diff options
Diffstat (limited to 'tests/fs-tests/integrity/integck.c')
| -rw-r--r-- | tests/fs-tests/integrity/integck.c | 59 |
1 files changed, 29 insertions, 30 deletions
diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c index 67085ec..9eddc0b 100644 --- a/tests/fs-tests/integrity/integck.c +++ b/tests/fs-tests/integrity/integck.c @@ -46,6 +46,9 @@ /* The pattern for the top directory where we run the test */ #define TEST_DIR_PATTERN "integck_test_dir_%u" +/* Maximum buffer size for a single read/write operation */ +#define IO_BUFFER_SIZE 32768 + /* * Check if a condition is true and die if not. */ @@ -727,8 +730,6 @@ static struct fd_info *file_open(struct file_info *file) return add_fd(file, fd); } -#define BUFFER_SIZE 32768 - /* * Write random 'size' bytes of random data to offset 'offset'. Seed the random * gererator with 'seed'. Return amount of written data on success and -1 on @@ -739,25 +740,25 @@ static ssize_t file_write_data(struct file_info *file, int fd, { size_t remains, actual, block; ssize_t written; - char buf[BUFFER_SIZE]; + char buf[IO_BUFFER_SIZE]; srand(seed); CHECK(lseek(fd, offset, SEEK_SET) != (off_t)-1); remains = size; actual = 0; - written = BUFFER_SIZE; + written = IO_BUFFER_SIZE; while (remains) { /* Fill up buffer with random data */ - if (written < BUFFER_SIZE) { - memmove(buf, buf + written, BUFFER_SIZE - written); - written = BUFFER_SIZE - written; + if (written < IO_BUFFER_SIZE) { + memmove(buf, buf + written, IO_BUFFER_SIZE - written); + written = IO_BUFFER_SIZE - written; } else written = 0; - for (; written < BUFFER_SIZE; ++written) + for (; written < IO_BUFFER_SIZE; ++written) buf[written] = rand(); /* Write a block of data */ - if (remains > BUFFER_SIZE) - block = BUFFER_SIZE; + if (remains > IO_BUFFER_SIZE) + block = IO_BUFFER_SIZE; else block = remains; written = write(fd, buf, block); @@ -1180,18 +1181,18 @@ static void file_rewrite_data(int fd, struct write_info *w, char *buf) rand(); CHECK(lseek(fd, w->offset, SEEK_SET) != (off_t)-1); remains = w->size; - written = BUFFER_SIZE; + written = IO_BUFFER_SIZE; while (remains) { /* Fill up buffer with random data */ - if (written < BUFFER_SIZE) - memmove(buf, buf + written, BUFFER_SIZE - written); + if (written < IO_BUFFER_SIZE) + memmove(buf, buf + written, IO_BUFFER_SIZE - written); else written = 0; - for (; written < BUFFER_SIZE; ++written) + for (; written < IO_BUFFER_SIZE; ++written) buf[written] = rand(); /* Write a block of data */ - if (remains > BUFFER_SIZE) - block = BUFFER_SIZE; + if (remains > IO_BUFFER_SIZE) + block = IO_BUFFER_SIZE; else block = remains; written = write(fd, buf, block); @@ -1204,7 +1205,7 @@ static void save_file(int fd, struct file_info *file) { int w_fd; struct write_info *w; - char buf[BUFFER_SIZE]; + char buf[IO_BUFFER_SIZE]; char name[256]; /* Open file to save contents to */ @@ -1219,7 +1220,7 @@ static void save_file(int fd, struct file_info *file) CHECK(lseek(fd, 0, SEEK_SET) != (off_t)-1); for (;;) { - ssize_t r = read(fd, buf, BUFFER_SIZE); + ssize_t r = read(fd, buf, IO_BUFFER_SIZE); CHECK(r != -1); if (!r) break; @@ -1241,18 +1242,17 @@ static void save_file(int fd, struct file_info *file) CHECK(close(w_fd) == 0); } -static void file_check_hole( struct file_info *file, - int fd, off_t offset, - size_t size) +static void file_check_hole(struct file_info *file, int fd, off_t offset, + size_t size) { size_t remains, block, i; - char buf[BUFFER_SIZE]; + char buf[IO_BUFFER_SIZE]; CHECK(lseek(fd, offset, SEEK_SET) != (off_t)-1); remains = size; while (remains) { - if (remains > BUFFER_SIZE) - block = BUFFER_SIZE; + if (remains > IO_BUFFER_SIZE) + block = IO_BUFFER_SIZE; else block = remains; CHECK(read(fd, buf, block) == block); @@ -1271,13 +1271,12 @@ static void file_check_hole( struct file_info *file, } } -static void file_check_data( struct file_info *file, - int fd, - struct write_info *w) +static void file_check_data(struct file_info *file, int fd, + struct write_info *w) { size_t remains, block, i; off_t r; - char buf[BUFFER_SIZE]; + char buf[IO_BUFFER_SIZE]; srand(w->random_seed); for (r = 0; r < w->random_offset; ++r) @@ -1285,8 +1284,8 @@ static void file_check_data( struct file_info *file, CHECK(lseek(fd, w->offset, SEEK_SET) != (off_t)-1); remains = w->size; while (remains) { - if (remains > BUFFER_SIZE) - block = BUFFER_SIZE; + if (remains > IO_BUFFER_SIZE) + block = IO_BUFFER_SIZE; else block = remains; CHECK(read(fd, buf, block) == block); |