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-rw-r--r--misc-utils/lsblk.c1421
1 files changed, 1421 insertions, 0 deletions
diff --git a/misc-utils/lsblk.c b/misc-utils/lsblk.c
new file mode 100644
index 0000000..2410de4
--- /dev/null
+++ b/misc-utils/lsblk.c
@@ -0,0 +1,1421 @@
+/*
+ * lsblk(8) - list block devices
+ *
+ * Copyright (C) 2010,2011 Red Hat, Inc. All rights reserved.
+ * Written by Milan Broz <mbroz@redhat.com>
+ * Karel Zak <kzak@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <inttypes.h>
+#include <stdarg.h>
+#include <locale.h>
+#include <pwd.h>
+#include <grp.h>
+#include <ctype.h>
+
+#include <blkid.h>
+#include <libmount.h>
+
+#ifdef HAVE_LIBUDEV
+#include <libudev.h>
+#endif
+
+#include <assert.h>
+
+#include "c.h"
+#include "pathnames.h"
+#include "blkdev.h"
+#include "canonicalize.h"
+#include "nls.h"
+#include "tt.h"
+#include "xalloc.h"
+#include "strutils.h"
+#include "at.h"
+#include "sysfs.h"
+#include "closestream.h"
+#include "mangle.h"
+#include "optutils.h"
+
+/* column IDs */
+enum {
+ COL_NAME = 0,
+ COL_KNAME,
+ COL_MAJMIN,
+ COL_FSTYPE,
+ COL_TARGET,
+ COL_LABEL,
+ COL_UUID,
+ COL_PARTLABEL,
+ COL_PARTUUID,
+ COL_RA,
+ COL_RO,
+ COL_RM,
+ COL_MODEL,
+ COL_SIZE,
+ COL_STATE,
+ COL_OWNER,
+ COL_GROUP,
+ COL_MODE,
+ COL_ALIOFF,
+ COL_MINIO,
+ COL_OPTIO,
+ COL_PHYSEC,
+ COL_LOGSEC,
+ COL_ROTA,
+ COL_SCHED,
+ COL_RQ_SIZE,
+ COL_TYPE,
+ COL_DALIGN,
+ COL_DGRAN,
+ COL_DMAX,
+ COL_DZERO,
+ COL_WWN,
+};
+
+/* column names */
+struct colinfo {
+ const char *name; /* header */
+ double whint; /* width hint (N < 1 is in percent of termwidth) */
+ int flags; /* TT_FL_* */
+ const char *help;
+};
+
+/* columns descriptions */
+static struct colinfo infos[] = {
+ [COL_NAME] = { "NAME", 0.25, TT_FL_TREE | TT_FL_NOEXTREMES, N_("device name") },
+ [COL_KNAME] = { "KNAME", 0.3, 0, N_("internal kernel device name") },
+ [COL_MAJMIN] = { "MAJ:MIN", 6, 0, N_("major:minor device number") },
+ [COL_FSTYPE] = { "FSTYPE", 0.1, TT_FL_TRUNC, N_("filesystem type") },
+ [COL_TARGET] = { "MOUNTPOINT", 0.10, TT_FL_TRUNC, N_("where the device is mounted") },
+ [COL_LABEL] = { "LABEL", 0.1, 0, N_("filesystem LABEL") },
+ [COL_UUID] = { "UUID", 36, 0, N_("filesystem UUID") },
+
+ [COL_PARTLABEL] = { "PARTLABEL", 0.1, 0, N_("partition LABEL") },
+ [COL_PARTUUID] = { "PARTUUID", 36, 0, N_("partition UUID") },
+
+ [COL_RA] = { "RA", 4, TT_FL_RIGHT, N_("read-ahead of the device") },
+ [COL_RO] = { "RO", 1, TT_FL_RIGHT, N_("read-only device") },
+ [COL_RM] = { "RM", 1, TT_FL_RIGHT, N_("removable device") },
+ [COL_ROTA] = { "ROTA", 1, TT_FL_RIGHT, N_("rotational device") },
+ [COL_MODEL] = { "MODEL", 0.1, TT_FL_TRUNC, N_("device identifier") },
+ [COL_SIZE] = { "SIZE", 5, TT_FL_RIGHT, N_("size of the device") },
+ [COL_STATE] = { "STATE", 7, TT_FL_TRUNC, N_("state of the device") },
+ [COL_OWNER] = { "OWNER", 0.1, TT_FL_TRUNC, N_("user name"), },
+ [COL_GROUP] = { "GROUP", 0.1, TT_FL_TRUNC, N_("group name") },
+ [COL_MODE] = { "MODE", 10, 0, N_("device node permissions") },
+ [COL_ALIOFF] = { "ALIGNMENT", 6, TT_FL_RIGHT, N_("alignment offset") },
+ [COL_MINIO] = { "MIN-IO", 6, TT_FL_RIGHT, N_("minimum I/O size") },
+ [COL_OPTIO] = { "OPT-IO", 6, TT_FL_RIGHT, N_("optimal I/O size") },
+ [COL_PHYSEC] = { "PHY-SEC", 7, TT_FL_RIGHT, N_("physical sector size") },
+ [COL_LOGSEC] = { "LOG-SEC", 7, TT_FL_RIGHT, N_("logical sector size") },
+ [COL_SCHED] = { "SCHED", 0.1, 0, N_("I/O scheduler name") },
+ [COL_RQ_SIZE]= { "RQ-SIZE", 5, TT_FL_RIGHT, N_("request queue size") },
+ [COL_TYPE] = { "TYPE", 4, 0, N_("device type") },
+ [COL_DALIGN] = { "DISC-ALN", 6, TT_FL_RIGHT, N_("discard alignment offset") },
