diff options
Diffstat (limited to 'xlators/performance/io-threads/src/io-threads.c')
| -rw-r--r-- | xlators/performance/io-threads/src/io-threads.c | 268 | 
1 files changed, 155 insertions, 113 deletions
diff --git a/xlators/performance/io-threads/src/io-threads.c b/xlators/performance/io-threads/src/io-threads.c index 9cb992e0b49..ebcb9e68c6e 100644 --- a/xlators/performance/io-threads/src/io-threads.c +++ b/xlators/performance/io-threads/src/io-threads.c @@ -34,14 +34,27 @@  typedef void *(*iot_worker_fn)(void*); -void _iot_queue (iot_worker_t *worker, iot_request_t *req); -iot_request_t * iot_init_request (call_stub_t *stub); -void iot_startup_workers (iot_worker_t **workers, int start_idx, int count, -                          iot_worker_fn workerfunc); -void * iot_worker_unordered (void *arg); -void * iot_worker_ordered (void *arg); -void iot_startup_worker (iot_worker_t *worker, iot_worker_fn workerfunc); -void iot_destroy_request (iot_request_t * req); +void +_iot_queue (iot_worker_t *worker, iot_request_t *req); + +iot_request_t * +iot_init_request (call_stub_t *stub); + +void +iot_startup_workers (iot_worker_t **workers, int start_idx, int count, +                     iot_worker_fn workerfunc); + +void * +iot_worker_unordered (void *arg); + +void * +iot_worker_ordered (void *arg); + +void +iot_startup_worker (iot_worker_t *worker, iot_worker_fn workerfunc); + +void +iot_destroy_request (iot_request_t * req);  /* I know this function modularizes things a bit too much, @@ -51,8 +64,7 @@ void iot_destroy_request (iot_request_t * req);   */  void  iot_request_queue_and_thread_fire (iot_worker_t *worker, -                                   iot_worker_fn workerfunc, -                                   iot_request_t *req) +                                   iot_worker_fn workerfunc, iot_request_t *req)  {          pthread_mutex_lock (&worker->qlock);          { @@ -149,7 +161,7 @@ iot_ordered_request_balancer (iot_conf_t *conf, inode_t *inode, uint64_t *idx)                  * than 0.                  */                  if ((*idx >= (uint64_t)conf->max_o_threads)) { -                        gf_log (conf->this->name, GF_LOG_ERROR, +                        gf_log (conf->this->name, GF_LOG_DEBUG,                                  "inode context returned insane thread index %"                                  PRIu64, *idx);                          ret = -1; @@ -169,7 +181,7 @@ iot_schedule_ordered (iot_conf_t *conf, inode_t *inode, call_stub_t *stub)          int              balstatus = 0;          if (inode == NULL) { -                gf_log (conf->this->name, GF_LOG_ERROR, +                gf_log (conf->this->name, GF_LOG_DEBUG,                          "Got NULL inode for ordered request");                  STACK_UNWIND (stub->frame, -1, EINVAL, NULL);                  call_stub_destroy (stub); @@ -180,7 +192,7 @@ iot_schedule_ordered (iot_conf_t *conf, inode_t *inode, call_stub_t *stub)          {                  balstatus = iot_ordered_request_balancer (conf, inode, &idx);                  if (balstatus < 0) { -                        gf_log (conf->this->name, GF_LOG_ERROR, +                        gf_log (conf->this->name, GF_LOG_DEBUG,                                  "Insane worker index. Unwinding stack");                          STACK_UNWIND (stub->frame, -1, ECANCELED, NULL);                          iot_destroy_request (req); @@ -232,7 +244,7 @@ iot_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr_req)          stub = fop_lookup_stub (frame, iot_lookup_wrapper, loc, xattr_req);          if (!stub) {                  gf_log (this->name, GF_LOG_ERROR, -                        "cannot get lookup stub"); +                        "cannot create lookup stub (out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL, NULL, NULL);                  return 0;          } @@ -271,7 +283,8 @@ iot_chmod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode)          stub = fop_chmod_stub (frame, iot_chmod_wrapper, loc, mode);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get chmod stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create chmod stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -315,7 +328,8 @@ iot_fchmod (call_frame_t *frame, xlator_t *this, fd_t *fd, mode_t mode)          stub = fop_fchmod_stub (frame, iot_fchmod_wrapper, fd, mode);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get fchmod stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create fchmod stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -335,8 +349,8 @@ iot_chown_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int -iot_chown_wrapper (call_frame_t *frame, xlator_t *this, -                   loc_t *loc, uid_t uid, gid_t gid) +iot_chown_wrapper (call_frame_t *frame, xlator_t *this, loc_t *loc, uid_t uid, +                   gid_t gid)  {          STACK_WIND (frame, iot_chown_cbk,                      FIRST_CHILD (this), @@ -347,15 +361,16 @@ iot_chown_wrapper (call_frame_t *frame, xlator_t *this,  int -iot_chown (call_frame_t *frame, xlator_t *this, -           loc_t *loc, uid_t uid, gid_t gid) +iot_chown (call_frame_t *frame, xlator_t *this, loc_t *loc, uid_t uid, +           gid_t gid)  {          call_stub_t     *stub = NULL;          fd_t            *fd = NULL;          stub = fop_chown_stub (frame, iot_chown_wrapper, loc, uid, gid);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get chown stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create chown stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -394,14 +409,14 @@ iot_fchown_wrapper (call_frame_t *frame, xlator_t *this,  int -iot_fchown (call_frame_t *frame, xlator_t *this, -            fd_t *fd, uid_t uid, gid_t gid) +iot_fchown (call_frame_t *frame, xlator_t *this, fd_t *fd, uid_t uid, gid_t gid)  {          call_stub_t     *stub = NULL;          stub = fop_fchown_stub (frame, iot_fchown_wrapper, fd, uid, gid);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get fchown stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create fchown stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -422,8 +437,8 @@ iot_access_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int -iot_access_wrapper (call_frame_t *frame, xlator_t *this, -                    loc_t *loc, int32_t mask) +iot_access_wrapper (call_frame_t *frame, xlator_t *this, loc_t *loc, +                    int32_t mask)  {          STACK_WIND (frame, iot_access_cbk, FIRST_CHILD (this),                      FIRST_CHILD (this)->fops->access, loc, mask); @@ -438,7 +453,8 @@ iot_access (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask)          stub = fop_access_stub (frame, iot_access_wrapper, loc, mask);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get access stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create access stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM);                  return 0;          } @@ -451,8 +467,7 @@ iot_access (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t mask)  int  iot_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -                  int32_t op_ret, int32_t op_errno, -                  const char *path) +                  int32_t op_ret, int32_t op_errno, const char *path)  {          STACK_UNWIND (frame, op_ret, op_errno, path);          return 0; @@ -460,8 +475,8 @@ iot_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int -iot_readlink_wrapper (call_frame_t *frame, xlator_t *this, -                      loc_t *loc, size_t size) +iot_readlink_wrapper (call_frame_t *frame, xlator_t *this, loc_t *loc, +                      size_t size)  {          STACK_WIND (frame, iot_readlink_cbk,                      FIRST_CHILD (this), @@ -478,7 +493,8 @@ iot_readlink (call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size)          stub = fop_readlink_stub (frame, iot_readlink_wrapper, loc, size);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get readlink stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create readlink stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -490,8 +506,8 @@ iot_readlink (call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size)  int  iot_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -               int32_t op_ret, int32_t op_errno, -               inode_t *inode, struct stat *buf) +               int32_t op_ret, int32_t op_errno, inode_t *inode, +               struct stat *buf)  {          STACK_UNWIND (frame, op_ret, op_errno, inode, buf);          return 0; @@ -499,8 +515,8 @@ iot_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int -iot_mknod_wrapper (call_frame_t *frame, xlator_t *this, -                   loc_t *loc, mode_t mode, dev_t rdev) +iot_mknod_wrapper (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, +                   dev_t rdev)  {          STACK_WIND (frame, iot_mknod_cbk, FIRST_CHILD (this),                      FIRST_CHILD (this)->fops->mknod, loc, mode, rdev); @@ -509,14 +525,15 @@ iot_mknod_wrapper (call_frame_t *frame, xlator_t *this,  int -iot_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, -           mode_t mode, dev_t rdev) +iot_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, +           dev_t rdev)  {          call_stub_t     *stub = NULL;          stub = fop_mknod_stub (frame, iot_mknod_wrapper, loc, mode, rdev);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get mknod stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create mknod stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL, NULL);                  return 0;          } @@ -529,8 +546,8 @@ iot_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc,  int  iot_mkdir_cbk (call_frame_t *frame, void * cookie, xlator_t *this, -               int32_t op_ret, int32_t op_errno, -               inode_t *inode, struct stat *buf) +               int32_t op_ret, int32_t op_errno, inode_t *inode, +               struct stat *buf)  {          STACK_UNWIND (frame, op_ret, op_errno, inode, buf);          return 0; @@ -538,8 +555,7 @@ iot_mkdir_cbk (call_frame_t *frame, void * cookie, xlator_t *this,  int -iot_mkdir_wrapper (call_frame_t *frame, xlator_t *this, -                   loc_t *loc, mode_t mode) +iot_mkdir_wrapper (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode)  {          STACK_WIND (frame, iot_mkdir_cbk, FIRST_CHILD (this),                      FIRST_CHILD (this)->fops->mkdir, loc, mode); @@ -554,7 +570,8 @@ iot_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode)          stub = fop_mkdir_stub (frame, iot_mkdir_wrapper, loc, mode);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get mkdir stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create mkdir stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL, NULL);                  return 0;          } @@ -589,7 +606,8 @@ iot_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc)          stub = fop_rmdir_stub (frame, iot_rmdir_wrapper, loc);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get rmdir stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create rmdir stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM);                  return 0;          } @@ -601,8 +619,8 @@ iot_rmdir (call_frame_t *frame, xlator_t *this, loc_t *loc)  int  iot_symlink_cbk (call_frame_t *frame, void * cookie, xlator_t *this, -                int32_t op_ret, int32_t op_errno, -                inode_t *inode, struct stat *buf) +                 int32_t op_ret, int32_t op_errno, inode_t *inode, +                 struct stat *buf)  {          STACK_UNWIND (frame, op_ret, op_errno, inode, buf);          return 0; @@ -610,8 +628,8 @@ iot_symlink_cbk (call_frame_t *frame, void * cookie, xlator_t *this,  int -iot_symlink_wrapper (call_frame_t *frame, xlator_t *this, -                     const char *linkname, loc_t *loc) +iot_symlink_wrapper (call_frame_t *frame, xlator_t *this, const char *linkname, +                     loc_t *loc)  {          STACK_WIND (frame, iot_symlink_cbk, FIRST_CHILD (this),                      FIRST_CHILD (this)->fops->symlink, linkname, loc); @@ -627,7 +645,8 @@ iot_symlink (call_frame_t *frame, xlator_t *this, const char *linkname,          stub = fop_symlink_stub (frame, iot_symlink_wrapper, linkname, loc);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get symlink stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create symlink stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL, NULL);                  return 0;          } @@ -647,8 +666,8 @@ iot_rename_cbk (call_frame_t *frame, void * cookie, xlator_t *this,  int -iot_rename_wrapper (call_frame_t *frame, xlator_t *this, -                    loc_t *oldloc, loc_t *newloc) +iot_rename_wrapper (call_frame_t *frame, xlator_t *this, loc_t *oldloc, +                    loc_t *newloc)  {          STACK_WIND (frame, iot_rename_cbk, FIRST_CHILD (this),                      FIRST_CHILD (this)->fops->rename, oldloc, newloc); @@ -657,14 +676,14 @@ iot_rename_wrapper (call_frame_t *frame, xlator_t *this,  int -iot_rename (call_frame_t *frame, xlator_t *this, -            loc_t *oldloc, loc_t *newloc) +iot_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc)  {          call_stub_t     *stub = NULL;          stub = fop_rename_stub (frame, iot_rename_wrapper, oldloc, newloc);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get rename stub"); +                gf_log (this->name, GF_LOG_DEBUG, "cannot create rename stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -676,8 +695,8 @@ iot_rename (call_frame_t *frame, xlator_t *this,  int -iot_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -              int32_t op_ret, int32_t op_errno, fd_t *fd) +iot_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, +              int32_t op_errno, fd_t *fd)  {  	STACK_UNWIND (frame, op_ret, op_errno, fd);  	return 0; @@ -695,15 +714,16 @@ iot_open_wrapper (call_frame_t * frame, xlator_t * this, loc_t *loc,  int -iot_open (call_frame_t *frame, xlator_t *this, -          loc_t *loc, int32_t flags, fd_t *fd) +iot_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, +          fd_t *fd)  {          call_stub_t	*stub = NULL;          stub = fop_open_stub (frame, iot_open_wrapper, loc, flags, fd);          if (!stub) {                  gf_log (this->name, GF_LOG_ERROR, -                        "cannot get open call stub"); +                        "cannot create open call stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL, 0);                  return 0;          } @@ -715,8 +735,8 @@ iot_open (call_frame_t *frame, xlator_t *this,  int  iot_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -		int32_t op_ret, int32_t op_errno, -		fd_t *fd, inode_t *inode, struct stat *stbuf) +                int32_t op_ret, int32_t op_errno, fd_t *fd, inode_t *inode, +                struct stat *stbuf)  {  	STACK_UNWIND (frame, op_ret, op_errno, fd, inode, stbuf);  	return 0; @@ -736,8 +756,8 @@ iot_create_wrapper (call_frame_t *frame, xlator_t *this, loc_t *loc,  int -iot_create (call_frame_t *frame, xlator_t *this, loc_t *loc, -            int32_t flags, mode_t mode, fd_t *fd) +iot_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, +            