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authorPranith K <pranithk@gluster.com>2011-07-14 06:30:20 +0000
committerAnand Avati <avati@gluster.com>2011-07-17 07:45:17 -0700
commit10e50f9df6de9efccd66dc8b37c73c52569e3559 (patch)
treece4deeaf4e0773509d89faeb33bf78339d15d995 /xlators/cluster/afr/src/afr-self-heal-entry.c
parentb0a3a3fda3f0993cd8c0e1b135bb569b6543e7c0 (diff)
cluster/afr: make expunge/impunge re-usable
Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Signed-off-by: Anand Avati <avati@gluster.com> BUG: 2745 (failure to detect split brain) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2745
Diffstat (limited to 'xlators/cluster/afr/src/afr-self-heal-entry.c')
-rw-r--r--xlators/cluster/afr/src/afr-self-heal-entry.c228
1 files changed, 164 insertions, 64 deletions
diff --git a/xlators/cluster/afr/src/afr-self-heal-entry.c b/xlators/cluster/afr/src/afr-self-heal-entry.c
index 50870afb204..7e43c427737 100644
--- a/xlators/cluster/afr/src/afr-self-heal-entry.c
+++ b/xlators/cluster/afr/src/afr-self-heal-entry.c
@@ -372,7 +372,8 @@ afr_sh_entry_expunge_subvol (call_frame_t *frame, xlator_t *this,
int
afr_sh_entry_expunge_entry_done (call_frame_t *frame, xlator_t *this,
- int active_src)
+ int active_src, int32_t op_ret,
+ int32_t op_errno)
{
int call_count = 0;
@@ -395,21 +396,25 @@ afr_sh_entry_expunge_parent_setattr_cbk (call_frame_t *expunge_frame,
afr_self_heal_t *expunge_sh = NULL;
call_frame_t *frame = NULL;
int active_src = (long) cookie;
+ afr_self_heal_t *sh = NULL;
+ afr_local_t *local = NULL;
priv = this->private;
expunge_local = expunge_frame->local;
expunge_sh = &expunge_local->self_heal;
frame = expunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
if (op_ret != 0) {
- gf_log (this->name, GF_LOG_INFO,
+ gf_log (this->name, GF_LOG_ERROR,
"setattr on parent directory of %s on subvolume %s failed: %s",
expunge_local->loc.path,
priv->children[active_src]->name, strerror (op_errno));
}
AFR_STACK_DESTROY (expunge_frame);
- afr_sh_entry_expunge_entry_done (frame, this, active_src);
+ sh->expunge_done (frame, this, active_src, op_ret, op_errno);
return 0;
}
@@ -520,15 +525,17 @@ afr_sh_entry_expunge_remove (call_frame_t *expunge_frame, xlator_t *this,
afr_private_t *priv = NULL;
afr_local_t *expunge_local = NULL;
afr_self_heal_t *expunge_sh = NULL;
- int source = 0;
call_frame_t *frame = NULL;
int type = 0;
+ afr_self_heal_t *sh = NULL;
+ afr_local_t *local = NULL;
priv = this->private;
expunge_local = expunge_frame->local;
expunge_sh = &expunge_local->self_heal;
frame = expunge_sh->sh_frame;
- source = expunge_sh->source;
+ local = frame->local;
+ sh = &local->self_heal;
type = buf->ia_type;
@@ -548,7 +555,7 @@ afr_sh_entry_expunge_remove (call_frame_t *expunge_frame, xlator_t *this,
gf_log (this->name, GF_LOG_ERROR,
"%s has unknown file type on %s: 0%o",
expunge_local->loc.path,
- priv->children[source]->name, type);
+ priv->children[active_src]->name, type);
goto out;
break;
}
@@ -556,7 +563,7 @@ afr_sh_entry_expunge_remove (call_frame_t *expunge_frame, xlator_t *this,
return 0;
out:
AFR_STACK_DESTROY (expunge_frame);
- afr_sh_entry_expunge_entry_done (frame, this, active_src);
+ sh->expunge_done (frame, this, active_src, -1, EINVAL);
return 0;
}
@@ -574,15 +581,19 @@ afr_sh_entry_expunge_lookup_cbk (call_frame_t *expunge_frame, void *cookie,
afr_self_heal_t *expunge_sh = NULL;
call_frame_t *frame = NULL;
int active_src = 0;
+ afr_self_heal_t *sh = NULL;
+ afr_local_t *local = NULL;
priv = this->private;
expunge_local = expunge_frame->local;
expunge_sh = &expunge_local->self_heal;
frame = expunge_sh->sh_frame;
active_src = (long) cookie;
+ local = frame->local;
+ sh = &local->self_heal;
if (op_ret == -1) {
- gf_log (this->name, GF_LOG_DEBUG,
+ gf_log (this->name, GF_LOG_ERROR,
"lookup of %s on %s failed (%s)",
expunge_local->loc.path,
priv->children[active_src]->name,
@@ -595,7 +606,7 @@ afr_sh_entry_expunge_lookup_cbk (call_frame_t *expunge_frame, void *cookie,