+ [COL_DGRAN] = { "DISC-GRAN", 6, TT_FL_RIGHT, N_("discard granularity") },
+ [COL_DMAX] = { "DISC-MAX", 6, TT_FL_RIGHT, N_("discard max bytes") },
+ [COL_DZERO] = { "DISC-ZERO", 1, TT_FL_RIGHT, N_("discard zeroes data") },
+ [COL_WWN] = { "WWN", 18, 0, N_("unique storage identifier") },
+
+};
+
+struct lsblk {
+ struct tt *tt; /* output table */
+ unsigned int all_devices:1; /* print all devices, including empty */
+ unsigned int bytes:1; /* print SIZE in bytes */
+ unsigned int inverse:1; /* print inverse dependencies */
+ unsigned int nodeps:1; /* don't print slaves/holders */
+};
+
+struct lsblk *lsblk; /* global handler */
+
+#define NCOLS ARRAY_SIZE(infos)
+static int columns[NCOLS];/* enabled columns */
+static int ncolumns; /* number of enabled columns */
+
+static int excludes[256];
+static size_t nexcludes;
+
+static int includes[256];
+static size_t nincludes;
+
+static struct libmnt_table *mtab, *swaps;
+static struct libmnt_cache *mntcache;
+
+struct blkdev_cxt {
+ struct blkdev_cxt *parent;
+
+ struct tt_line *tt_line;
+ struct stat st;
+
+ char *name; /* kernel name in /sys/block */
+ char *dm_name; /* DM name (dm/block) */
+
+ char *filename; /* path to device node */
+
+ struct sysfs_cxt sysfs;
+
+ int partition; /* is partition? TRUE/FALSE */
+
+ int probed; /* already probed */
+ char *fstype; /* detected fs, NULL or "?" if cannot detect */
+ char *uuid; /* filesystem UUID (or stack uuid) */
+ char *label; /* filesystem label */
+ char *partuuid; /* partition UUID */
+ char *partlabel; /* partiton label */
+ char *wwn; /* storage WWN */
+
+ int npartitions; /* # of partitions this device has */
+ int nholders; /* # of devices mapped directly to this device
+ * /sys/block/.../holders */
+ int nslaves; /* # of devices this device maps to */
+ int maj, min; /* devno */
+ int discard; /* supports discard */
+
+ uint64_t size; /* device size */
+};
+
+static int is_maj_excluded(int maj)
+{
+ size_t i;
+
+ assert(ARRAY_SIZE(excludes) > nexcludes);
+
+ if (!nexcludes)
+ return 0; /* filter not enabled, device not exluded */
+
+ for (i = 0; i < nexcludes; i++)
+ if (excludes[i] == maj)
+ return 1;
+ return 0;
+}
+
+static int is_maj_included(int maj)
+{
+ size_t i;
+
+ assert(ARRAY_SIZE(includes) > nincludes);
+
+ if (!nincludes)
+ return 1; /* filter not enabled, device is included */
+
+ for (i = 0; i < nincludes; i++)
+ if (includes[i] == maj)
+ return 1;
+ return 0;
+}
+
+/* array with IDs of enabled columns */
+static int get_column_id(int num)
+{
+ assert(ARRAY_SIZE(columns) == NCOLS);
+ assert(num < ncolumns);
+ assert(columns[num] < (int) NCOLS);
+ return columns[num];
+}
+
+static struct colinfo *get_column_info(int num)
+{
+ return &infos[ get_column_id(num) ];
+}
+
+static int column_name_to_id(const char *name, size_t namesz)
+{
+ size_t i;
+
+ for (i = 0; i < NCOLS; i++) {
+ const char *cn = infos[i].name;
+
+ if (!strncasecmp(name, cn, namesz) && !*(cn + namesz))
+ return i;
+ }
+ warnx(_("unknown column: %s"), name);
+ return -1;
+}
+
+static void reset_blkdev_cxt(struct blkdev_cxt *cxt)
+{
+ if (!cxt)
+ return;
+ free(cxt->name);
+ free(cxt->dm_name);
+ free(cxt->filename);
+ free(cxt->fstype);
+ free(cxt->uuid);
+ free(cxt->label);
+ free(cxt->partuuid);
+ free(cxt->partlabel);
+ free(cxt->wwn);
+
+ sysfs_deinit(&cxt->sysfs);
+
+ memset(cxt, 0, sizeof(*cxt));
+}
+
+static int is_dm(const char *name)
+{
+ return strncmp(name, "dm-", 3) ? 0 : 1;
+}
+
+static struct dirent *xreaddir(DIR *dp)
+{
+ struct dirent *d;
+
+ assert(dp);
+
+ while ((d = readdir(dp))) {
+ if (!strcmp(d->d_name, ".") ||
+ !strcmp(d->d_name, ".."))
