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#include "aha.h"
#include "aha-helpers.h"
#include "aha-retry.h"
#include "aha-fops.h"
/*
* AHA_RETRY_FOP:
*
* - We STACK_WIND the fop using the arguments in the call_stub.
* We use STACK_WIND because we need a *new* frame, since we already
* exhausted the existing frame with the original STACK_WIND.
*
* - After STACK_WIND completes, we can destroy this frame's local (which
* should be struct aha_fop *). The frame itself will get destroyed higher in
* the xlator graph, since its still part of the call stack.
*/
#define AHA_RETRY_FOP(fop, type, args ...) \
do { \
call_stub_t *stub = fop->stub; \
call_frame_t *frame = fop->frame; \
xlator_t *this = frame->this; \
STACK_WIND (frame, aha_##type##_cbk, this, \
this->fops->type, args); \
AHA_DESTROY_LOCAL (frame); \
} while (0) \
#define AHA_UNWIND_FOP(fop, type) \
do { \
call_frame_t *frame = fop->frame; \
AHA_DESTROY_LOCAL (frame); \
default_##type##_failure_cbk (frame, ETIMEDOUT); \
} while (0) \
void
__aha_retry_force_unwind_fops (struct aha_conf *conf)
{
struct aha_fop *fop = NULL;
struct aha_fop *tmp = NULL;
size_t ndrained = 0;
/*
* Drain the queue. After we finish the loop, the list
* must be empty.
*/
list_for_each_entry_safe (fop, tmp, &conf->failed, list) {
list_del (&fop->list);
aha_force_unwind_fop (fop);
ndrained++;
}
gf_log (GF_AHA, GF_LOG_WARNING,
"Force-unwound %"GF_PRI_SIZET" fops!", ndrained);
assert (list_empty (&conf->failed));
}
void
aha_force_unwind_fops (struct aha_conf *conf)
{
LOCK (&conf->lock);
{
__aha_retry_force_unwind_fops (conf);
}
UNLOCK (&conf->lock);
}
void
__aha_retry_failed_fops (struct aha_conf *conf)
{
struct aha_fop *fop = NULL;
struct aha_fop *tmp = NULL;
size_t ndrained = 0;
/*
* Skip if the child is not up
*/
if (!conf->child_up) {
gf_log (GF_AHA, GF_LOG_WARNING,
"Waiting for child to come up before retrying.");
return;
}
/*
* Skip if the the queue is empty.
*/
if (list_empty (&conf->failed)) {
gf_log (GF_AHA, GF_LOG_WARNING, "No FOPs to retry.");
}
/*
* Drain the queue. After we finish the loop, the list
* must be empty.
*/
list_for_each_entry_safe (fop, tmp, &conf->failed, list) {
list_del (&fop->list);
aha_retry_fop (fop);
ndrained++;
}
gf_log (GF_AHA, GF_LOG_WARNING,
"Drained %"GF_PRI_SIZET" fops!", ndrained);
assert (list_empty (&conf->failed));
}
void
aha_retry_failed_fops (struct aha_conf *conf)
{
LOCK (&conf->lock);
{
__aha_retry_failed_fops (conf);
}
UNLOCK (&conf->lock);
}
void aha_retry_fop (struct aha_fop *fop)
{
call_stub_t *stub = fop->stub;
switch (stub->fop) {
case GF_FOP_OPEN:
