Run the gluster engines through indent

Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/engines/glusterfs.c b/engines/glusterfs.c
index 230274a..b233b20 100644
--- a/engines/glusterfs.c
+++ b/engines/glusterfs.c
@@ -8,27 +8,27 @@
 #include "gfapi.h"
 
 struct fio_option gfapi_options[] = {
-    {
-        .name     = "volume",
-        .lname    = "Glusterfs volume",
-        .type     = FIO_OPT_STR_STORE,
-        .help     = "Name of the Glusterfs volume",
-        .off1     = offsetof(struct gf_options, gf_vol),
-        .category = FIO_OPT_C_ENGINE,
-        .group    = FIO_OPT_G_GFAPI,
-    },
-    {
-        .name     = "brick",
-        .lname    = "Glusterfs brick name",
-        .type     = FIO_OPT_STR_STORE,
-        .help     = "Name of the Glusterfs brick to connect",
-        .off1     = offsetof(struct gf_options, gf_brick),
-        .category = FIO_OPT_C_ENGINE,
-        .group    = FIO_OPT_G_GFAPI,
-    },
-    {
-        .name = NULL,
-    },
+	{
+	 .name = "volume",
+	 .lname = "Glusterfs volume",
+	 .type = FIO_OPT_STR_STORE,
+	 .help = "Name of the Glusterfs volume",
+	 .off1 = offsetof(struct gf_options, gf_vol),
+	 .category = FIO_OPT_C_ENGINE,
+	 .group = FIO_OPT_G_GFAPI,
+	 },
+	{
+	 .name = "brick",
+	 .lname = "Glusterfs brick name",
+	 .type = FIO_OPT_STR_STORE,
+	 .help = "Name of the Glusterfs brick to connect",
+	 .off1 = offsetof(struct gf_options, gf_brick),
+	 .category = FIO_OPT_C_ENGINE,
+	 .group = FIO_OPT_G_GFAPI,
+	 },
+	{
+	 .name = NULL,
+	 },
 };
 
 int fio_gf_setup(struct thread_data *td)
@@ -36,54 +36,56 @@
 	int r = 0;
 	struct gf_data *g = NULL;
 	struct gf_options *opt = td->eo;
-    struct stat sb = {0, };
+	struct stat sb = { 0, };
 
 	dprint(FD_IO, "fio setup\n");
 
 	if (td->io_ops->data)
-	    return 0;
+		return 0;
 
 	g = malloc(sizeof(struct gf_data));
-	if (!g){
-	    log_err("malloc failed.\n");
-	    return -ENOMEM;
+	if (!g) {
+		log_err("malloc failed.\n");
+		return -ENOMEM;
 	}
-	g->fs = NULL; g->fd = NULL; g->aio_events = NULL;
+	g->fs = NULL;
+	g->fd = NULL;
+	g->aio_events = NULL;
 
-	g->fs = glfs_new (opt->gf_vol);
-	if (!g->fs){
-	    log_err("glfs_new failed.\n");
-	    goto cleanup;
+	g->fs = glfs_new(opt->gf_vol);
+	if (!g->fs) {
+		log_err("glfs_new failed.\n");
+		goto cleanup;
 	}
-	glfs_set_logging (g->fs, "/tmp/fio_gfapi.log", 7);
+	glfs_set_logging(g->fs, "/tmp/fio_gfapi.log", 7);
 	/* default to tcp */
 	r = glfs_set_volfile_server(g->fs, "tcp", opt->gf_brick, 0);
-	if (r){
-	    log_err("glfs_set_volfile_server failed.\n");
-	    goto cleanup;
+	if (r) {
+		log_err("glfs_set_volfile_server failed.\n");
+		goto cleanup;
 	}
 	r = glfs_init(g->fs);
-	if (r){
-	    log_err("glfs_init failed. Is glusterd running on brick?\n");
-	    goto cleanup;
+	if (r) {
+		log_err("glfs_init failed. Is glusterd running on brick?\n");
+		goto cleanup;
 	}
 	sleep(2);
-	r = glfs_lstat (g->fs, ".", &sb);
-	if (r){
-	    log_err("glfs_lstat failed.\n");
-	    goto cleanup;
+	r = glfs_lstat(g->fs, ".", &sb);
+	if (r) {
+		log_err("glfs_lstat failed.\n");
+		goto cleanup;
 	}
 	dprint(FD_FILE, "fio setup %p\n", g->fs);
 	td->io_ops->data = g;
 cleanup:
-	if (r){
-	    if (g){
-            if (g->fs){
-                glfs_fini(g->fs);
-            }
-            free(g);
-            td->io_ops->data = NULL;
-	    }
+	if (r) {
+		if (g) {
+			if (g->fs) {
+				glfs_fini(g->fs);
+			}
+			free(g);
+			td->io_ops->data = NULL;
+		}
 	}
 	return r;
 }
@@ -93,154 +95,170 @@
 	struct gf_data *g = td->io_ops->data;
 