+ continue;
+
+ /* blacklist here? */
+ break;
+ }
+ return d;
+}
+
+static char *get_device_path(struct blkdev_cxt *cxt)
+{
+ char path[PATH_MAX];
+
+ assert(cxt);
+ assert(cxt->name);
+
+ if (is_dm(cxt->name))
+ return canonicalize_dm_name(cxt->name);
+
+ snprintf(path, sizeof(path), "/dev/%s", cxt->name);
+ return xstrdup(path);
+}
+
+static int is_active_swap(const char *filename)
+{
+ if (!swaps) {
+ swaps = mnt_new_table();
+ if (!swaps)
+ return 0;
+ if (!mntcache)
+ mntcache = mnt_new_cache();
+
+ mnt_table_set_cache(swaps, mntcache);
+ mnt_table_parse_swaps(swaps, NULL);
+ }
+
+ return mnt_table_find_srcpath(swaps, filename, MNT_ITER_BACKWARD) != 0;
+}
+
+static char *get_device_mountpoint(struct blkdev_cxt *cxt)
+{
+ struct libmnt_fs *fs;
+ const char *fsroot;
+
+ assert(cxt);
+ assert(cxt->filename);
+
+ if (!mtab) {
+ mtab = mnt_new_table();
+ if (!mtab)
+ return NULL;
+ if (!mntcache)
+ mntcache = mnt_new_cache();
+
+ mnt_table_set_cache(mtab, mntcache);
+ mnt_table_parse_mtab(mtab, NULL);
+ }
+
+ /* try /etc/mtab or /proc/self/mountinfo */
+ fs = mnt_table_find_srcpath(mtab, cxt->filename, MNT_ITER_BACKWARD);
+ if (!fs)
+ return is_active_swap(cxt->filename) ? xstrdup("[SWAP]") : NULL;
+
+ /* found */
+ fsroot = mnt_fs_get_root(fs);
+ if (fsroot && strcmp(fsroot, "/") != 0) {
+ /* hmm.. we found bind mount or btrfs subvolume, let's try to
+ * get real FS root mountpoint */
+ struct libmnt_fs *rfs;
+ struct libmnt_iter *itr = mnt_new_iter(MNT_ITER_BACKWARD);
+
+ mnt_table_set_iter(mtab, itr, fs);
+ while (mnt_table_next_fs(mtab, itr, &rfs) == 0) {
+ fsroot = mnt_fs_get_root(rfs);
+ if ((!fsroot || strcmp(fsroot, "/") == 0)
+ && mnt_fs_match_source(rfs, cxt->filename, mntcache)) {
+ fs = rfs;
+ break;
+ }
+ }
+ mnt_free_iter(itr);
+ }
+
+ return xstrdup(mnt_fs_get_target(fs));
+}
+
+#ifndef HAVE_LIBUDEV
+static int get_udev_properties(struct blkdev_cxt *cxt
+ __attribute__((__unused__)))
+{
+ return -1;
+}
+#else
+static int get_udev_properties(struct blkdev_cxt *cxt)
+{
+ struct udev *udev;
+ struct udev_device *dev;
+
+ if (cxt->probed)
+ return 0; /* already done */
+
+ udev = udev_new();
+ if (!udev)
+ return -1;
+
+ dev = udev_device_new_from_subsystem_sysname(udev, "block", cxt->name);
+ if (dev) {
+ const char *data;
+
+ if ((data = udev_device_get_property_value(dev, "ID_FS_LABEL_ENC"))) {
+ cxt->label = xstrdup(data);
+ unhexmangle_string(cxt->label);
+ }
+ if ((data = udev_device_get_property_value(dev, "ID_FS_UUID_ENC"))) {
+ cxt->uuid = xstrdup(data);
+ unhexmangle_string(cxt->uuid);
+ }
+ if ((data = udev_device_get_property_value(dev, "ID_PART_ENTRY_NAME"))) {
+ cxt->partlabel = xstrdup(data);
+ unhexmangle_string(cxt->partlabel);
+ }
+ if ((data = udev_device_get_property_value(dev, "ID_FS_TYPE")))
+ cxt->fstype = xstrdup(data);
+ if ((data = udev_device_get_property_value(dev, "ID_PART_ENTRY_UUID")))
+ cxt->partuuid = xstrdup(data);
+ if ((data = udev_device_get_property_value(dev, "ID_WWN")))
+ cxt->wwn = xstrdup(data);
+
+ udev_device_unref(dev);
+ cxt->probed = 1;
+ }
+
+ udev_unref(udev);
+
+ return cxt->probed == 1 ? 0 : -1;
+
+}
+#endif /* HAVE_LIBUDEV */
+
+static void probe_device(struct blkdev_cxt *cxt)
+{
+ blkid_probe pr = NULL;
+
+ if (cxt->probed)
+ return;
+
+ if (!cxt->size)
+ return;
+
+ /* try udev DB */
+ if (get_udev_properties(cxt) == 0)
+ return; /* success */
+
+ cxt->probed = 1;
+
+ /* try libblkid (fallback) */
+ if (getuid() != 0)
+ return; /* no permissions to read from the device */
+
+ pr = blkid_new_probe_from_filename(cxt->filename);
+ if (!pr)
+ return;
+
+ blkid_probe_enable_superblocks(pr, 1);
+ blkid_probe_set_superblocks_flags(pr, BLKID_SUBLKS_LABEL |
+ BLKID_SUBLKS_UUID |
+ BLKID_SUBLKS_TYPE);
+ blkid_probe_enable_partitions(pr, 1);
+ blkid_probe_set_partitions_flags(pr, BLKID_PARTS_ENTRY_DETAILS);
+
+ if (!blkid_do_safeprobe(pr)) {
+ const char *data = NULL;
+
+ if (!blkid_probe_lookup_value(pr, "TYPE", &data, NULL))
+ cxt->fstype = xstrdup(data);
+ if (!blkid_probe_lookup_value(pr, "UUID", &data, NULL))
+ cxt->uuid = xstrdup(data);
+ if (!blkid_probe_lookup_value(pr, "LABEL", &data, NULL))
+ cxt->label = xstrdup(data);
+ if (!blkid_probe_lookup_value(pr, "PART_ENTRY_UUID", &data, NULL))
+ cxt->partuuid = xstrdup(data);
+ if (!blkid_probe_lookup_value(pr, "PART_ENTRY_NAME", &data, NULL))
+ cxt->partlabel = xstrdup(data);
+
+ }
+
