#include "disk-io.h"
#include "commands.h"
+#include "help.h"
static const char * const scrub_cmd_group_usage[] = {
"btrfs scrub <command> [options] <path>|<device>",
/*
* returns 0 if the key did not match (nothing was read)
* 1 if the key did match (success)
- * -1 if the key did match and an error occured
+ * -1 if the key did match and an error occurred
*/
static int scrub_kvread(int *i, int len, int avail, const char *buf,
const char *key, u64 *dest)
{
int avail = 0;
int old_avail = 0;
- char l[16 * 1024];
+ char l[SZ_16K];
int state = 0;
int curr = -1;
int i = 0;
again:
old_avail = avail - i;
- BUG_ON(old_avail < 0);
+ if (old_avail < 0) {
+ error("scrub record file corrupted near byte %d", i);
+ return ERR_PTR(-EINVAL);
+ }
if (old_avail)
memmove(l, l + i, old_avail);
avail = read(fd, l + old_avail, sizeof(l) - old_avail);
} while (i < avail);
continue;
}
- BUG();
+ error("internal error: unknown parser state %d near byte %d",
+ state, i);
+ return ERR_PTR(-EINVAL);
}
goto again;
}
int force = 0;
int nothing_to_resume = 0;
- optind = 1;
while ((c = getopt(argc, argv, "BdqrRc:n:f")) != -1) {
switch (c) {
case 'B':
path = argv[optind];
- fdmnt = open_path_or_dev_mnt(path, &dirstream);
-
- if (fdmnt < 0) {
- if (errno == EINVAL)
- error_on(!do_quiet, "'%s' is not a mounted btrfs device",
- path);
- else
- error_on(!do_quiet, "can't access '%s': %s",
- path, strerror(errno));
+ fdmnt = open_path_or_dev_mnt(path, &dirstream, !do_quiet);
+ if (fdmnt < 0)
return 1;
- }
ret = get_fs_info(path, &fi_args, &di_args);
if (ret) {
int fdmnt = -1;
DIR *dirstream = NULL;
- if (check_argc_exact(argc, 2))
+ clean_args_no_options(argc, argv, cmd_scrub_cancel_usage);
+
+ if (check_argc_exact(argc - optind, 1))
usage(cmd_scrub_cancel_usage);
- path = argv[1];
+ path = argv[optind];
- fdmnt = open_path_or_dev_mnt(path, &dirstream);
+ fdmnt = open_path_or_dev_mnt(path, &dirstream, 1);
if (fdmnt < 0) {
- if (errno == EINVAL)
- error("'%s' is not a mounted btrfs device", path);
- else
- error("can't access '%s': %s", path, strerror(errno));
ret = 1;
goto out;
}
int err = 0;
DIR *dirstream = NULL;
- optind = 1;
while ((c = getopt(argc, argv, "dR")) != -1) {
switch (c) {
case 'd':
path = argv[optind];
- fdmnt = open_path_or_dev_mnt(path, &dirstream);
-
- if (fdmnt < 0) {
- if (errno == EINVAL)
- error("'%s' is not a mounted btrfs device", path);
- else
- error("can't access '%s': %s", path, strerror(errno));
+ fdmnt = open_path_or_dev_mnt(path, &dirstream, 1);
+ if (fdmnt < 0)
return 1;
- }
ret = get_fs_info(path, &fi_args, &di_args);
if (ret) {