 	if (g) {
-        if (g->aio_events)
-            free(g->aio_events);
-        if (g->fd)
-            glfs_close(g->fd);
-        if (g->fs)
-            glfs_fini(g->fs);
-        free(g);
-        td->io_ops->data = NULL;
+		if (g->aio_events)
+			free(g->aio_events);
+		if (g->fd)
+			glfs_close(g->fd);
+		if (g->fs)
+			glfs_fini(g->fs);
+		free(g);
+		td->io_ops->data = NULL;
 	}
 }
 
 int fio_gf_get_file_size(struct thread_data *td, struct fio_file *f)
 {
-    struct stat buf;
-    int ret;
-    struct gf_data *g = td->io_ops->data;
+	struct stat buf;
+	int ret;
+	struct gf_data *g = td->io_ops->data;
 
-    dprint(FD_FILE, "get file size %s\n", f->file_name);
+	dprint(FD_FILE, "get file size %s\n", f->file_name);
 
-    if (!g || !g->fs)
-    {
-        return 0;
-    }
-    if (fio_file_size_known(f))
-        return 0;
+	if (!g || !g->fs) {
+		return 0;
+	}
+	if (fio_file_size_known(f))
+		return 0;
 
-    ret = glfs_lstat (g->fs, f->file_name, &buf);
-    if (ret < 0){
-        log_err("glfs_lstat failed.\n");
-        return ret;
-    }
+	ret = glfs_lstat(g->fs, f->file_name, &buf);
+	if (ret < 0) {
+		log_err("glfs_lstat failed.\n");
+		return ret;
+	}
 
-    f->real_file_size = buf.st_size;
-    fio_file_set_size_known(f);
+	f->real_file_size = buf.st_size;
+	fio_file_set_size_known(f);
 
-    return 0;
+	return 0;
 
 }
 
 int fio_gf_open_file(struct thread_data *td, struct fio_file *f)
 {
 
-    int flags = 0;
-    int ret = 0;
-    struct gf_data *g = td->io_ops->data;
-    struct stat sb = {0, };
+	int flags = 0;
+	int ret = 0;
+	struct gf_data *g = td->io_ops->data;
+	struct stat sb = { 0, };
 