AHA_RETRY_FOP (fop, open, &stub->args.loc, stub->args.flags,
stub->args.fd, stub->args.xdata);
break;
case GF_FOP_CREATE:
AHA_RETRY_FOP (fop, create, &stub->args.loc, stub->args.flags,
stub->args.mode, stub->args.umask,
stub->args.fd,
stub->args.xdata);
break;
case GF_FOP_STAT:
AHA_RETRY_FOP (fop, stat, &stub->args.loc, stub->args.xdata);
break;
case GF_FOP_READLINK:
AHA_RETRY_FOP (fop, readlink, &stub->args.loc,
stub->args.size, stub->args.xdata);
break;
case GF_FOP_MKNOD:
AHA_RETRY_FOP (fop, mknod, &stub->args.loc, stub->args.mode,
stub->args.rdev, stub->args.umask,
stub->args.xdata);
break;
case GF_FOP_MKDIR:
AHA_RETRY_FOP (fop, mkdir, &stub->args.loc, stub->args.mode,
stub->args.umask, stub->args.xdata);
break;
case GF_FOP_UNLINK:
AHA_RETRY_FOP (fop, unlink, &stub->args.loc, stub->args.xflag,
stub->args.xdata);
break;
case GF_FOP_RMDIR:
AHA_RETRY_FOP (fop, rmdir, &stub->args.loc,
stub->args.flags, stub->args.xdata);
break;
case GF_FOP_SYMLINK:
AHA_RETRY_FOP (fop, symlink, stub->args.linkname,
&stub->args.loc, stub->args.umask,
stub->args.xdata);
break;
case GF_FOP_RENAME:
AHA_RETRY_FOP (fop, rename, &stub->args.loc,
&stub->args.loc2, stub->args.xdata);
break;
case GF_FOP_LINK:
AHA_RETRY_FOP (fop, link, &stub->args.loc,
&stub->args.loc2, stub->args.xdata);
break;
case GF_FOP_TRUNCATE:
AHA_RETRY_FOP (fop, truncate, &stub->args.loc,
stub->args.offset, stub->args.xdata);
break;
case GF_FOP_READ:
AHA_RETRY_FOP (fop, readv, stub->args.fd, stub->args.size,
stub->args.offset, stub->args.flags,
stub->args.xdata);
break;
case GF_FOP_WRITE:
AHA_RETRY_FOP (fop, writev, stub->args.fd, stub->args.vector,
stub->args.count, stub->args.offset,
stub->args.flags, stub->args.iobref,
stub->args.xdata);
break;
case GF_FOP_STATFS:
AHA_RETRY_FOP (fop, statfs, &stub->args.loc, stub->args.xdata);
break;
case GF_FOP_FLUSH:
AHA_RETRY_FOP (fop, flush, stub->args.fd, stub->args.xdata);
break;
case GF_FOP_FSYNC:
AHA_RETRY_FOP (fop, fsync, stub->args.fd, stub->args.datasync,
stub->args.xdata);
break;
case GF_FOP_SETXATTR:
AHA_RETRY_FOP (fop, setxattr, &stub->args.loc, stub->args.xattr,
stub->args.flags, stub->args.xdata);
break;
case GF_FOP_GETXATTR:
AHA_RETRY_FOP (fop, getxattr, &stub->args.loc,
stub->args.name, stub->args.xdata);
break;
case GF_FOP_FSETXATTR:
AHA_RETRY_FOP (fop, fsetxattr, stub->args.fd,
stub->args.xattr, stub->args.flags,
stub->args.xdata);
break;
case GF_FOP_FGETXATTR:
AHA_RETRY_FOP (fop, fgetxattr, stub->args.fd,
stub->args.name, stub->args.xdata);
break;
case GF_FOP_REMOVEXATTR:
AHA_RETRY_FOP (fop, removexattr, &stub->args.loc,
stub->args.name, stub->args.xdata);
break;
case GF_FOP_FREMOVEXATTR:
AHA_RETRY_FOP (fop, fremovexattr, stub->args.fd,
stub->args.name, stub->args.xdata);
break;
case GF_FOP_OPENDIR:
AHA_RETRY_FOP (fop, opendir, &stub->args.loc,
stub->args.fd, stub->args.xdata);
break;
case GF_FOP_FSYNCDIR:
AHA_RETRY_FOP (fop, fsyncdir, stub->args.fd,
stub->args.datasync, stub->args.xdata);
break;
case GF_FOP_ACCESS:
AHA_RETRY_FOP (fop, access, &stub->args.loc,
stub->args.mask, stub->args.xdata);
break;
case GF_FOP_FTRUNCATE:
AHA_RETRY_FOP (fop, ftruncate, stub->args.fd,
stub->args.offset, stub->args.xdata);
break;
case GF_FOP_FSTAT:
AHA_RETRY_FOP (fop, fstat, stub->args.fd, stub->args.xdata);
break;
case GF_FOP_LK:
AHA_RETRY_FOP (fop, lk, stub->args.fd, stub->args.cmd,
&stub->args.lock, stub->args.xdata);
break;
case GF_FOP_INODELK:
AHA_RETRY_FOP (fop, inodelk, stub->args.volume,
&stub->args.loc, stub->args.cmd,
&stub->args.lock, stub->args.xdata);
break;
case GF_FOP_FINODELK:
AHA_RETRY_FOP (fop, finodelk, stub->args.volume,
stub->args.fd, stub->args.cmd,
&stub->args.lock, stub->args.xdata);
break;
case GF_FOP_ENTRYLK:
AHA_RETRY_FOP (fop, entrylk, stub->args.volume, &stub->args.loc,
stub->args.name, stub->args.entrylkcmd,
stub->args.entrylktype, stub->args.xdata);
break;
case GF_FOP_FENTRYLK:
AHA_RETRY_FOP (fop, fentrylk, stub->args.volume, stub->args.fd,
stub->args.name, stub->args.entrylkcmd,
stub->args.entrylktype, stub->args.xdata);
break;
case GF_FOP_LOOKUP:
AHA_RETRY_FOP (fop, lookup, &stub->args.loc, stub->args.xdata);
break;
case GF_FOP_READDIR:
AHA_RETRY_FOP (fop, readdir, stub->args.fd, stub->args.size,
stub->args.offset, stub->args.xdata);
break;
case GF_FOP_READDIRP:
AHA_RETRY_FOP (fop, readdirp, stub->args.fd, stub->args.size,
stub->args.offset, stub->args.xdata);
break;
case GF_FOP_XATTROP:
AHA_RETRY_FOP (fop, xattrop, &stub->args.loc, stub->args.optype,
stub->args.xattr, stub->args.xdata);
break;
case GF_FOP_FXATTROP:
AHA_RETRY_FOP (fop, fxattrop, stub->args.fd, stub->args.optype,
stub->args.xattr, stub->args.xdata);
break;
case GF_FOP_SETATTR:
AHA_RETRY_FOP (fop, setattr, &stub->args.loc, &stub->args.stat,
stub->args.valid, stub->args.xdata);
break;
case GF_FOP_FSETATTR:
AHA_RETRY_FOP (fop, fsetattr, stub->args.fd, &stub->args.stat,
stub->args.valid, stub->args.xdata);
break;
default:
/* Some fops are not implemented yet:
*
* GF_FOP_NULL
* GF_FOP_RCHECKSUM
* GF_FOP_FORGET
* GF_FOP_RELEASE
* GF_FOP_RELEASEDIR
* GF_FOP_GETSPEC
* GF_FOP_FALLOCATE
* GF_FOP_DISCARD
* GF_FOP_ZEROFILL
* GF_FOP_MAXVALUE
*
*/
gf_log (GF_AHA, GF_LOG_CRITICAL, "Got unexpected FOP %s",
gf_fop_list[stub->fop]);
assert (0);
break;
}
}
void