return 0;
out:
AFR_STACK_DESTROY (expunge_frame);
- afr_sh_entry_expunge_entry_done (frame, this, active_src);
+ sh->expunge_done (frame, this, active_src, op_ret, op_errno);
return 0;
}
@@ -638,7 +649,8 @@ afr_sh_entry_expunge_entry_cbk (call_frame_t *expunge_frame, void *cookie,
call_frame_t *frame = NULL;
int active_src = 0;
int need_expunge = 0;
-
+ afr_self_heal_t *sh = NULL;
+ afr_local_t *local = NULL;
priv = this->private;
expunge_local = expunge_frame->local;
@@ -646,6 +658,8 @@ afr_sh_entry_expunge_entry_cbk (call_frame_t *expunge_frame, void *cookie,
frame = expunge_sh->sh_frame;
active_src = expunge_sh->active_source;
source = (long) cookie;
+ local = frame->local;
+ sh = &local->self_heal;
if (op_ret == -1 && op_errno == ENOENT)
need_expunge = 1;
@@ -695,7 +709,7 @@ out:
}
AFR_STACK_DESTROY (expunge_frame);
- afr_sh_entry_expunge_entry_done (frame, this, active_src);
+ sh->expunge_done (frame, this, active_src, op_ret, op_errno);
return 0;
}
@@ -716,6 +730,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
int source = 0;
int op_errno = 0;
char *name = NULL;
+ int op_ret = -1;
priv = this->private;
local = frame->local;
@@ -723,6 +738,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
active_src = sh->active_source;
source = sh->source;
+ sh->expunge_done = afr_sh_entry_expunge_entry_done;
name = entry->d_name;
@@ -734,6 +750,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
gf_log (this->name, GF_LOG_TRACE,
"skipping inspection of %s under %s",
name, local->loc.path);
+ op_ret = 0;
goto out;
}
@@ -743,6 +760,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
expunge_frame = copy_frame (frame);
if (!expunge_frame) {
+ op_errno = ENOMEM;
goto out;
}
@@ -756,6 +774,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
ret = build_child_loc (this, &expunge_local->loc, &local->loc, name);
if (ret != 0) {
+ op_errno = EINVAL;
goto out;
}
@@ -773,7 +792,7 @@ afr_sh_entry_expunge_entry (call_frame_t *frame, xlator_t *this,
ret = 0;
out:
if (ret == -1)
- afr_sh_entry_expunge_entry_done (frame, this, active_src);
+ sh->expunge_done (frame, this, active_src, op_ret, op_errno);
return 0;
}
@@ -906,7 +925,8 @@ out:
int
afr_sh_entry_impunge_entry_done (call_frame_t *frame, xlator_t *this,
- int active_src)
+ int active_src, int32_t op_ret,
+ int32_t op_errno)
{
int call_count = 0;
@@ -934,6 +954,7 @@ afr_sh_entry_impunge_setattr_cbk (call_frame_t *impunge_frame, void *cookie,
call_frame_t *frame = NULL;
int active_src = 0;
int child_index = 0;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
@@ -941,7 +962,7 @@ afr_sh_entry_impunge_setattr_cbk (call_frame_t *impunge_frame, void *cookie,
frame = impunge_sh->sh_frame;
local = frame->local;
sh = &local->self_heal;
- active_src = sh->active_source;
+ active_src = impunge_sh->active_source;
child_index = (long) cookie;
if (op_ret == 0) {
@@ -964,8 +985,10 @@ afr_sh_entry_impunge_setattr_cbk (call_frame_t *impunge_frame, void *cookie,
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -982,9 +1005,8 @@ afr_sh_entry_impunge_xattrop_cbk (call_frame_t *impunge_frame, void *cookie,
afr_local_t *impunge_local = NULL;
afr_self_heal_t *impunge_sh = NULL;
int child_index = 0;
-
- struct iatt stbuf;
- int32_t valid = 0;
+ struct iatt stbuf = {0};
+ int32_t valid = 0;
priv = this->private;
impunge_local = impunge_frame->local;
@@ -1076,6 +1098,7 @@ afr_sh_entry_impunge_newfile_cbk (call_frame_t *impunge_frame, void *cookie,
int32_t valid = 0;
loc_t *parent_loc = NULL;
struct iatt parentbuf = {0,};
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
@@ -1083,7 +1106,7 @@ afr_sh_entry_impunge_newfile_cbk (call_frame_t *impunge_frame, void *cookie,
frame = impunge_sh->sh_frame;
local = frame->local;
sh = &local->self_heal;
- active_src = sh->active_source;
+ active_src = impunge_sh->active_source;
child_index = (long) cookie;
@@ -1169,8 +1192,10 @@ out:
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, -1,
+ op_errno);
}
}