-    if (td_write(td)) {
-        if (!read_only)
-            flags = O_RDWR;
-    } else if (td_read(td)) {
-        if (!read_only)
-            flags = O_RDWR;
-        else
-            flags = O_RDONLY;
-    }
-    dprint(FD_FILE, "fio file %s open mode %s td rw %s\n", f->file_name,
-           flags == O_RDONLY? "ro":"rw", td_read(td)? "read":"write");
-    g->fd = glfs_creat(g->fs, f->file_name, flags, 0644);    
-    if (!g->fd){
-        log_err("glfs_creat failed.\n");
-        ret = errno;
-    }
-    /* file for read doesn't exist or shorter than required, create/extend it */
-    if (td_read(td)){
-        if (glfs_lstat (g->fs, f->file_name, &sb) || sb.st_size < f->real_file_size){
-            dprint(FD_FILE, "fio extend file %s from %ld to %ld\n", f->file_name, sb.st_size, f->real_file_size);
-            ret = glfs_ftruncate (g->fd, f->real_file_size);
-            if (ret){
-                log_err("failed fio extend file %s to %ld\n", f->file_name, f->real_file_size);
-            }else{
-                unsigned long long left;
-                unsigned int bs;
-                char *b;
-                int r;
+	if (td_write(td)) {
+		if (!read_only)
+			flags = O_RDWR;
+	} else if (td_read(td)) {
+		if (!read_only)
+			flags = O_RDWR;
+		else
+			flags = O_RDONLY;
+	}
+	dprint(FD_FILE, "fio file %s open mode %s td rw %s\n", f->file_name,
+	       flags == O_RDONLY ? "ro" : "rw", td_read(td) ? "read" : "write");
+	g->fd = glfs_creat(g->fs, f->file_name, flags, 0644);
+	if (!g->fd) {
+		log_err("glfs_creat failed.\n");
+		ret = errno;
+	}
+	/* file for read doesn't exist or shorter than required, create/extend it */
+	if (td_read(td)) {
+		if (glfs_lstat(g->fs, f->file_name, &sb)
+		    || sb.st_size < f->real_file_size) {
+			dprint(FD_FILE, "fio extend file %s from %ld to %ld\n",
+			       f->file_name, sb.st_size, f->real_file_size);
+			ret = glfs_ftruncate(g->fd, f->real_file_size);
+			if (ret) {
+				log_err("failed fio extend file %s to %ld\n",
+					f->file_name, f->real_file_size);
+			} else {
+				unsigned long long left;
+				unsigned int bs;
+				char *b;
+				int r;
 
-                /* fill the file, copied from extend_file */
-                b = malloc(td->o.max_bs[DDIR_WRITE]);
+				/* fill the file, copied from extend_file */
+				b = malloc(td->o.max_bs[DDIR_WRITE]);
 
-                left = f->real_file_size;
-                while (left && !td->terminate) {
-                    bs = td->o.max_bs[DDIR_WRITE];
-                    if (bs > left)
-                        bs = left;
+				left = f->real_file_size;
+				while (left && !td->terminate) {
+					bs = td->o.max_bs[DDIR_WRITE];
+					if (bs > left)
+						bs = left;
 
-                    fill_io_buffer(td, b, bs, bs);
+					fill_io_buffer(td, b, bs, bs);
 
-                    r = glfs_write(g->fd, b, bs, 0);
-                    dprint(FD_IO, "fio write %d of %ld file %s\n", r, f->real_file_size, f->file_name);
+					r = glfs_write(g->fd, b, bs, 0);
+					dprint(FD_IO,
+					       "fio write %d of %ld file %s\n",
+					       r, f->real_file_size,
+					       f->file_name);
 
-                    if (r > 0) {
-                        left -= r;
-                        continue;
-                    } else {
-                        if (r < 0) {
-                            int __e = errno;
+					if (r > 0) {
+						left -= r;
+						continue;
+					} else {
+						if (r < 0) {
+							int __e = errno;
 
-                            if (__e == ENOSPC) {
-                                if (td->o.fill_device)
-                                    break;
-                                log_info("fio: ENOSPC on laying out "
-                                         "file, stopping\n");
-                                break;
-                            }
-                            td_verror(td, errno, "write");
-                        } else
-                            td_verror(td, EIO, "write");
+							if (__e == ENOSPC) {
+								if (td->o.
+								    fill_device)
+									break;
+								log_info
+								    ("fio: ENOSPC on laying out "
+								     "file, stopping\n");
+								break;
+							}
+							td_verror(td, errno,
+								  "write");
+						} else
+							td_verror(td, EIO,
+								  "write");
 
-                        break;
-                    }
-                }
+						break;
+					}
+				}
 
-                if (b) free(b);
-                glfs_lseek(g->fd, 0, SEEK_SET);
+				if (b)
+					free(b);
+				glfs_lseek(g->fd, 0, SEEK_SET);
 
