __i; for (__i = 0; __i < len; __i++) if (a1[__i] != a2[__i]) { __cmp = 1; break;} __cmp;})
typedef struct _afr_private {
gf_lock_t lock; /* to guard access to child_count, etc */
generated by cgit (git 2.34.1) at 2024-11-17 16:11:01 +0000