+ blkid_free_probe(pr);
+ return;
+}
+
+static int is_readonly_device(struct blkdev_cxt *cxt)
+{
+ int fd, ro = 0;
+
+ if (sysfs_scanf(&cxt->sysfs, "ro", "%d", &ro) == 1)
+ return ro;
+
+ /* fallback if "ro" attribute does not exist */
+ fd = open(cxt->filename, O_RDONLY);
+ if (fd != -1) {
+ if (ioctl(fd, BLKROGET, &ro) != 0)
+ ro = 0;
+ close(fd);
+ }
+ return ro;
+}
+
+static char *get_scheduler(struct blkdev_cxt *cxt)
+{
+ char *str = sysfs_strdup(&cxt->sysfs, "queue/scheduler");
+ char *p, *res = NULL;
+
+ if (!str)
+ return NULL;
+ p = strchr(str, '[');
+ if (p) {
+ res = p + 1;
+ p = strchr(res, ']');
+ if (p) {
+ *p = '\0';
+ res = xstrdup(res);
+ } else
+ res = NULL;
+ }
+ free(str);
+ return res;
+}
+
+static char *get_type(struct blkdev_cxt *cxt)
+{
+ char *res = NULL, *p;
+
+ if (is_dm(cxt->name)) {
+ char *dm_uuid = sysfs_strdup(&cxt->sysfs, "dm/uuid");
+
+ /* The DM_UUID prefix should be set to subsystem owning
+ * the device - LVM, CRYPT, DMRAID, MPATH, PART */
+ if (dm_uuid) {
+ char *tmp = dm_uuid;
+ char *dm_uuid_prefix = strsep(&tmp, "-");
+
+ if (dm_uuid_prefix) {
+ /* kpartx hack to remove partition number */
+ if (strncasecmp(dm_uuid_prefix, "part", 4) == 0)
+ dm_uuid_prefix[4] = '\0';
+
+ res = xstrdup(dm_uuid_prefix);
+ }
+ }
+
+ free(dm_uuid);
+ if (!res)
+ /* No UUID or no prefix - just mark it as DM device */
+ res = xstrdup("dm");
+
+ } else if (!strncmp(cxt->name, "loop", 4)) {
+ res = xstrdup("loop");
+
+ } else if (!strncmp(cxt->name, "md", 2)) {
+ char *md_level = sysfs_strdup(&cxt->sysfs, "md/level");
+ res = md_level ? md_level : xstrdup("md");
+
+ } else {
+ const char *type;
+ int x = 0;
+
+ sysfs_read_int(&cxt->sysfs, "device/type", &x);
+
+ type = blkdev_scsi_type_to_name(x);
+ if (!type)
+ type = cxt->partition ? "part" : "disk";
+ res = xstrdup(type);
+ }
+
+ for (p = res; p && *p; p++)
+ *p = tolower((unsigned char) *p);
+ return res;
+}
+
+#define is_parsable(_l) (((_l)->tt->flags & TT_FL_RAW) || \
+ ((_l)->tt->flags & TT_FL_EXPORT))
+
+static void set_tt_data(struct blkdev_cxt *cxt, int col, int id, struct tt_line *ln)
+{
+ char buf[1024];
+ char *p = NULL;
+ int st_rc = 0;
+
+ if (!cxt->st.st_rdev && (id == COL_OWNER || id == COL_GROUP ||
+ id == COL_MODE))
+ st_rc = stat(cxt->filename, &cxt->st);
+
+ switch(id) {
+ case COL_NAME:
+ if (cxt->dm_name) {
+ if (is_parsable(lsblk))
+ tt_line_set_data(ln, col, xstrdup(cxt->dm_name));
+ else {
+ snprintf(buf, sizeof(buf), "%s (%s)",
+ cxt->dm_name, cxt->name);
+ tt_line_set_data(ln, col, xstrdup(buf));
+ }
+ break;
+ }
+ case COL_KNAME:
+ tt_line_set_data(ln, col, xstrdup(cxt->name));
+ break;
+ case COL_OWNER:
+ {
+ struct passwd *pw = st_rc ? NULL : getpwuid(cxt->st.st_uid);
+ if (pw)
+ tt_line_set_data(ln, col, xstrdup(pw->pw_name));
+ break;
+ }
+ case COL_GROUP:
+ {
+ struct group *gr = st_rc ? NULL : getgrgid(cxt->st.st_gid);
+ if (gr)
+ tt_line_set_data(ln, col, xstrdup(gr->gr_name));
+ break;
+ }
+ case COL_MODE:
+ {
+ char md[11];
+
+ if (!st_rc) {
+ strmode(cxt->st.st_mode, md);
+ tt_line_set_data(ln, col, xstrdup(md));
+ }
+ break;
+ }
+ case COL_MAJMIN:
+ if (is_parsable(lsblk))
+ snprintf(buf, sizeof(buf), "%u:%u", cxt->maj, cxt->min);
+ else
+ snprintf(buf, sizeof(buf), "%3u:%-3u", cxt->maj, cxt->min);
+ tt_line_set_data(ln, col, xstrdup(buf));
+ break;
+ case COL_FSTYPE:
+ probe_device(cxt);
+ if (cxt->fstype)
+ tt_line_set_data(ln, col, xstrdup(cxt->fstype));
+ break;
+ case COL_TARGET:
+ if (!(cxt->nholders + cxt->npartitions)) {
+ if ((p = get_device_mountpoint(cxt)))
+ tt_line_set_data(ln, col, p);
+ }
+ break;
+ case COL_LABEL:
+ probe_device(cxt);
+ if (!cxt->label)
+ break;
+
+ tt_line_set_data(ln, col, xstrdup(cxt->label));
+ break;
+ case COL_UUID:
+ probe_device(cxt);
+ if (cxt->uuid)
+ tt_line_set_data(ln, col, xstrdup(cxt->uuid));
+ break;
+ case COL_PARTLABEL:
+ probe_device(cxt);
+ if (!cxt->partlabel)
+ break;
+
+ tt_line_set_data(ln, col, xstrdup(cxt->partlabel));
+ break;
+ case COL_PARTUUID:
+ probe_device(cxt);
+ if (cxt->uuid)
+ tt_line_set_data(ln, col, xstrdup(cxt->partuuid));
+ break;
+ case COL_WWN:
+ get_udev_properties(cxt);
+ if (cxt->wwn)
+ tt_line_set_data(ln, col, xstrdup(cxt->wwn));
+ break;
+ case COL_RA:
+ p = sysfs_strdup(&cxt->sysfs, "queue/read_ahead_kb");
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_RO:
+ tt_line_set_data(ln, col, is_readonly_device(cxt) ?