-                if (td->terminate) {
-                    dprint(FD_FILE, "terminate unlink %s\n", f->file_name);
-                    unlink(f->file_name);
-                } else if (td->o.create_fsync) {
-                    if (glfs_fsync(g->fd) < 0) {
-                        dprint(FD_FILE, "failed to sync, close %s\n", f->file_name);
-                        td_verror(td, errno, "fsync");
-                        glfs_close(g->fd);
-                        g->fd = NULL;
-                        return 1;
-                    }
-                }
-            }
-        }
-    }
+				if (td->terminate) {
+					dprint(FD_FILE, "terminate unlink %s\n",
+					       f->file_name);
+					unlink(f->file_name);
+				} else if (td->o.create_fsync) {
+					if (glfs_fsync(g->fd) < 0) {
+						dprint(FD_FILE,
+						       "failed to sync, close %s\n",
+						       f->file_name);
+						td_verror(td, errno, "fsync");
+						glfs_close(g->fd);
+						g->fd = NULL;
+						return 1;
+					}
+				}
+			}
+		}
+	}
 #if defined(GFAPI_USE_FADVISE)
-    {
-        int r = 0; 
-        if (td_random(td)){
-            r = glfs_fadvise(g->fd, 0, f->real_file_size, POSIX_FADV_RANDOM);
-        }else{
-            r = glfs_fadvise(g->fd, 0, f->real_file_size, POSIX_FADV_SEQUENTIAL);
-        }
-        if (r){
-            dprint(FD_FILE, "fio %p fadvise %s status %d\n", g->fs, f->file_name, r);
-        }
-    }
+	{
+		int r = 0;
+		if (td_random(td)) {
+			r = glfs_fadvise(g->fd, 0, f->real_file_size,
+					 POSIX_FADV_RANDOM);
+		} else {
+			r = glfs_fadvise(g->fd, 0, f->real_file_size,
+					 POSIX_FADV_SEQUENTIAL);
+		}
+		if (r) {
+			dprint(FD_FILE, "fio %p fadvise %s status %d\n", g->fs,
+			       f->file_name, r);
+		}
+	}
 #endif
-    dprint(FD_FILE, "fio %p created %s\n", g->fs, f->file_name);
-    f->fd = -1;
-    f->shadow_fd = -1;    
+	dprint(FD_FILE, "fio %p created %s\n", g->fs, f->file_name);
+	f->fd = -1;
+	f->shadow_fd = -1;
 
-    return ret;
+	return ret;
 }
 
 int fio_gf_close_file(struct thread_data *td, struct fio_file *f)
@@ -250,19 +268,18 @@
 
 	dprint(FD_FILE, "fd close %s\n", f->file_name);
 
-    if (g){
-        if (g->fd && glfs_close(g->fd) < 0)
-            ret = errno;
+	if (g) {
+		if (g->fd && glfs_close(g->fd) < 0)
+			ret = errno;
 
-        if (g->fs)
-            glfs_fini(g->fs);
+		if (g->fs)
+			glfs_fini(g->fs);
 
-        g->fd = NULL;
-        free(g);
-    }
+		g->fd = NULL;
+		free(g);
+	}
 	td->io_ops->data = NULL;
 	f->engine_data = 0;
 
 	return ret;
 }
-
diff --git a/engines/glusterfs_async.c b/engines/glusterfs_async.c
index bea9549..30f1719 100644
--- a/engines/glusterfs_async.c
+++ b/engines/glusterfs_async.c
@@ -20,7 +20,7 @@
 }
 
 static int fio_gf_getevents(struct thread_data *td, unsigned int min,
-			     unsigned int max, struct timespec *t)
+			    unsigned int max, struct timespec *t)
 {
 	struct gf_data *g = td->io_ops->data;
 	unsigned int events = 0;
@@ -41,8 +41,8 @@
 				g->aio_events[events] = io_u;
 				events++;
 
-                if (events >= max) 
-                    break;
+				if (events >= max)
+					break;
 			}
 