@@ -1270,14 +1295,23 @@ int
afr_sh_entry_impunge_symlink (call_frame_t *impunge_frame, xlator_t *this,
int child_index, const char *linkname)
{
- afr_private_t *priv = NULL;
- afr_local_t *impunge_local = NULL;
- dict_t *dict = NULL;
- struct iatt *buf = NULL;
- int ret = 0;
+ afr_private_t *priv = NULL;
+ afr_local_t *impunge_local = NULL;
+ dict_t *dict = NULL;
+ struct iatt *buf = NULL;
+ int ret = 0;
+ call_frame_t *frame = NULL;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ afr_self_heal_t *impunge_sh = NULL;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
+ impunge_sh = &impunge_local->self_heal;
+ frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
buf = &impunge_local->cont.symlink.buf;
@@ -1285,7 +1319,11 @@ afr_sh_entry_impunge_symlink (call_frame_t *impunge_frame, xlator_t *this,
if (!dict) {
gf_log (this->name, GF_LOG_ERROR,
"Out of memory");
- afr_sh_entry_impunge_entry_done (impunge_frame, this, 0);
+ impunge_ret_child = impunge_sh->impunge_ret_child;
+ AFR_STACK_DESTROY (impunge_frame);
+ sh->impunge_done (impunge_frame, this, impunge_ret_child, -1,
+ ENOMEM);
+ goto out;
}
ret = afr_set_dict_gfid (dict, buf->ia_gfid);
@@ -1307,7 +1345,7 @@ afr_sh_entry_impunge_symlink (call_frame_t *impunge_frame, xlator_t *this,
if (dict)
dict_unref (dict);
-
+out:
return 0;
}
@@ -1326,11 +1364,16 @@ afr_sh_entry_impunge_symlink_unlink_cbk (call_frame_t *impunge_frame,
call_frame_t *frame = NULL;
int call_count = -1;
int active_src = -1;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
impunge_sh = &impunge_local->self_heal;
frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
active_src = impunge_sh->active_source;
child_index = (long) cookie;
@@ -1356,8 +1399,10 @@ out:
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -1402,11 +1447,16 @@ afr_sh_entry_impunge_readlink_sink_cbk (call_frame_t *impunge_frame, void *cooki
call_frame_t *frame = NULL;
int call_count = -1;
int active_src = -1;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
impunge_sh = &impunge_local->self_heal;
frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
active_src = impunge_sh->active_source;
child_index = (long) cookie;
@@ -1452,8 +1502,10 @@ out:
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -1497,11 +1549,16 @@ afr_sh_entry_impunge_readlink_cbk (call_frame_t *impunge_frame, void *cookie,
call_frame_t *frame = NULL;
int call_count = -1;
int active_src = -1;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
impunge_sh = &impunge_local->self_heal;
frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
active_src = impunge_sh->active_source;
child_index = (long) cookie;
@@ -1528,8 +1585,10 @@ out:
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -1560,44 +1619,22 @@ afr_sh_entry_impunge_readlink (call_frame_t *impunge_frame, xlator_t *this,
return 0;
}
-
int
-afr_sh_entry_impunge_recreate_lookup_cbk (call_frame_t *impunge_frame,
- void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- inode_t *inode, struct iatt *buf,
- dict_t *xattr,struct iatt *postparent)
+afr_sh_entry_impunge_create (call_frame_t *impunge_frame, xlator_t *this,
+ int child_index, struct iatt *buf,
+ struct iatt *postparent)
{
- afr_private_t *priv = NULL;
afr_local_t *impunge_local = NULL;
afr_self_heal_t *impunge_sh = NULL;
- int active_src = 0;
- int type = 0;
- int child_index = 0;
- call_frame_t *frame = NULL;
- int call_count = 0;
+ afr_private_t *priv = NULL;
+ ia_type_t type = IA_INVAL;
+ int ret = 0;
+ int active_src = 0;
- priv = this->private;
impunge_local = impunge_frame->local;
impunge_sh = &impunge_local->self_heal;
- frame = impunge_sh->sh_frame;
-
- child_index = (long) cookie;
-
- active_src = impunge_sh->active_source;
-
- if (op_ret != 0) {
- gf_log (this->name, GF_LOG_DEBUG,
- "looking up %s on %s (for %s) failed (%s)",
- impunge_local->loc.path,
- priv->children[active_src]->name,
- priv->children[child_index]->name,
- strerror (op_errno));
- goto out;
- }
-
impunge_sh->parentbuf = *postparent;