+ xstrdup("1") : xstrdup("0"));
+ break;
+ case COL_RM:
+ p = sysfs_strdup(&cxt->sysfs, "removable");
+ if (!p && cxt->sysfs.parent)
+ p = sysfs_strdup(cxt->sysfs.parent, "removable");
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_ROTA:
+ p = sysfs_strdup(&cxt->sysfs, "queue/rotational");
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_MODEL:
+ if (!cxt->partition && cxt->nslaves == 0) {
+ p = sysfs_strdup(&cxt->sysfs, "device/model");
+ if (p)
+ tt_line_set_data(ln, col, p);
+ }
+ break;
+ case COL_SIZE:
+ if (cxt->size) {
+ if (lsblk->bytes) {
+ if (xasprintf(&p, "%jd", cxt->size) < 0)
+ p = NULL;
+ } else
+ p = size_to_human_string(SIZE_SUFFIX_1LETTER, cxt->size);
+ if (p)
+ tt_line_set_data(ln, col, p);
+ }
+ break;
+ case COL_STATE:
+ if (!cxt->partition && !cxt->dm_name) {
+ p = sysfs_strdup(&cxt->sysfs, "device/state");
+ } else if (cxt->dm_name) {
+ int x = 0;
+ if (sysfs_read_int(&cxt->sysfs, "dm/suspended", &x) == 0)
+ p = x ? xstrdup("suspended") : xstrdup("running");
+ }
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_ALIOFF:
+ p = sysfs_strdup(&cxt->sysfs, "alignment_offset");
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_MINIO:
+ p = sysfs_strdup(&cxt->sysfs, "queue/minimum_io_size");
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_OPTIO:
+ p = sysfs_strdup(&cxt->sysfs, "queue/optimal_io_size");
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_PHYSEC:
+ p = sysfs_strdup(&cxt->sysfs, "queue/physical_block_size");
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_LOGSEC:
+ p = sysfs_strdup(&cxt->sysfs, "queue/logical_block_size");
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_SCHED:
+ p = get_scheduler(cxt);
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_RQ_SIZE:
+ p = sysfs_strdup(&cxt->sysfs, "queue/nr_requests");
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_TYPE:
+ p = get_type(cxt);
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_DALIGN:
+ p = sysfs_strdup(&cxt->sysfs, "discard_alignment");
+ if (cxt->discard && p)
+ tt_line_set_data(ln, col, p);
+ else
+ tt_line_set_data(ln, col, "0");
+ break;
+ case COL_DGRAN:
+ if (lsblk->bytes)
+ p = sysfs_strdup(&cxt->sysfs, "queue/discard_granularity");
+ else {
+ uint64_t x;
+
+ if (sysfs_read_u64(&cxt->sysfs,
+ "queue/discard_granularity", &x) == 0)
+ p = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
+ }
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_DMAX:
+ if (lsblk->bytes)
+ p = sysfs_strdup(&cxt->sysfs, "queue/discard_max_bytes");
+ else {
+ uint64_t x;
+
+ if (sysfs_read_u64(&cxt->sysfs,
+ "queue/discard_max_bytes", &x) == 0)
+ p = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
+ }
+ if (p)
+ tt_line_set_data(ln, col, p);
+ break;
+ case COL_DZERO:
+ p = sysfs_strdup(&cxt->sysfs, "queue/discard_zeroes_data");
+ if (cxt->discard && p)
+ tt_line_set_data(ln, col, p);
+ else
+ tt_line_set_data(ln, col, "0");
+ break;
+ };
+}
+
+static void print_device(struct blkdev_cxt *cxt, struct tt_line *tt_parent)
+{
+ int i;
+
+ cxt->tt_line = tt_add_line(lsblk->tt, tt_parent);
+
+ for (i = 0; i < ncolumns; i++)
+ set_tt_data(cxt, i, get_column_id(i), cxt->tt_line);
+}
+
+static int set_cxt(struct blkdev_cxt *cxt,
+ struct blkdev_cxt *parent,
+ struct blkdev_cxt *wholedisk,
+ const char *name)
+{
+ dev_t devno;
+
+ cxt->parent = parent;
+ cxt->name = xstrdup(name);
+ cxt->partition = wholedisk != NULL;
+
+ cxt->filename = get_device_path(cxt);
+ if (!cxt->filename) {
+ warnx(_("%s: failed to get device path"), name);
+ return -1;
+ }
+
+ devno = sysfs_devname_to_devno(name, wholedisk ? wholedisk->name : NULL);
+
+ if (!devno) {
+ warnx(_("%s: unknown device name"), name);
+ return -1;
+ }
+
+ if (lsblk->inverse) {
+ if (sysfs_init(&cxt->sysfs, devno, wholedisk ? &wholedisk->sysfs : NULL)) {
+ warnx(_("%s: failed to initialize sysfs handler"), name);
+ return -1;
+ }
+ if (parent)
+ parent->sysfs.parent = &cxt->sysfs;
+ } else {
+ if (sysfs_init(&cxt->sysfs, devno, parent ? &parent->sysfs : NULL)) {
+ warnx(_("%s: failed to initialize sysfs handler"), name);
+ return -1;
+ }
+ }
+
+ cxt->maj = major(devno);
+ cxt->min = minor(devno);
+ cxt->size = 0;
+
+ if (sysfs_read_u64(&cxt->sysfs, "size", &cxt->size) == 0) /* in sectors */
+ cxt->size <<= 9; /* in bytes */
+
+ sysfs_read_int(&cxt->sysfs, "queue/discard_granularity", &cxt->discard);
+
+ /* Ignore devices of zero size */
+ if (!lsblk->all_devices && cxt->size == 0)
+ return -1;
+
+ if (is_dm(name)) {
+ cxt->dm_name = sysfs_strdup(&cxt->sysfs, "dm/name");
+ if (!cxt->dm_name) {
+ warnx(_("%s: failed to get dm name"), name);
+ return -1;
+ }
+ }
+
+ cxt->npartitions = sysfs_count_partitions(&cxt->sysfs, name);
+ cxt->nholders = sysfs_count_dirents(&cxt->sysfs, "holders");
+ cxt->nslaves = sysfs_count_dirents(&cxt->sysfs, "slaves");
+
+ return 0;
+}
+
+static int process_blkdev(struct blkdev_cxt *cxt, struct blkdev_cxt *parent,
+ int do_partitions, const char *part_name);
+
+/*
+ * List device partitions if any.
