diff options
author | Zhao Lei <zhaolei@cn.fujitsu.com> | 2015-09-01 15:12:06 +0800 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2015-09-01 14:02:48 +0200 |
commit | 665dc49ef6eee19cc5d31270d13531e9b248424a (patch) | |
tree | 23a6ecfa49e51b06d9468411302a6196afb997f1 /cmds-filesystem.c | |
parent | 71d856ba3c325151472ae2460a302d65e37bd012 (diff) |
btrfs-progs: Use common unit parser for btrfs filesystem command
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>
Diffstat (limited to 'cmds-filesystem.c')
-rw-r--r-- | cmds-filesystem.c | 121 |
1 files changed, 12 insertions, 109 deletions
diff --git a/cmds-filesystem.c b/cmds-filesystem.c index fa555b07..8822695e 100644 --- a/cmds-filesystem.c +++ b/cmds-filesystem.c @@ -121,19 +121,10 @@ static const char * const filesystem_cmd_group_usage[] = { }; static const char * const cmd_filesystem_df_usage[] = { - "btrfs filesystem df [options] <path>", - "Show space usage information for a mount point", - "-b|--raw raw numbers in bytes", - "-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", - NULL + "btrfs filesystem df [options] <path>", + "Show space usage information for a mount point", + HELPINFO_OUTPUT_UNIT_DF, + NULL }; 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; char *path; DIR *dirstream = NULL; - unsigned unit_mode = UNITS_DEFAULT; + unsigned unit_mode; - while (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 (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); - } - } + unit_mode = get_unit_mode_from_arg(&argc, argv, 1); - if (check_argc_exact(argc, optind + 1)) + if (argc != 2 || argv[1][0] == '-') usage(cmd_filesystem_df_usage); - path = argv[optind]; + path = argv[1]; fd = open_file_or_dir(path, &dirstream); if (fd < 0) { @@ -820,14 +761,7 @@ static const char * const cmd_filesystem_show_usage[] = { "Show the structure of a filesystem", "-d|--all-devices show only disks under /dev containing btrfs filesystem", "-m|--mounted show only mounted btrfs", - "--raw raw numbers in bytes", - "--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", + HELPINFO_OUTPUT_UNIT, "If no argument is given, structure of all present filesystems is shown.", NULL }; @@ -845,23 +779,16 @@ static int cmd_filesystem_show(int argc, char **argv) char path[PATH_MAX]; __u8 fsid[BTRFS_FSID_SIZE]; char uuid_buf[BTRFS_UUID_UNPARSED_SIZE]; - unsigned unit_mode = UNITS_DEFAULT; + unsigned unit_mode; int found = 0; + unit_mode = get_unit_mode_from_arg(&argc, argv, 0); + while (1) { int c; static const struct option long_options[] = { { "all-devices", no_argument, NULL, 'd'}, { "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 } }; @@ -875,30 +802,6 @@ static int cmd_filesystem_show(int argc, char **argv) case 'm': where = BTRFS_SCAN_MOUNTED; 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: usage(cmd_filesystem_show_usage); } |