-
+ active_src = impunge_sh->active_source;
impunge_local->cont.lookup.buf = *buf;
afr_update_loc_gfids (&impunge_local->loc, buf, postparent);
@@ -1625,10 +1662,58 @@ afr_sh_entry_impunge_recreate_lookup_cbk (call_frame_t *impunge_frame,
"%s has unknown file type on %s: 0%o",
impunge_local->loc.path,
priv->children[active_src]->name, type);
- goto out;
+ ret = -1;
break;
}
+ return ret;
+}
+
+int
+afr_sh_entry_impunge_recreate_lookup_cbk (call_frame_t *impunge_frame,
+ void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno,
+ inode_t *inode, struct iatt *buf,
+ dict_t *xattr,struct iatt *postparent)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *impunge_local = NULL;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *impunge_sh = NULL;
+ afr_self_heal_t *sh = NULL;
+ int active_src = 0;
+ int child_index = 0;
+ call_frame_t *frame = NULL;
+ int call_count = 0;
+ int ret = 0;
+ int32_t impunge_ret_child = 0;
+
+ priv = this->private;
+ impunge_local = impunge_frame->local;
+ impunge_sh = &impunge_local->self_heal;
+ frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
+
+ child_index = (long) cookie;
+
+ active_src = impunge_sh->active_source;
+
+ if (op_ret != 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "looking up %s on %s (for %s) failed (%s)",
+ impunge_local->loc.path,
+ priv->children[active_src]->name,
+ priv->children[child_index]->name,
+ strerror (op_errno));
+ goto out;
+ }
+
+ ret = afr_sh_entry_impunge_create (impunge_frame, this, child_index, buf,
+ postparent);
+ if (ret)
+ goto out;
+
return 0;
out:
@@ -1639,8 +1724,10 @@ out:
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -1688,11 +1775,16 @@ afr_sh_entry_impunge_entry_cbk (call_frame_t *impunge_frame, void *cookie,
int child_index = 0;
call_frame_t *frame = NULL;
int active_src = 0;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ int32_t impunge_ret_child = 0;
priv = this->private;
impunge_local = impunge_frame->local;
impunge_sh = &impunge_local->self_heal;
frame = impunge_sh->sh_frame;
+ local = frame->local;
+ sh = &local->self_heal;
child_index = (long) cookie;
active_src = impunge_sh->active_source;
@@ -1738,8 +1830,10 @@ afr_sh_entry_impunge_entry_cbk (call_frame_t *impunge_frame, void *cookie,
UNLOCK (&impunge_frame->lock);
if (call_count == 0) {
+ impunge_ret_child = impunge_sh->impunge_ret_child;
AFR_STACK_DESTROY (impunge_frame);
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, impunge_ret_child, op_ret,
+ op_errno);
}
return 0;
@@ -1761,12 +1855,14 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
int i = 0;
int call_count = 0;
int op_errno = 0;
+ int op_ret = -1;
priv = this->private;
local = frame->local;
sh = &local->self_heal;
active_src = sh->active_source;
+ sh->impunge_done = afr_sh_entry_impunge_entry_done;
if ((strcmp (entry->d_name, ".") == 0)
|| (strcmp (entry->d_name, "..") == 0)
@@ -1776,6 +1872,7 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
gf_log (this->name, GF_LOG_TRACE,
"skipping inspection of %s under %s",
entry->d_name, local->loc.path);
+ op_ret = 0;
goto out;
}
@@ -1787,6 +1884,7 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
if (!impunge_frame) {
gf_log (this->name, GF_LOG_ERROR,
"Out of memory.");
+ op_errno = ENOMEM;
goto out;
}
@@ -1796,12 +1894,14 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
impunge_sh = &impunge_local->self_heal;
impunge_sh->sh_frame = frame;
impunge_sh->active_source = active_src;
+ impunge_sh->impunge_ret_child = active_src;
impunge_sh->impunging_entry_mode =
st_mode_from_ia (entry->d_stat.ia_prot, entry->d_stat.ia_type);
ret = build_child_loc (this, &impunge_local->loc, &local->loc, entry->d_name);
if (ret != 0) {
+ op_errno = ENOMEM;
goto out;
}
@@ -1843,7 +1943,7 @@ afr_sh_entry_impunge_entry (call_frame_t *frame, xlator_t *this,
ret = 0;
out:
if (ret == -1)
- afr_sh_entry_impunge_entry_done (frame, this, active_src);
+ sh->impunge_done (frame, this, active_src, op_ret, op_errno);
return 0;
}