aha_force_unwind_fop (struct aha_fop *fop)
{
call_stub_t *stub = fop->stub;
switch (stub->fop) {
case GF_FOP_OPEN:
AHA_UNWIND_FOP (fop, open);
break;
case GF_FOP_CREATE:
AHA_UNWIND_FOP (fop, create);
break;
case GF_FOP_STAT:
AHA_UNWIND_FOP (fop, stat);
break;
case GF_FOP_READLINK:
AHA_UNWIND_FOP (fop, readlink);
break;
case GF_FOP_MKNOD:
AHA_UNWIND_FOP (fop, mknod);
break;
case GF_FOP_MKDIR:
AHA_UNWIND_FOP (fop, mkdir);
break;
case GF_FOP_UNLINK:
AHA_UNWIND_FOP (fop, unlink);
break;
case GF_FOP_RMDIR:
AHA_UNWIND_FOP (fop, rmdir);
break;
case GF_FOP_SYMLINK:
AHA_UNWIND_FOP (fop, symlink);
break;
case GF_FOP_RENAME:
AHA_UNWIND_FOP (fop, rename);
break;
case GF_FOP_LINK:
AHA_UNWIND_FOP (fop, link);
break;
case GF_FOP_TRUNCATE:
AHA_UNWIND_FOP (fop, truncate);
break;
case GF_FOP_READ:
AHA_UNWIND_FOP (fop, readv);
break;
case GF_FOP_WRITE:
AHA_UNWIND_FOP (fop, writev);
break;
case GF_FOP_STATFS:
AHA_UNWIND_FOP (fop, statfs);
break;
case GF_FOP_FLUSH:
AHA_UNWIND_FOP (fop, flush);
break;
case GF_FOP_FSYNC:
AHA_UNWIND_FOP (fop, fsync);
break;
case GF_FOP_SETXATTR:
AHA_UNWIND_FOP (fop, setxattr);
break;
case GF_FOP_GETXATTR:
AHA_UNWIND_FOP (fop, getxattr);
break;
case GF_FOP_FSETXATTR:
AHA_UNWIND_FOP (fop, fsetxattr);
break;
case GF_FOP_FGETXATTR:
AHA_UNWIND_FOP (fop, fgetxattr);
break;
case GF_FOP_REMOVEXATTR:
AHA_UNWIND_FOP (fop, removexattr);
break;
case GF_FOP_FREMOVEXATTR:
AHA_UNWIND_FOP (fop, fremovexattr);
break;
case GF_FOP_OPENDIR:
AHA_UNWIND_FOP (fop, opendir);
break;
case GF_FOP_FSYNCDIR:
AHA_UNWIND_FOP (fop, fsyncdir);
break;
case GF_FOP_ACCESS:
AHA_UNWIND_FOP (fop, access);
break;
case GF_FOP_FTRUNCATE:
AHA_UNWIND_FOP (fop, ftruncate);
break;
case GF_FOP_FSTAT:
AHA_UNWIND_FOP (fop, fstat);
break;
case GF_FOP_LK:
AHA_UNWIND_FOP (fop, lk);
break;
case GF_FOP_INODELK:
AHA_UNWIND_FOP (fop, inodelk);
break;
case GF_FOP_FINODELK:
AHA_UNWIND_FOP (fop, finodelk);
break;
case GF_FOP_ENTRYLK:
AHA_UNWIND_FOP (fop, entrylk);
break;
case GF_FOP_FENTRYLK:
AHA_UNWIND_FOP (fop, fentrylk);
break;
case GF_FOP_LOOKUP:
AHA_UNWIND_FOP (fop, lookup);
break;
case GF_FOP_READDIR:
AHA_UNWIND_FOP (fop, readdir);
break;
case GF_FOP_READDIRP:
AHA_UNWIND_FOP (fop, readdirp);
break;
case GF_FOP_XATTROP:
AHA_UNWIND_FOP (fop, xattrop);
break;
case GF_FOP_FXATTROP:
AHA_UNWIND_FOP (fop, fxattrop);
break;
case GF_FOP_SETATTR:
AHA_UNWIND_FOP (fop, setattr);
break;
case GF_FOP_FSETATTR:
AHA_UNWIND_FOP (fop, fsetattr);
break;
default:
/* Some fops are not implemented yet,
* and this would never happen cause we wouldn't
* queue them (see the assert statement in aha_retry_fop())
*/
break;
}
}
|
