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btrfs-progs: Use common unit parser for btrfs filesystem command

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Move to use get_unit_mode_from_arg() for cmds-filesystem.c,
to make "btrfs filesystem df/show/usage"'s unit argument same.

Also have cleanup effect: 19 insertions(+), 181 deletions(-)

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Zhao Lei 2015-09-01 15:12:06 +08:00 committed by David Sterba
parent 71d856ba3c
commit 665dc49ef6
2 changed files with 21 additions and 164 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
cmds-fi-usage.c
View File

@ -859,76 +859,30 @@ out:
const char * const cmd_filesystem_usage_usage[] = { const char * const cmd_filesystem_usage_usage[] = {
"btrfs filesystem usage [options] <path> [<path>..]", "btrfs filesystem usage [options] <path> [<path>..]",
"Show detailed information about internal filesystem usage .", "Show detailed information about internal filesystem usage .",
"-b|--raw raw numbers in bytes", HELPINFO_OUTPUT_UNIT_DF,
"-h|--human-readable",
" human friendly numbers, base 1024 (default)",
"-H human friendly numbers, base 1000",
"--iec use 1024 as a base (KiB, MiB, GiB, TiB)",
"--si use 1000 as a base (kB, MB, GB, TB)",
"-k|--kbytes show sizes in KiB, or kB with --si",
"-m|--mbytes show sizes in MiB, or MB with --si",
"-g|--gbytes show sizes in GiB, or GB with --si",
"-t|--tbytes show sizes in TiB, or TB with --si",
"-T show data in tabular format", "-T show data in tabular format",
NULL NULL
}; };
int cmd_filesystem_usage(int argc, char **argv) int cmd_filesystem_usage(int argc, char **argv)
{ {
unsigned unit_mode = UNITS_DEFAULT;
int ret = 0; int ret = 0;
int i, more_than_one = 0; unsigned unit_mode;
int tabular = 0; int i;
int more_than_one = 0;
int tabular = 0;
unit_mode = get_unit_mode_from_arg(&argc, argv, 1);
optind = 1; optind = 1;
while (1) { while (1) {
int c; int c;
static const struct option long_options[] = {
{ "raw", no_argument, NULL, 'b'},
{ "kbytes", no_argument, NULL, 'k'},
{ "mbytes", no_argument, NULL, 'm'},
{ "gbytes", no_argument, NULL, 'g'},
{ "tbytes", no_argument, NULL, 't'},
{ "si", no_argument, NULL, GETOPT_VAL_SI},
{ "iec", no_argument, NULL, GETOPT_VAL_IEC},
{ "human-readable", no_argument, NULL,
GETOPT_VAL_HUMAN_READABLE},
{ NULL, 0, NULL, 0 }
};
c = getopt_long(argc, argv, "bhHkmgtT", long_options, NULL);
c = getopt(argc, argv, "T");
if (c < 0) if (c < 0)
break; break;
switch (c) { switch (c) {
case 'b':
unit_mode = UNITS_RAW;
break;
case 'k':
units_set_base(&unit_mode, UNITS_KBYTES);
break;
case 'm':
units_set_base(&unit_mode, UNITS_MBYTES);
break;
case 'g':
units_set_base(&unit_mode, UNITS_GBYTES);
break;
case 't':
units_set_base(&unit_mode, UNITS_TBYTES);
break;
case GETOPT_VAL_HUMAN_READABLE:
case 'h':
unit_mode = UNITS_HUMAN_BINARY;
break;
case 'H':
unit_mode = UNITS_HUMAN_DECIMAL;
break;
case GETOPT_VAL_SI:
units_set_mode(&unit_mode, UNITS_DECIMAL);
break;
case GETOPT_VAL_IEC:
units_set_mode(&unit_mode, UNITS_BINARY);
break;
case 'T': case 'T':
tabular = 1; tabular = 1;
break; break;

