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Diffstat (limited to 'cmds-filesystem.c')
-rw-r--r--cmds-filesystem.c30
1 files changed, 11 insertions, 19 deletions
diff --git a/cmds-filesystem.c b/cmds-filesystem.c
index 17d399d5..467aff11 100644
--- a/cmds-filesystem.c
+++ b/cmds-filesystem.c
@@ -71,7 +71,7 @@ static int get_df(int fd, struct btrfs_ioctl_space_args **sargs_ret)
ret = ioctl(fd, BTRFS_IOC_SPACE_INFO, sargs);
if (ret < 0) {
- error("cannot get space info: %s", strerror(errno));
+ error("cannot get space info: %m");
free(sargs);
return -errno;
}
@@ -92,8 +92,8 @@ static int get_df(int fd, struct btrfs_ioctl_space_args **sargs_ret)
sargs->total_spaces = 0;
ret = ioctl(fd, BTRFS_IOC_SPACE_INFO, sargs);
if (ret < 0) {
- error("cannot get space info with %llu slots: %s",
- count, strerror(errno));
+ error("cannot get space info with %llu slots: %m",
+ count);
free(sargs);
return -errno;
}
@@ -173,7 +173,6 @@ static int match_search_item_kernel(u8 *fsid, char *mnt, char *label,
static int uuid_search(struct btrfs_fs_devices *fs_devices, const char *search)
{
char uuidbuf[BTRFS_UUID_UNPARSED_SIZE];
- struct list_head *cur;
struct btrfs_device *device;
int search_len = strlen(search);
@@ -182,8 +181,7 @@ static int uuid_search(struct btrfs_fs_devices *fs_devices, const char *search)
if (!strncmp(uuidbuf, search, search_len))
return 1;
- list_for_each(cur, &fs_devices->devices) {
- device = list_entry(cur, struct btrfs_device, dev_list);
+ list_for_each_entry(device, &fs_devices->devices, dev_list) {
if ((device->label && strcmp(device->label, search) == 0) ||
strcmp(device->name, search) == 0)
return 1;
@@ -815,7 +813,7 @@ static const char * const cmd_filesystem_sync_usage[] = {
static int cmd_filesystem_sync(int argc, char **argv)
{
- int fd, res, e;
+ int fd, res;
char *path;
DIR *dirstream = NULL;
@@ -831,10 +829,9 @@ static int cmd_filesystem_sync(int argc, char **argv)
return 1;
res = ioctl(fd, BTRFS_IOC_SYNC);
- e = errno;
close_file_or_dir(fd, dirstream);
if( res < 0 ){
- error("sync ioctl failed on '%s': %s", path, strerror(e));
+ error("sync ioctl failed on '%s': %m", path);
return 1;
}
@@ -881,7 +878,6 @@ static int defrag_callback(const char *fpath, const struct stat *sb,
int typeflag, struct FTW *ftwbuf)
{
int ret = 0;
- int err = 0;
int fd = 0;
if ((typeflag == FTW_F) && S_ISREG(sb->st_mode)) {
@@ -889,7 +885,6 @@ static int defrag_callback(const char *fpath, const struct stat *sb,
printf("%s\n", fpath);
fd = open(fpath, O_RDWR);
if (fd < 0) {
- err = errno;
goto error;
}
ret = ioctl(fd, BTRFS_IOC_DEFRAG_RANGE, &defrag_global_range);
@@ -901,14 +896,13 @@ static int defrag_callback(const char *fpath, const struct stat *sb,
return ENOTTY;
}
if (ret) {
- err = errno;
goto error;
}
}
return 0;
error:
- error("defrag failed on %s: %s", fpath, strerror(err));
+ error("defrag failed on %s: %m", fpath);
defrag_global_errors++;
return 0;
}
@@ -1027,16 +1021,14 @@ static int cmd_filesystem_defrag(int argc, char **argv)
dirstream = NULL;
fd = open_file_or_dir(argv[i], &dirstream);
if (fd < 0) {
- error("cannot open %s: %s", argv[i],
- strerror(errno));
+ error("cannot open %s: %m", argv[i]);
ret = -errno;
goto next;
}
ret = fstat(fd, &st);
if (ret) {
- error("failed to stat %s: %s",
- argv[i], strerror(errno));
+ error("failed to stat %s: %m", argv[i]);
ret = -errno;
goto next;
}
@@ -1117,7 +1109,7 @@ static int cmd_filesystem_resize(int argc, char **argv)
res = stat(path, &st);
if (res < 0) {
- error("resize: cannot stat %s: %s", path, strerror(errno));
+ error("resize: cannot stat %s: %m", path);
return 1;
}
if (!S_ISDIR(st.st_mode)) {
@@ -1144,7 +1136,7 @@ static int cmd_filesystem_resize(int argc, char **argv)
path);
break;
default:
- error("unable to resize '%s': %s", path, strerror(e));
+ error("unable to resize '%s': %m", path);
break;
}
return 1;