+ */
+static int list_partitions(struct blkdev_cxt *wholedisk_cxt, struct blkdev_cxt *parent_cxt,
+ const char *part_name)
+{
+ DIR *dir;
+ struct dirent *d;
+ struct blkdev_cxt part_cxt = {};
+ int r = -1;
+
+ assert(wholedisk_cxt);
+
+ /*
+ * Do not process further if there are no partitions for
+ * this device or the device itself is a partition.
+ */
+ if (!wholedisk_cxt->npartitions || wholedisk_cxt->partition)
+ return -1;
+
+ dir = sysfs_opendir(&wholedisk_cxt->sysfs, NULL);
+ if (!dir)
+ err(EXIT_FAILURE, _("failed to open device directory in sysfs"));
+
+ while ((d = xreaddir(dir))) {
+ /* Process particular partition only? */
+ if (part_name && strcmp(part_name, d->d_name))
+ continue;
+
+ if (!(sysfs_is_partition_dirent(dir, d, wholedisk_cxt->name)))
+ continue;
+
+ if (lsblk->inverse) {
+ /*
+ * <parent_cxt>
+ * `-<part_cxt>
+ * `-<wholedisk_cxt>
+ * `-...
+ */
+ if (set_cxt(&part_cxt, parent_cxt, wholedisk_cxt, d->d_name))
+ goto next;
+
+ if (!parent_cxt && part_cxt.nholders)
+ goto next;
+
+ wholedisk_cxt->parent = &part_cxt;
+ print_device(&part_cxt, parent_cxt ? parent_cxt->tt_line : NULL);
+ if (!lsblk->nodeps)
+ process_blkdev(wholedisk_cxt, &part_cxt, 0, NULL);
+ } else {
+ /*
+ * <parent_cxt>
+ * `-<wholedisk_cxt>
+ * `-<part_cxt>
+ * `-...
+ */
+ if (set_cxt(&part_cxt, wholedisk_cxt, wholedisk_cxt, d->d_name))
+ goto next;
+ /* Print whole disk only once */
+ if (r)
+ print_device(wholedisk_cxt, parent_cxt ? parent_cxt->tt_line : NULL);
+ if (!lsblk->nodeps)
+ process_blkdev(&part_cxt, wholedisk_cxt, 0, NULL);
+ }
+ next:
+ reset_blkdev_cxt(&part_cxt);
+ r = 0;
+ }
+
+ closedir(dir);
+ return r;
+}
+
+static int get_wholedisk_from_partition_dirent(DIR *dir, const char *dirname,
+ struct dirent *d, struct blkdev_cxt *cxt)
+{
+ char path[PATH_MAX];
+ char *p;
+ int len;
+
+ if ((len = readlink_at(dirfd(dir), dirname,
+ d->d_name, path, sizeof(path))) < 0)
+ return 0;
+
+ path[len] = '\0';
+
+ /* The path ends with ".../<device>/<partition>" */
+ p = strrchr(path, '/');
+ if (!p)
+ return 0;
+ *p = '\0';
+
+ p = strrchr(path, '/');
+ if (!p)
+ return 0;
+ p++;
+
+ return set_cxt(cxt, NULL, NULL, p);
+}
+
+/*
+ * List device dependencies: partitions, holders (inverse = 0) or slaves (inverse = 1).
