X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=filesetup.c;h=7ed47a25b5846108125e1028f30fa51d9cb87425;hb=590aebda258e146edd73382121be9c84643d8f1b;hp=af23191fb33d9f78442ba24992024c332fa969bd;hpb=9a153e6efa862c547abfc745fed2c27fce8daf20;p=fio.git

diff --git a/filesetup.c b/filesetup.c
index af23191f..7ed47a25 100644
--- a/filesetup.c
+++ b/filesetup.c
@@ -61,20 +61,28 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
 	if (!new_layout)
 		goto done;
 
-	dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name,
+	/*
+	 * The size will be -1ULL when fill_device is used, so don't truncate
+	 * or fallocate this file, just write it
+	 */
+	if (!td->o.fill_device) {
+		dprint(FD_FILE, "truncate file %s, size %llu\n", f->file_name,
 							f->real_file_size);
-	if (ftruncate(f->fd, f->real_file_size) == -1) {
-		td_verror(td, errno, "ftruncate");
-		goto err;
-	}
+		if (ftruncate(f->fd, f->real_file_size) == -1) {
+			td_verror(td, errno, "ftruncate");
+			goto err;
+		}
 
 #ifdef FIO_HAVE_FALLOCATE
-	dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name,
+		dprint(FD_FILE, "fallocate file %s, size %llu\n", f->file_name,
 							f->real_file_size);
-	r = posix_fallocate(f->fd, 0, f->real_file_size);
-	if (r < 0)
-		log_err("fio: posix_fallocate fails: %s\n", strerror(-r));
+		r = posix_fallocate(f->fd, 0, f->real_file_size);
+		if (r < 0) {
+			log_err("fio: posix_fallocate fails: %s\n",
+					strerror(-r));
+		}
 #endif
+	}
 
 	b = malloc(td->o.max_bs[DDIR_WRITE]);
 	memset(b, 0, td->o.max_bs[DDIR_WRITE]);
@@ -87,13 +95,22 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
 
 		r = write(f->fd, b, bs);
 
-		if (r == (int) bs) {
-			left -= bs;
+		if (r > 0) {
+			left -= r;
 			continue;
 		} else {
-			if (r < 0)
+			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
+			} else
 				td_verror(td, EIO, "write");
 
 			break;
@@ -109,6 +126,13 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
 			goto err;
 		}
 	}
+	if (td->o.fill_device) {
+		fio_file_clear_size_known(f);
+		if (td_io_get_file_size(td, f))
+			goto err;
+		if (f->io_size > f->real_file_size)
+			f->io_size = f->real_file_size;
+	}
 
 	free(b);
 done:
@@ -119,6 +143,54 @@ err:
 	return 1;
 }
 
+static int pre_read_file(struct thread_data *td, struct fio_file *f)
+{
+	int r, did_open = 0, old_runstate;
+	unsigned long long left;
+	unsigned int bs;
+	char *b;
+
+	if (!fio_file_open(f)) {
+		if (td->io_ops->open_file(td, f)) {
+			log_err("fio: cannot pre-read, failed to open file\n");
+			return 1;
+		}
+		did_open = 1;
+	}
+
+	old_runstate = td->runstate;
+	td_set_runstate(td, TD_PRE_READING);
+
+	bs = td->o.max_bs[DDIR_READ];
+	b = malloc(bs);
+	memset(b, 0, bs);
+
+	lseek(f->fd, f->file_offset, SEEK_SET);
+	left = f->io_size;
+
+	while (left && !td->terminate) {
+		if (bs > left)
+			bs = left;
+
+		r = read(f->fd, b, bs);
+
+		if (r == (int) bs) {
+			left -= bs;
+			continue;
+		} else {
+			td_verror(td, EIO, "pre_read");
+			break;
+		}
+	}
+
+	td_set_runstate(td, old_runstate);
+
+	if (did_open)
+		td->io_ops->close_file(td, f);
+	free(b);
+	return 0;
+}
+
 static unsigned long long get_rand_file_size(struct thread_data *td)
 {
 	unsigned long long ret, sized;
@@ -178,7 +250,7 @@ static int get_file_size(struct thread_data *td, struct fio_file *f)
 {
 	int ret = 0;
 
-	if (f->flags & FIO_SIZE_KNOWN)
+	if (fio_file_size_known(f))
 		return 0;
 
 	if (f->filetype == FIO_TYPE_FILE)
@@ -197,7 +269,7 @@ static int get_file_size(struct thread_data *td, struct fio_file *f)
 		return 1;
 	}
 
