diff options
-rw-r--r-- | tests/fs-tests/integrity/integck.c | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/tests/fs-tests/integrity/integck.c b/tests/fs-tests/integrity/integck.c index 7348e14..778e35c 100644 --- a/tests/fs-tests/integrity/integck.c +++ b/tests/fs-tests/integrity/integck.c @@ -921,26 +921,28 @@ static int file_ftruncate(struct file_info *file, int fd, off_t new_length) return 0; } -static void file_mmap_write(struct file_info *file) +/* + * 'mmap()' a file and randomly select where to write data. + */ +static int file_mmap_write(struct file_info *file) { size_t write_cnt = 0, r, i, len, size; struct write_info *w = file->writes; void *addr; - char *waddr; + char *waddr, *path; off_t offs, offset; - unsigned seed; + unsigned int seed; uint64_t free_space; int fd; - char *path; if (!file->links) - return; + return 0; get_fs_space(NULL, &free_space); if (!free_space) - return; + return 0; /* Randomly pick a written area of the file */ if (!w) - return; + return 0; while (w) { write_cnt += 1; w = w->next; @@ -959,12 +961,15 @@ static void file_mmap_write(struct file_info *file) path = dir_path(file->links->parent, file->links->name); fd = open(path, O_RDWR); CHECK(fd != -1); - free(path); /* mmap it */ addr = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, offs); CHECK(close(fd) == 0); - CHECK(addr != MAP_FAILED); + if (addr == MAP_FAILED) { + pcv("cannot mmap file %s", path); + free(path); + return -1; + } /* Randomly select a part of the mmapped area to write */ size = random_no(w->size); @@ -982,10 +987,16 @@ static void file_mmap_write(struct file_info *file) waddr[i] = rand(); /* Unmap it */ - CHECK(munmap(addr, len) == 0); + if (munmap(addr, len)) { + pcv("cannot unmap file %s", path); + free(path); + return -1; + } /* Record what was written */ file_write_info(file, offset, size, seed); + free(path); + return 0; } /* @@ -1000,10 +1011,8 @@ static int file_write(struct file_info *file, int fd) int ret, truncate = 0; if (fsinfo.can_mmap && !full && !file->deleted && - random_no(100) == 1) { - file_mmap_write(file); - return 0; - } + random_no(100) == 1) + return file_mmap_write(file); get_offset_and_size(file, &offset, &size); seed = random_no(MAX_RANDOM_SEED); |