+ */
+static int list_deps(struct blkdev_cxt *cxt)
+{
+ DIR *dir;
+ struct dirent *d;
+ struct blkdev_cxt dep = {};
+ char dirname[PATH_MAX];
+ const char *depname;
+
+ assert(cxt);
+
+ if (lsblk->nodeps)
+ return 0;
+
+ if (!(lsblk->inverse ? cxt->nslaves : cxt->nholders))
+ return 0;
+
+ depname = lsblk->inverse ? "slaves" : "holders";
+ dir = sysfs_opendir(&cxt->sysfs, depname);
+ if (!dir)
+ return 0;
+
+ snprintf(dirname, sizeof(dirname), "%s/%s", cxt->sysfs.dir_path, depname);
+
+ while ((d = xreaddir(dir))) {
+ /* Is the dependency a partition? */
+ if (sysfs_is_partition_dirent(dir, d, NULL)) {
+ if (!get_wholedisk_from_partition_dirent(dir, dirname, d, &dep))
+ process_blkdev(&dep, cxt, 1, d->d_name);
+ }
+ /* The dependency is a whole device. */
+ else if (!set_cxt(&dep, cxt, NULL, d->d_name))
+ process_blkdev(&dep, cxt, 1, NULL);
+
+ reset_blkdev_cxt(&dep);
+ }
+ closedir(dir);
+
+ return 0;
+}
+
+static int process_blkdev(struct blkdev_cxt *cxt, struct blkdev_cxt *parent,
+ int do_partitions, const char *part_name)
+{
+ if (do_partitions && cxt->npartitions)
+ return list_partitions(cxt, parent, part_name);
+
+ print_device(cxt, parent ? parent->tt_line : NULL);
+ return list_deps(cxt);
+}
+
+/* Iterate devices in sysfs */
+static int iterate_block_devices(void)
+{
+ DIR *dir;
+ struct dirent *d;
+ struct blkdev_cxt cxt = {};
+
+ if (!(dir = opendir(_PATH_SYS_BLOCK)))
+ return EXIT_FAILURE;
+
+ while ((d = xreaddir(dir))) {
+ if (set_cxt(&cxt, NULL, NULL, d->d_name))
+ goto next;
+
+ if (is_maj_excluded(cxt.maj) || !is_maj_included(cxt.maj))
+ goto next;
+
+ /* Skip devices in the middle of dependency tree. */
+ if ((lsblk->inverse ? cxt.nholders : cxt.nslaves) > 0)
+ goto next;
+
+ process_blkdev(&cxt, NULL, 1, NULL);
+ next:
+ reset_blkdev_cxt(&cxt);
+ }
+
+ closedir(dir);
+
+ return EXIT_SUCCESS;
+}
+
+static int process_one_device(char *devname)
+{
+ struct blkdev_cxt parent = {}, cxt = {};
+ struct stat st;
+ char buf[PATH_MAX + 1], *diskname = NULL;
+ dev_t disk = 0;
+ int status = EXIT_FAILURE;
+
+ if (stat(devname, &st) || !S_ISBLK(st.st_mode)) {
+ warnx(_("%s: not a block device"), devname);
+ return EXIT_FAILURE;
+ }
+ if (blkid_devno_to_wholedisk(st.st_rdev, buf, sizeof(buf), &disk)) {
+ warn(_("%s: failed to get whole-disk device number"), devname);
+ return EXIT_FAILURE;
+ }
+ if (st.st_rdev == disk) {
+ /*
+ * Device is not a partition.
+ */
+ if (set_cxt(&cxt, NULL, NULL, buf))
+ goto leave;
+ process_blkdev(&cxt, NULL, !lsblk->inverse, NULL);
+ } else {
+ /*
+ * Partition, read sysfs name of the device.
+ */
+ ssize_t len;
+ char path[PATH_MAX], *name;
+
+ if (!sysfs_devno_path(st.st_rdev, path, sizeof(path))) {
+ warn(_("failed to compose sysfs path for %s"), devname);
+ goto leave;
+ }
+
+ diskname = xstrdup(buf);
+ len = readlink(path, buf, PATH_MAX);
+ if (len < 0) {
+ warn(_("%s: failed to read link"), path);
+ goto leave;
+ }
+ buf[len] = '\0';
+
+ /* sysfs device name */
+ name = strrchr(buf, '/') + 1;
+
+ if (set_cxt(&parent, NULL, NULL, diskname))
+ goto leave;
+ if (set_cxt(&cxt, &parent, &parent, name))
+ goto leave;
+
+ if (lsblk->inverse)
+ process_blkdev(&parent, &cxt, 1, cxt.name);
+ else
+ process_blkdev(&cxt, &parent, 1, NULL);
+ }
+
+ status = EXIT_SUCCESS;
+leave:
+ free(diskname);
+ reset_blkdev_cxt(&cxt);
+
+ if (st.st_rdev != disk)
+ reset_blkdev_cxt(&parent);
+
+ return status;
+}
+
+static void parse_excludes(const char *str0)
+{
+ const char *str = str0;
+
+ while (str && *str) {
+ char *end = NULL;
+ unsigned long n;
+
+ errno = 0;
+ n = strtoul(str, &end, 10);
+
+ if (end == str || (end && *end && *end != ','))
+ errx(EXIT_FAILURE, _("failed to parse list '%s'"), str0);
+ if (errno != 0 && (n == ULONG_MAX || n == 0))
+ err(EXIT_FAILURE, _("failed to parse list '%s'"), str0);
+ excludes[nexcludes++] = n;
+
+ if (nexcludes == ARRAY_SIZE(excludes))
+ /* TRANSLATORS: The standard value for %d is 256. */
+ errx(EXIT_FAILURE, _("the list of excluded devices is "
+ "too large (limit is %d devices)"),
+ (int)ARRAY_SIZE(excludes));
+
+ str = end && *end ? end + 1 : NULL;
+ }
+}
+
+static void parse_includes(const char *str0)
+{
+ const char *str = str0;
+
+ while (str && *str) {
+ char *end = NULL;
+ unsigned long n;
+
+ errno = 0;
+ n = strtoul(str, &end, 10);
+
