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| author | Karel Zak <kzak@redhat.com> | 2022-01-12 16:06:59 +0100 |
|---|---|---|
| committer | Karel Zak <kzak@redhat.com> | 2022-01-12 16:06:59 +0100 |
| commit | 554e866b94fc9965fef089cf480abea474dc9e34 (patch) | |
| tree | 20236029bcc1a4962b9fd96c9c8765b6010797f8 /misc-utils/lsblk.c | |
| parent | 9cd4666951672ddbd173cfaf3251aef61df49b14 (diff) | |
| download | util-linux-554e866b94fc9965fef089cf480abea474dc9e34.tar.gz | |
lsblk: add --noempty
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'misc-utils/lsblk.c')
| -rw-r--r-- | misc-utils/lsblk.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/misc-utils/lsblk.c b/misc-utils/lsblk.c index b4696f5ec5..21ea1af07e 100644 --- a/misc-utils/lsblk.c +++ b/misc-utils/lsblk.c @@ -1244,6 +1244,9 @@ static int ignore_empty(struct lsblk_device *dev) if (dev->size) return 0; + if (lsblk->noempty && dev->size == 0) + return 1; + /* ignore empty loop devices without backing file */ if (dev->maj == LOOPDEV_MAJOR && !loopdev_has_backing_file(dev->filename)) @@ -1903,6 +1906,7 @@ static void __attribute__((__noreturn__)) usage(void) fputs(_(" -P, --pairs use key=\"value\" output format\n"), out); fputs(_(" -S, --scsi output info about SCSI devices\n"), out); fputs(_(" -T, --tree[=<column>] use tree format output\n"), out); + fputs(_(" -A, --noempty don't print empty devices\n"), out); fputs(_(" -a, --all print all devices\n"), out); fputs(_(" -b, --bytes print SIZE in bytes rather than in human readable format\n"), out); fputs(_(" -d, --nodeps don't print slaves or holders\n"), out); @@ -1965,6 +1969,7 @@ int main(int argc, char *argv[]) { "all", no_argument, NULL, 'a' }, { "bytes", no_argument, NULL, 'b' }, { "nodeps", no_argument, NULL, 'd' }, + { "noempty", no_argument, NULL, 'A' }, { "discard", no_argument, NULL, 'D' }, { "dedup", required_argument, NULL, 'E' }, { "zoned", no_argument, NULL, 'z' }, @@ -2018,11 +2023,15 @@ int main(int argc, char *argv[]) lsblk_init_debug(); while((c = getopt_long(argc, argv, - "abdDzE:e:fhJlnMmo:OpPiI:rstVST::w:x:", longopts, NULL)) != -1) { + "AabdDzE:e:fhJlnMmo:OpPiI:rstVST::w:x:", + longopts, NULL)) != -1) { err_exclusive_options(c, longopts, excl, excl_st); switch(c) { + case 'A': + lsblk->noempty = 1; + break; case 'a': lsblk->all_devices = 1; break; |