121
cmds-filesystem.c
View File

@ -121,19 +121,10 @@ static const char * const filesystem_cmd_group_usage[] = {
}; };
static const char * const cmd_filesystem_df_usage[] = { static const char * const cmd_filesystem_df_usage[] = {
"btrfs filesystem df [options] <path>", "btrfs filesystem df [options] <path>",
"Show space usage information for a mount point", "Show space usage information for a mount point",
"-b|--raw raw numbers in bytes", HELPINFO_OUTPUT_UNIT_DF,
"-h|--human-readable", NULL
" human friendly numbers, base 1024 (default)",
"-H human friendly numbers, base 1000",
"--iec use 1024 as a base (KiB, MiB, GiB, TiB)",
"--si use 1000 as a base (kB, MB, GB, TB)",
"-k|--kbytes show sizes in KiB, or kB with --si",
"-m|--mbytes show sizes in MiB, or MB with --si",
"-g|--gbytes show sizes in GiB, or GB with --si",
"-t|--tbytes show sizes in TiB, or TB with --si",
NULL
}; };
static int get_df(int fd, struct btrfs_ioctl_space_args **sargs_ret) static int get_df(int fd, struct btrfs_ioctl_space_args **sargs_ret)
@ -205,64 +196,14 @@ static int cmd_filesystem_df(int argc, char **argv)
int fd; int fd;
char *path; char *path;
DIR *dirstream = NULL; DIR *dirstream = NULL;
unsigned unit_mode = UNITS_DEFAULT; unsigned unit_mode;
while (1) { unit_mode = get_unit_mode_from_arg(&argc, argv, 1);
int c;
static const struct option long_options[] = {
{ "raw", no_argument, NULL, 'b'},
{ "kbytes", no_argument, NULL, 'k'},
{ "mbytes", no_argument, NULL, 'm'},
{ "gbytes", no_argument, NULL, 'g'},
{ "tbytes", no_argument, NULL, 't'},
{ "si", no_argument, NULL, GETOPT_VAL_SI},
{ "iec", no_argument, NULL, GETOPT_VAL_IEC},
{ "human-readable", no_argument, NULL,
GETOPT_VAL_HUMAN_READABLE},
{ NULL, 0, NULL, 0 }
};
c = getopt_long(argc, argv, "bhHkmgt", long_options, NULL); if (argc != 2 || argv[1][0] == '-')
if (c < 0)
break;
switch (c) {
case 'b':
unit_mode = UNITS_RAW;
break;
case 'k':
units_set_base(&unit_mode, UNITS_KBYTES);
break;
case 'm':
units_set_base(&unit_mode, UNITS_MBYTES);
break;
case 'g':
units_set_base(&unit_mode, UNITS_GBYTES);
break;
case 't':
units_set_base(&unit_mode, UNITS_TBYTES);
break;
case GETOPT_VAL_HUMAN_READABLE:
case 'h':
unit_mode = UNITS_HUMAN_BINARY;
break;
case 'H':
unit_mode = UNITS_HUMAN_DECIMAL;
break;
case GETOPT_VAL_SI:
units_set_mode(&unit_mode, UNITS_DECIMAL);
break;
case GETOPT_VAL_IEC:
units_set_mode(&unit_mode, UNITS_BINARY);
break;
default:
usage(cmd_filesystem_df_usage);
}
}
if (check_argc_exact(argc, optind + 1))
usage(cmd_filesystem_df_usage); usage(cmd_filesystem_df_usage);
path = argv[optind]; path = argv[1];
fd = open_file_or_dir(path, &dirstream); fd = open_file_or_dir(path, &dirstream);
if (fd < 0) { if (fd < 0) {
@ -820,14 +761,7 @@ static const char * const cmd_filesystem_show_usage[] = {
"Show the structure of a filesystem", "Show the structure of a filesystem",
"-d|--all-devices show only disks under /dev containing btrfs filesystem", "-d|--all-devices show only disks under /dev containing btrfs filesystem",
"-m|--mounted show only mounted btrfs", "-m|--mounted show only mounted btrfs",
"--raw raw numbers in bytes", HELPINFO_OUTPUT_UNIT,
"--human-readable human friendly numbers, base 1024 (default)",
"--iec use 1024 as a base (KiB, MiB, GiB, TiB)",
"--si use 1000 as a base (kB, MB, GB, TB)",
"--kbytes show sizes in KiB, or kB with --si",
"--mbytes show sizes in MiB, or MB with --si",
"--gbytes show sizes in GiB, or GB with --si",
"--tbytes show sizes in TiB, or TB with --si",
"If no argument is given, structure of all present filesystems is shown.", "If no argument is given, structure of all present filesystems is shown.",
NULL NULL
}; };
@ -845,23 +779,16 @@ static int cmd_filesystem_show(int argc, char **argv)
char path[PATH_MAX]; char path[PATH_MAX];
__u8 fsid[BTRFS_FSID_SIZE]; __u8 fsid[BTRFS_FSID_SIZE];
char uuid_buf[BTRFS_UUID_UNPARSED_SIZE]; char uuid_buf[BTRFS_UUID_UNPARSED_SIZE];
unsigned unit_mode = UNITS_DEFAULT; unsigned unit_mode;
int found = 0; int found = 0;
unit_mode = get_unit_mode_from_arg(&argc, argv, 0);
while (1) { while (1) {
int c; int c;
static const struct option long_options[] = { static const struct option long_options[] = {
{ "all-devices", no_argument, NULL, 'd'}, { "all-devices", no_argument, NULL, 'd'},
{ "mounted", no_argument, NULL, 'm'}, { "mounted", no_argument, NULL, 'm'},
{ "raw", no_argument, NULL, GETOPT_VAL_RAW},
{ "kbytes", no_argument, NULL, GETOPT_VAL_KBYTES},
{ "mbytes", no_argument, NULL, GETOPT_VAL_MBYTES},
{ "gbytes", no_argument, NULL, GETOPT_VAL_GBYTES},
{ "tbytes", no_argument, NULL, GETOPT_VAL_TBYTES},
{ "si", no_argument, NULL, GETOPT_VAL_SI},
{ "iec", no_argument, NULL, GETOPT_VAL_IEC},
{ "human-readable", no_argument, NULL,
GETOPT_VAL_HUMAN_READABLE},
{ NULL, 0, NULL, 0 } { NULL, 0, NULL, 0 }
}; };
@ -875,30 +802,6 @@ static int cmd_filesystem_show(int argc, char **argv)
case 'm': case 'm':
where = BTRFS_SCAN_MOUNTED; where = BTRFS_SCAN_MOUNTED;
break; break;
case GETOPT_VAL_RAW:
units_set_mode(&unit_mode, UNITS_RAW);
break;
case GETOPT_VAL_KBYTES:
units_set_base(&unit_mode, UNITS_KBYTES);
break;
case GETOPT_VAL_MBYTES:
units_set_base(&unit_mode, UNITS_MBYTES);
break;
case GETOPT_VAL_GBYTES:
units_set_base(&unit_mode, UNITS_GBYTES);
break;
case GETOPT_VAL_TBYTES:
units_set_base(&unit_mode, UNITS_TBYTES);
break;
case GETOPT_VAL_SI:
units_set_mode(&unit_mode, UNITS_DECIMAL);
break;
case GETOPT_VAL_IEC:
units_set_mode(&unit_mode, UNITS_BINARY);
break;
case GETOPT_VAL_HUMAN_READABLE:
units_set_mode(&unit_mode, UNITS_HUMAN_BINARY);
break;
default: default:
usage(cmd_filesystem_show_usage); usage(cmd_filesystem_show_usage);
} }