mode_t mode, fd_t *fd)  {          call_stub_t     *stub = NULL; @@ -745,7 +765,8 @@ iot_create (call_frame_t *frame, xlator_t *this, loc_t *loc,                                  fd);          if (!stub) {                  gf_log (this->name, GF_LOG_ERROR, -                        "cannot get create call stub"); +                        "cannot create \"create\" call stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL, 0);                  return 0;          } @@ -757,9 +778,8 @@ iot_create (call_frame_t *frame, xlator_t *this, loc_t *loc,  int  iot_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -               int32_t op_ret, int32_t op_errno, -               struct iovec *vector, int32_t count, -	       struct stat *stbuf, struct iobref *iobref) +               int32_t op_ret, int32_t op_errno, struct iovec *vector, +               int32_t count, struct stat *stbuf, struct iobref *iobref)  {  	STACK_UNWIND (frame, op_ret, op_errno, vector, count, stbuf, iobref); @@ -768,8 +788,8 @@ iot_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int -iot_readv_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd, -                   size_t size, off_t offset) +iot_readv_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, +                   off_t offset)  {  	STACK_WIND (frame, iot_readv_cbk,  		    FIRST_CHILD(this), @@ -788,7 +808,8 @@ iot_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,  	stub = fop_readv_stub (frame, iot_readv_wrapper, fd, size, offset);  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR,  -			"cannot get readv call stub"); +			"cannot create readv call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM, NULL, 0);  		return 0;  	} @@ -826,7 +847,8 @@ iot_flush (call_frame_t *frame, xlator_t *this, fd_t *fd)  	stub = fop_flush_stub (frame, iot_flush_wrapper, fd);  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get flush_cbk call stub"); +                        "cannot create flush_cbk call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM);  		return 0;  	} @@ -865,7 +887,8 @@ iot_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync)  	stub = fop_fsync_stub (frame, iot_fsync_wrapper, fd, datasync);  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get fsync_cbk call stub"); +                        "cannot create fsync_cbk call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM);  		return 0;  	} @@ -877,8 +900,7 @@ iot_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t datasync)  int  iot_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -                int32_t op_ret, int32_t op_errno, -		struct stat *stbuf) +                int32_t op_ret, int32_t op_errno, struct stat *stbuf)  {  	STACK_UNWIND (frame, op_ret, op_errno, stbuf);  	return 0; @@ -910,7 +932,8 @@ iot_writev (call_frame_t *frame, xlator_t *this, fd_t *fd,  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get writev call stub"); +                        "cannot create writev call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM, NULL);  		return 0;  	} @@ -952,7 +975,8 @@ iot_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd,  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get fop_lk call stub"); +                        "cannot create fop_lk call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM, NULL);  		return 0;  	} @@ -991,7 +1015,8 @@ iot_stat (call_frame_t *frame, xlator_t *this, loc_t *loc)          stub = fop_stat_stub (frame, iot_stat_wrapper, loc);  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get fop_stat call stub"); +                        "cannot create fop_stat call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM, NULL);  		return 0;  	} @@ -1040,7 +1065,8 @@ iot_fstat (call_frame_t *frame, xlator_t *this, fd_t *fd)  	stub = fop_fstat_stub (frame, iot_fstat_wrapper, fd);  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get fop_fstat call stub"); +                        "cannot create fop_fstat call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM, NULL);  		return 0;  	} @@ -1082,7 +1108,8 @@ iot_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset)  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get fop_stat call stub"); +                        "cannot create fop_stat call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM, NULL);  		return 0;  	} @@ -1111,8 +1138,8 @@ iot_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int -iot_ftruncate_wrapper (call_frame_t *frame, xlator_t *this, -                       fd_t *fd, off_t offset) +iot_ftruncate_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd, +                       off_t offset)  {  	STACK_WIND (frame, iot_ftruncate_cbk,  		    FIRST_CHILD(this), @@ -1130,7 +1157,8 @@ iot_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset)  	stub = fop_ftruncate_stub (frame, iot_ftruncate_wrapper, fd, offset);  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get fop_ftruncate call stub"); +                        "cannot create fop_ftruncate call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM, NULL);  		