-	f->flags |= FIO_SIZE_KNOWN;
+	fio_file_set_size_known(f);
 	return 0;
 }
 
@@ -218,8 +290,8 @@ static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
 	/*
 	 * FIXME: add blockdev flushing too
 	 */
-	if (f->mmap)
-		ret = madvise(f->mmap, len, MADV_DONTNEED);
+	if (f->mmap_ptr)
+		ret = madvise(f->mmap_ptr, f->mmap_sz, MADV_DONTNEED);
 	else if (f->filetype == FIO_TYPE_FILE) {
 		ret = fadvise(f->fd, off, len, POSIX_FADV_DONTNEED);
 	} else if (f->filetype == FIO_TYPE_BD) {
@@ -249,10 +321,10 @@ static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
 
 int file_invalidate_cache(struct thread_data *td, struct fio_file *f)
 {
-	if (!(f->flags & FIO_FILE_OPEN))
+	if (!fio_file_open(f))
 		return 0;
 
-	return __file_invalidate_cache(td, f, -1, -1);
+	return __file_invalidate_cache(td, f, -1ULL, -1ULL);
 }
 
 int generic_close_file(struct thread_data fio_unused *td, struct fio_file *f)
@@ -512,7 +584,7 @@ int setup_files(struct thread_data *td)
 				extend_size += (f->io_size + f->file_offset);
 			} else
 				f->real_file_size = f->io_size + f->file_offset;
-			f->flags |= FIO_FILE_EXTEND;
+			fio_file_set_extend(f);
 		}
 	}
 
@@ -530,20 +602,22 @@ int setup_files(struct thread_data *td)
 					extend_size >> 20);
 
 		for_each_file(td, f, i) {
-			unsigned long long old_len, extend_len;
+			unsigned long long old_len = -1ULL, extend_len = -1ULL;
 
-			if (!(f->flags & FIO_FILE_EXTEND))
+			if (!fio_file_extend(f))
 				continue;
 
 			assert(f->filetype == FIO_TYPE_FILE);
-			f->flags &= ~FIO_FILE_EXTEND;
-			old_len = f->real_file_size;
-			extend_len = f->io_size + f->file_offset - old_len;
+			fio_file_clear_extend(f);
+			if (!td->o.fill_device) {
+				old_len = f->real_file_size;
+				extend_len = f->io_size + f->file_offset - old_len;
+			}
 			f->real_file_size = (f->io_size + f->file_offset);
 			err = extend_file(td, f);
 			if (err)
 				break;
-			
+
 			err = __file_invalidate_cache(td, f, old_len,
 								extend_len);
 			close(f->fd);
@@ -572,6 +646,20 @@ err_offset:
 	return 1;
 }
 
+int pre_read_files(struct thread_data *td)
+{
+	struct fio_file *f;
+	unsigned int i;
+
+	dprint(FD_FILE, "pre_read files\n");
+
+	for_each_file(td, f, i) {
+		pre_read_file(td, f);
+	}
+
+	return 1;
+}
+
 int init_random_map(struct thread_data *td)
 {
 	unsigned long long blocks, num_maps;
@@ -686,7 +774,7 @@ int add_file(struct thread_data *td, const char *fname)
 	f->fd = -1;
 
 	if (td->files_size <= td->files_index) {
-		int new_size = td->o.nr_files;
+		int new_size = td->o.nr_files + 1;
 
 		dprint(FD_FILE, "resize file array to %d files\n", new_size);
 
@@ -740,7 +828,7 @@ int add_file(struct thread_data *td, const char *fname)
 void get_file(struct fio_file *f)
 {
 	dprint(FD_FILE, "get file %s, ref=%d\n", f->file_name, f->references);
-	assert(f->flags & FIO_FILE_OPEN);
+	assert(fio_file_open(f));
 	f->references++;
 }
 
@@ -750,7 +838,7 @@ int put_file(struct thread_data *td, struct fio_file *f)
 
 	dprint(FD_FILE, "put file %s, ref=%d\n", f->file_name, f->references);
 
-	if (!(f->flags & FIO_FILE_OPEN))
+	if (!fio_file_open(f))
 		return 0;
 
 	assert(f->references);
@@ -767,7 +855,7 @@ int put_file(struct thread_data *td, struct fio_file *f)
 		ret = f_ret;
 
 	td->nr_open_files--;
-	f->flags &= ~FIO_FILE_OPEN;
+	fio_file_clear_open(f);
 	return ret;
 }