 		}
@@ -61,13 +61,13 @@
 	struct fio_gf_iou *io = io_u->engine_data;
 
 	if (io) {
-        if (io->io_complete){
-            log_err("incomplete IO found.\n");
-        }
+		if (io->io_complete) {
+			log_err("incomplete IO found.\n");
+		}
 		io_u->engine_data = NULL;
 		free(io);
 	}
-    fprintf(stderr, "issued %lu finished %lu\n", issued, cb_count);
+	fprintf(stderr, "issued %lu finished %lu\n", issued, cb_count);
 }
 
 static int fio_gf_io_u_init(struct thread_data *td, struct io_u *io_u)
@@ -76,59 +76,63 @@
 
 	dprint(FD_FILE, "%s\n", __FUNCTION__);
 
-    if (!io_u->engine_data){
-        io = malloc(sizeof(struct fio_gf_iou));
-        if (!io){
-            td_verror(td, errno, "malloc");
-            return 1;
-        }
-        io->io_complete = 0;
-        io->io_u = io_u;
-        io_u->engine_data = io;
-    }
+	if (!io_u->engine_data) {
+		io = malloc(sizeof(struct fio_gf_iou));
+		if (!io) {
+			td_verror(td, errno, "malloc");
+			return 1;
+		}
+		io->io_complete = 0;
+		io->io_u = io_u;
+		io_u->engine_data = io;
+	}
 	return 0;
 }
 
-static void gf_async_cb(glfs_fd_t *fd, ssize_t ret, void *data) 
+static void gf_async_cb(glfs_fd_t * fd, ssize_t ret, void *data)
 {
 	struct io_u *io_u = (struct io_u *)data;
-	struct fio_gf_iou *iou =
-	    (struct fio_gf_iou *)io_u->engine_data;
+	struct fio_gf_iou *iou = (struct fio_gf_iou *)io_u->engine_data;
 
-    dprint(FD_IO, "%s ret %lu\n", __FUNCTION__, ret);    
-    iou->io_complete = 1;
-    cb_count ++;
+	dprint(FD_IO, "%s ret %lu\n", __FUNCTION__, ret);
+	iou->io_complete = 1;
+	cb_count++;
 }
 
-static int fio_gf_async_queue(struct thread_data fio_unused *td, struct io_u *io_u)
+static int fio_gf_async_queue(struct thread_data fio_unused * td,
+			      struct io_u *io_u)
 {
 	struct gf_data *g = td->io_ops->data;
-    int r = 0;
+	int r = 0;
 
-    dprint(FD_IO, "%s op %s\n", __FUNCTION__,  
-           io_u->ddir == DDIR_READ? "read": io_u->ddir == DDIR_WRITE? "write":io_u->ddir == DDIR_SYNC? "sync":"unknown");    
+	dprint(FD_IO, "%s op %s\n", __FUNCTION__,
+	       io_u->ddir == DDIR_READ ? "read" : io_u->ddir ==
+	       DDIR_WRITE ? "write" : io_u->ddir ==
+	       DDIR_SYNC ? "sync" : "unknown");
 
 	fio_ro_check(td, io_u);
 
 	if (io_u->ddir == DDIR_READ)
-		r = glfs_pread_async(g->fd, io_u->xfer_buf, io_u->xfer_buflen, io_u->offset,
-                         0, gf_async_cb, (void *)io_u);
+		r = glfs_pread_async(g->fd, io_u->xfer_buf, io_u->xfer_buflen,
+				     io_u->offset, 0, gf_async_cb,
+				     (void *)io_u);
 	else if (io_u->ddir == DDIR_WRITE)
-		r = glfs_pwrite_async(g->fd, io_u->xfer_buf, io_u->xfer_buflen, io_u->offset,
-                         0, gf_async_cb, (void *)io_u);
-    else if (io_u->ddir == DDIR_SYNC) {
-        r = glfs_fsync_async(g->fd, gf_async_cb, (void *)io_u);
-    }else { 	    
-        log_err("unsupported operation.\n");
-        io_u->error = -EINVAL;
-        goto failed;
-    }
-    if (r){
-        log_err("glfs failed.\n");
-        io_u->error = r;
-        goto failed;
-    }
-    issued ++;
+		r = glfs_pwrite_async(g->fd, io_u->xfer_buf, io_u->xfer_buflen,
+				      io_u->offset, 0, gf_async_cb,
+				      (void *)io_u);
+	else if (io_u->ddir == DDIR_SYNC) {
+		r = glfs_fsync_async(g->fd, gf_async_cb, (void *)io_u);
+	} else {
+		log_err("unsupported operation.\n");
+		io_u->error = -EINVAL;
+		goto failed;
+	}
+	if (r) {
+		log_err("glfs failed.\n");
+		io_u->error = r;
+		goto failed;
+	}
+	issued++;
 	return FIO_Q_QUEUED;
 
