void ffsb_deletefile(ffsb_thread_t *ft, ffsb_fs_t *fs, unsigned opnum)
{
struct benchfiles *bf = (struct benchfiles *)fs_get_opdata(fs, opnum);
struct ffsb_file *curfile = NULL;
randdata_t *rd = ft_get_randdata(ft);
struct timeval start, end;
int need_stats = ft_needs_stats(ft, SYS_UNLINK) ||
fs_needs_stats(fs, SYS_UNLINK);
curfile = choose_file_writer(bf, rd);
remove_file(bf, curfile);
if (need_stats)
gettimeofday(&start, NULL);
if (unlink(curfile->name) == -1) {
printf("error deleting %s in deletefile\n", curfile->name);
perror("deletefile");
exit(0);
}
if (need_stats) {
gettimeofday(&end, NULL);
do_stats(&start, &end, ft, fs, SYS_UNLINK);
}
rw_unlock_write(&curfile->lock);
ft_incr_op(ft, opnum, 1, 0);
}
static void removedir(struct benchfiles *dirs, randdata_t *rd)
{
struct ffsb_file *deldir;
deldir = choose_file_writer(dirs, rd);
remove_file(dirs, deldir);
if (rmdir(deldir->name) < 0) {
perror("rmdir");
exit(1);
}
unlock_file_writer(deldir);
}
struct ffsb_file *choose_file_writer(struct benchfiles *bf, randdata_t *rd)
{
struct ffsb_file *ret ;
rw_lock_read(&bf->fileslock);
assert(bf->holes->count != bf->listsize);
ret = choose_file(bf, rd);
if (rw_trylock_write(&ret->lock)) {
rw_unlock_read(&bf->fileslock);
return choose_file_writer(bf, rd);
}
rw_unlock_read(&bf->fileslock);
return ret;
}
static void renamedir(struct benchfiles *dirs, randdata_t *rd)
{
struct ffsb_file *dir;
char *oldname;
dir = choose_file_writer(dirs, rd);
oldname = dir->name;
rename_file(dir);
if (rename(oldname, dir->name) < 0) {
perror("rename");
exit(1);
}
unlock_file_writer(dir);
free(oldname);
}