return 0;  	} @@ -1172,7 +1200,8 @@ iot_utimens (call_frame_t *frame, xlator_t *this, loc_t *loc,  	stub = fop_utimens_stub (frame, iot_utimens_wrapper, loc, tv);  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get fop_utimens call stub"); +                        "cannot create fop_utimens call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM, NULL);  		return 0;  	} @@ -1193,8 +1222,8 @@ iot_utimens (call_frame_t *frame, xlator_t *this, loc_t *loc,  int  iot_checksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -		  int32_t op_ret, int32_t op_errno, -		  uint8_t *file_checksum, uint8_t *dir_checksum) +		  int32_t op_ret, int32_t op_errno, uint8_t *file_checksum, +                  uint8_t *dir_checksum)  {  	STACK_UNWIND (frame, op_ret, op_errno, file_checksum, dir_checksum);  	return 0; @@ -1202,8 +1231,8 @@ iot_checksum_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int -iot_checksum_wrapper (call_frame_t *frame, xlator_t *this, -                      loc_t *loc,  int32_t flags) +iot_checksum_wrapper (call_frame_t *frame, xlator_t *this, loc_t *loc, +                      int32_t flags)  {  	STACK_WIND (frame, iot_checksum_cbk,  		    FIRST_CHILD(this), @@ -1223,7 +1252,8 @@ iot_checksum (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags)  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get fop_checksum call stub"); +                        "cannot create fop_checksum call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM, NULL, NULL);  		return 0;  	} @@ -1261,7 +1291,8 @@ iot_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc)  	stub = fop_unlink_stub (frame, iot_unlink_wrapper, loc);  	if (!stub) {  		gf_log (this->name, GF_LOG_ERROR, -                        "cannot get fop_unlink call stub"); +                        "cannot create fop_unlink call stub" +                        "(out of memory)");  		STACK_UNWIND (frame, -1, ENOMEM);  		return 0;  	} @@ -1298,7 +1329,8 @@ iot_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc)          stub = fop_link_stub (frame, iot_link_wrapper, oldloc, newloc);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get link stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create link stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL, NULL);                  return 0;          } @@ -1335,7 +1367,8 @@ iot_opendir (call_frame_t *frame, xlator_t *this, loc_t *loc, fd_t *fd)          stub = fop_opendir_stub (frame, iot_opendir_wrapper, loc, fd);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get opendir stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create opendir stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -1357,7 +1390,7 @@ iot_fsyncdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int  iot_fsyncdir_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd, -                        int datasync) +                      int datasync)  {          STACK_WIND (frame, iot_fsyncdir_cbk, FIRST_CHILD (this),                      FIRST_CHILD (this)->fops->fsyncdir, fd, datasync); @@ -1372,7 +1405,8 @@ iot_fsyncdir (call_frame_t *frame, xlator_t *this, fd_t *fd, int datasync)          stub = fop_fsyncdir_stub (frame, iot_fsyncdir_wrapper, fd, datasync);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get fsyncdir stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create fsyncdir stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM);                  return 0;          } @@ -1407,7 +1441,8 @@ iot_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc)          stub = fop_statfs_stub (frame, iot_statfs_wrapper, loc);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get statfs stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create statfs stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -1419,7 +1454,7 @@ iot_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc)  int  iot_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -                        int32_t op_ret, int32_t op_errno) +                  int32_t op_ret, int32_t op_errno)  {          STACK_UNWIND (frame, op_ret, op_errno);          return 0; @@ -1446,7 +1481,8 @@ iot_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,          stub = fop_setxattr_stub (frame, iot_setxattr_wrapper, loc, dict,                                    flags);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get setxattr stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create setxattr stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -1466,7 +1502,7 @@ iot_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict,  int  iot_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -                        int32_t op_ret, int32_t op_errno, dict_t *dict) +                  int32_t op_ret, int32_t op_errno, dict_t *dict)  {          STACK_UNWIND (frame, op_ret, op_errno, dict);          return 0; @@ -1475,7 +1511,7 @@ iot_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int  iot_getxattr_wrapper (call_frame_t *frame, xlator_t *this, loc_t *loc, -                        const char *name) +                      const char *name)  {          STACK_WIND (frame, iot_getxattr_cbk, FIRST_CHILD (this),                      FIRST_CHILD (this)->fops->getxattr, loc, name); @@ -1492,7 +1528,8 @@ iot_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc,          stub = fop_getxattr_stub (frame, iot_getxattr_wrapper, loc, name);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get getxattr stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create getxattr stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -1522,7 +1559,7 @@ iot_fgetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int  iot_fgetxattr_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd, -                        const char *name) +                       const char *name)  {          STACK_WIND (frame, iot_fgetxattr_cbk, FIRST_CHILD (this),                      FIRST_CHILD (this)->fops->fgetxattr, fd, name); @@ -1538,7 +1575,8 @@ iot_fgetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd,          stub = fop_fgetxattr_stub (frame, iot_fgetxattr_wrapper, fd, name);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get fgetxattr stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create fgetxattr stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -1559,7 +1597,7 @@ iot_fsetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,  int  iot_fsetxattr_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd, -                        dict_t *dict, int32_t flags) +                       dict_t *dict, int32_t flags)  {          STACK_WIND (frame, iot_fsetxattr_cbk, FIRST_CHILD (this),                      FIRST_CHILD (this)->fops->fsetxattr, fd, dict, flags); @@ -1576,7 +1614,8 @@ iot_fsetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict,          stub = fop_fsetxattr_stub (frame, iot_fsetxattr_wrapper, fd, dict,                                          flags);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get fsetxattr stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create fsetxattr stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM);                  return 0;          } @@ -1615,7 +1654,8 @@ iot_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc,          stub = fop_removexattr_stub (frame, iot_removexattr_wrapper, loc,                                       name);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR,"cannot get removexattr fop"); +                gf_log (this->name, GF_LOG_ERROR,"cannot get removexattr fop" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM);                  return 0;          } @@ -1635,8 +1675,7 @@ iot_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc,  int  iot_readdir_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -                 int32_t op_ret, int32_t op_errno, -                 gf_dirent_t *entries) +                 int32_t op_ret, int32_t op_errno, gf_dirent_t *entries)  {          STACK_UNWIND (frame, op_ret, op_errno, entries);          return 0; @@ -1661,7 +1700,8 @@ iot_readdir (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,          stub = fop_readdir_stub (frame, iot_readdir_wrapper, fd, size, offset);          if (!stub) { -                gf_log (this->private, GF_LOG_ERROR,"cannot get readdir stub"); +                gf_log (this->private, GF_LOG_ERROR,"cannot get readdir stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -1700,7 +1740,8 @@ iot_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc,          stub = fop_xattrop_stub (frame, iot_xattrop_wrapper, loc, optype,                                          xattr);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get xattrop stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create xattrop stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -1721,7 +1762,7 @@ iot_xattrop (call_frame_t *frame, xlator_t *this, loc_t *loc,  int  iot_fxattrop_cbk (call_frame_t *frame, void *cookie, xlator_t *this, -                        int32_t op_ret, int32_t op_errno, dict_t *xattr) +                  int32_t op_ret, int32_t op_errno, dict_t *xattr)  {          STACK_UNWIND (frame, op_ret, op_errno, xattr);          return 0; @@ -1745,7 +1786,8 @@ iot_fxattrop (call_frame_t *frame, xlator_t *this, fd_t *fd,          stub = fop_fxattrop_stub (frame, iot_fxattrop_wrapper, fd, optype,                                          xattr);          if (!stub) { -                gf_log (this->name, GF_LOG_ERROR, "cannot get fxattrop stub"); +                gf_log (this->name, GF_LOG_ERROR, "cannot create fxattrop stub" +                        "(out of memory)");                  STACK_UNWIND (frame, -1, ENOMEM, NULL);                  return 0;          } @@ -2050,8 +2092,8 @@ allocate_worker (iot_conf_t * conf)  void -allocate_workers (iot_conf_t *conf, iot_worker_t **workers, -                  int start_alloc_idx, int count) +allocate_workers (iot_conf_t *conf, iot_worker_t **workers, int start_alloc_idx, +                  int count)  {          int     i;          int     end_count;  | 