 failed:
@@ -142,24 +146,24 @@
 	int r = 0;
 	struct gf_data *g = NULL;
 #if defined(NOT_YET)
-    fprintf(stderr, "the async interface is still very experimental...\n");
+	fprintf(stderr, "the async interface is still very experimental...\n");
 #endif
-    r = fio_gf_setup(td);
-    if (r){
-        return r;
-    }
+	r = fio_gf_setup(td);
+	if (r) {
+		return r;
+	}
 	td->o.use_thread = 1;
-    g = td->io_ops->data;
-    g->aio_events = malloc(td->o.iodepth * sizeof(struct io_u *));
-	if (!g->aio_events){
-        r = -ENOMEM;
-        fio_gf_cleanup(td);
-        return r;
-    }
+	g = td->io_ops->data;
+	g->aio_events = malloc(td->o.iodepth * sizeof(struct io_u *));
+	if (!g->aio_events) {
+		r = -ENOMEM;
+		fio_gf_cleanup(td);
+		return r;
+	}
 
 	memset(g->aio_events, 0, td->o.iodepth * sizeof(struct io_u *));
 
-    return r;
+	return r;
 
 }
 
@@ -174,30 +178,30 @@
 }
 
 static struct ioengine_ops ioengine = {
-	.name		    = "gfapi_async",
-	.version	    = FIO_IOOPS_VERSION,
-	.init           = fio_gf_async_setup,
-	.cleanup        = fio_gf_cleanup,
-    .prep           = fio_gf_async_prep,
-  	.queue		    = fio_gf_async_queue,
-	.open_file	    = fio_gf_open_file,
-	.close_file	    = fio_gf_close_file,
-	.get_file_size	= fio_gf_get_file_size,
-	.getevents      = fio_gf_getevents,
-	.event          = fio_gf_event,
-	.io_u_init      = fio_gf_io_u_init,
-	.io_u_free      = fio_gf_io_u_free,
-	.options        = gfapi_options,
+	.name = "gfapi_async",
+	.version = FIO_IOOPS_VERSION,
+	.init = fio_gf_async_setup,
+	.cleanup = fio_gf_cleanup,
+	.prep = fio_gf_async_prep,
+	.queue = fio_gf_async_queue,
+	.open_file = fio_gf_open_file,
+	.close_file = fio_gf_close_file,
+	.get_file_size = fio_gf_get_file_size,
+	.getevents = fio_gf_getevents,
+	.event = fio_gf_event,
+	.io_u_init = fio_gf_io_u_init,
+	.io_u_free = fio_gf_io_u_free,
+	.options = gfapi_options,
 	.option_struct_size = sizeof(struct gf_options),
-	.flags		    = FIO_DISKLESSIO,
+	.flags = FIO_DISKLESSIO,
 };
 
 static void fio_init fio_gf_register(void)
 {
-    register_ioengine(&ioengine);
+	register_ioengine(&ioengine);
 }
 
 static void fio_exit fio_gf_unregister(void)
 {
-    unregister_ioengine(&ioengine);
+	unregister_ioengine(&ioengine);
 }
diff --git a/engines/glusterfs_sync.c b/engines/glusterfs_sync.c
index cff6427..938baf4 100644
--- a/engines/glusterfs_sync.c
+++ b/engines/glusterfs_sync.c
@@ -31,63 +31,63 @@
 
 static int fio_gf_queue(struct thread_data *td, struct io_u *io_u)
 {
-    struct gf_data *g = td->io_ops->data;
-    int ret = 0;
+	struct gf_data *g = td->io_ops->data;
+	int ret = 0;
 
-    dprint(FD_FILE, "fio queue len %lu\n", io_u->xfer_buflen);
-    fio_ro_check(td, io_u);
+	dprint(FD_FILE, "fio queue len %lu\n", io_u->xfer_buflen);
+	fio_ro_check(td, io_u);
 
-    if (io_u->ddir == DDIR_READ)
-        ret = glfs_read(g->fd, io_u->xfer_buf, io_u->xfer_buflen, 0);
-    else if (io_u->ddir == DDIR_WRITE)
-        ret = glfs_write(g->fd, io_u->xfer_buf, io_u->xfer_buflen, 0);
-    else { 	    
-        log_err("unsupported operation.\n");
-        return -EINVAL;
-    }
-    dprint(FD_FILE, "fio len %lu ret %d\n", io_u->xfer_buflen, ret);
-    if (io_u->file && ret >= 0 && ddir_rw(io_u->ddir))
-        LAST_POS(io_u->file) = io_u->offset + ret;
+	if (io_u->ddir == DDIR_READ)
+		ret = glfs_read(g->fd, io_u->xfer_buf, io_u->xfer_buflen, 0);
+	else if (io_u->ddir == DDIR_WRITE)
+		ret = glfs_write(g->fd, io_u->xfer_buf, io_u->xfer_buflen, 0);
+	else {
+		log_err("unsupported operation.\n");
+		return -EINVAL;
+	}
+	dprint(FD_FILE, "fio len %lu ret %d\n", io_u->xfer_buflen, ret);
+	if (io_u->file && ret >= 0 && ddir_rw(io_u->ddir))
+		LAST_POS(io_u->file) = io_u->offset + ret;
 
-    if (ret != (int) io_u->xfer_buflen) {
-        if (ret >= 0) {
-            io_u->resid = io_u->xfer_buflen - ret;
-            io_u->error = 0;
-            return FIO_Q_COMPLETED;
-        } else
-            io_u->error = errno;
-    }
+	if (ret != (int)io_u->xfer_buflen) {
+		if (ret >= 0) {
+			io_u->resid = io_u->xfer_buflen - ret;
+			io_u->error = 0;
+			return FIO_Q_COMPLETED;
+		} else
+			io_u->error = errno;
+	}
 
-    if (io_u->error){
-        log_err("IO failed.\n");
-        td_verror(td, io_u->error, "xfer");
-    }
+	if (io_u->error) {
+		log_err("IO failed.\n");
+		td_verror(td, io_u->error, "xfer");
+	}
 
-    return FIO_Q_COMPLETED;
+	return FIO_Q_COMPLETED;
 
 }
 
 static struct ioengine_ops ioengine = {
-	.name		    = "gfapi",
-	.version	    = FIO_IOOPS_VERSION,
-	.init           = fio_gf_setup,
-	.cleanup        = fio_gf_cleanup,
-	.prep		    = fio_gf_prep,
-	.queue		    = fio_gf_queue,
-	.open_file	    = fio_gf_open_file,
-	.close_file	    = fio_gf_close_file,
-	.get_file_size	= fio_gf_get_file_size,
-	.options        = gfapi_options,
+	.name = "gfapi",
+	.version = FIO_IOOPS_VERSION,
+	.init = fio_gf_setup,
+	.cleanup = fio_gf_cleanup,
+	.prep = fio_gf_prep,
+	.queue = fio_gf_queue,
+	.open_file = fio_gf_open_file,
+	.close_file = fio_gf_close_file,
+	.get_file_size = fio_gf_get_file_size,
+	.options = gfapi_options,
 	.option_struct_size = sizeof(struct gf_options),
-	.flags		    = FIO_SYNCIO | FIO_DISKLESSIO,
+	.flags = FIO_SYNCIO | FIO_DISKLESSIO,
 };
 
 static void fio_init fio_gf_register(void)
 {
-    register_ioengine(&ioengine);
+	register_ioengine(&ioengine);
 }
 
 static void fio_exit fio_gf_unregister(void)
 {
-    unregister_ioengine(&ioengine);
+	unregister_ioengine(&ioengine);
 }