+ if (end == str || (end && *end && *end != ','))
+ errx(EXIT_FAILURE, _("failed to parse list '%s'"), str0);
+ if (errno != 0 && (n == ULONG_MAX || n == 0))
+ err(EXIT_FAILURE, _("failed to parse list '%s'"), str0);
+ includes[nincludes++] = n;
+
+ if (nincludes == ARRAY_SIZE(includes))
+ /* TRANSLATORS: The standard value for %d is 256. */
+ errx(EXIT_FAILURE, _("the list of included devices is "
+ "too large (limit is %d devices)"),
+ (int)ARRAY_SIZE(includes));
+ str = end && *end ? end + 1 : NULL;
+ }
+}
+
+static void __attribute__((__noreturn__)) help(FILE *out)
+{
+ size_t i;
+
+ fprintf(out, _(
+ "\nUsage:\n"
+ " %s [options] [<device> ...]\n"), program_invocation_short_name);
+
+ fprintf(out, _(
+ "\nOptions:\n"
+ " -a, --all print all devices\n"
+ " -b, --bytes print SIZE in bytes rather than in human readable format\n"
+ " -d, --nodeps don't print slaves or holders\n"
+ " -D, --discard print discard capabilities\n"
+ " -e, --exclude <list> exclude devices by major number (default: RAM disks)\n"
+ " -I, --include <list> show only devices with specified major numbers\n"
+ " -f, --fs output info about filesystems\n"
+ " -h, --help usage information (this)\n"
+ " -i, --ascii use ascii characters only\n"
+ " -m, --perms output info about permissions\n"
+ " -l, --list use list format ouput\n"
+ " -n, --noheadings don't print headings\n"
+ " -o, --output <list> output columns\n"
+ " -P, --pairs use key=\"value\" output format\n"
+ " -r, --raw use raw output format\n"
+ " -s, --inverse inverse dependencies\n"
+ " -t, --topology output info about topology\n"
+ " -V, --version output version information and exit\n"));
+
+ fprintf(out, _("\nAvailable columns (for --output):\n"));
+
+ for (i = 0; i < NCOLS; i++)
+ fprintf(out, " %11s %s\n", infos[i].name, _(infos[i].help));
+
+ fprintf(out, USAGE_MAN_TAIL("lsblk(8)"));
+
+ exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
+}
+
+static void check_sysdevblock(void)
+{
+ if (access(_PATH_SYS_DEVBLOCK, R_OK) != 0)
+ err(EXIT_FAILURE, _("failed to access sysfs directory: %s"),
+ _PATH_SYS_DEVBLOCK);
+}
+
+int main(int argc, char *argv[])
+{
+ struct lsblk _ls;
+ int tt_flags = TT_FL_TREE;
+ int i, c, status = EXIT_FAILURE;
+ char *outarg = NULL;
+
+ static const struct option longopts[] = {
+ { "all", 0, 0, 'a' },
+ { "bytes", 0, 0, 'b' },
+ { "nodeps", 0, 0, 'd' },
+ { "discard", 0, 0, 'D' },
+ { "help", 0, 0, 'h' },
+ { "output", 1, 0, 'o' },
+ { "perms", 0, 0, 'm' },
+ { "noheadings", 0, 0, 'n' },
+ { "list", 0, 0, 'l' },
+ { "ascii", 0, 0, 'i' },
+ { "raw", 0, 0, 'r' },
+ { "inverse", 0, 0, 's' },
+ { "fs", 0, 0, 'f' },
+ { "exclude", 1, 0, 'e' },
+ { "include", 1, 0, 'I' },
+ { "topology", 0, 0, 't' },
+ { "pairs", 0, 0, 'P' },
+ { "version", 0, 0, 'V' },
+ { NULL, 0, 0, 0 },
+ };
+
+ static const ul_excl_t excl[] = { /* rows and cols in in ASCII order */
+ { 'I','e' },
+ { 'P','l','r' },
+ { 0 }
+ };
+ int excl_st[ARRAY_SIZE(excl)] = UL_EXCL_STATUS_INIT;
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+ atexit(close_stdout);
+
+ lsblk = &_ls;
+ memset(lsblk, 0, sizeof(*lsblk));
+
+ while((c = getopt_long(argc, argv,
+ "abdDe:fhlnmo:PiI:rstV", longopts, NULL)) != -1) {
+
+ err_exclusive_options(c, longopts, excl, excl_st);
+
+ switch(c) {
+ case 'a':
+ lsblk->all_devices = 1;
+ break;
+ case 'b':
+ lsblk->bytes = 1;
+ break;
+ case 'd':
+ lsblk->nodeps = 1;
+ break;
+ case 'D':
+ columns[ncolumns++] = COL_NAME;
+ columns[ncolumns++] = COL_DALIGN;
+ columns[ncolumns++] = COL_DGRAN;
+ columns[ncolumns++] = COL_DMAX;
+ columns[ncolumns++] = COL_DZERO;
+ break;
+ case 'e':
+ parse_excludes(optarg);
+ break;
+ case 'h':
+ help(stdout);
+ break;
+ case 'l':
+ tt_flags &= ~TT_FL_TREE; /* disable the default */
+ break;
+ case 'n':
+ tt_flags |= TT_FL_NOHEADINGS;
+ break;
+ case 'o':
+ outarg = optarg;
+ break;
+ case 'P':
+ tt_flags |= TT_FL_EXPORT;
+ tt_flags &= ~TT_FL_TREE; /* disable the default */
+ break;
+ case 'i':
+ tt_flags |= TT_FL_ASCII;
+ break;
+ case 'I':
+ parse_includes(optarg);
+ break;
+ case 'r':
+ tt_flags &= ~TT_FL_TREE; /* disable the default */
+ tt_flags |= TT_FL_RAW; /* enable raw */
+ break;
+ case 's':
+ lsblk->inverse = 1;
+ break;
+ case 'f':
+ columns[ncolumns++] = COL_NAME;
+ columns[ncolumns++] = COL_FSTYPE;
+ columns[ncolumns++] = COL_LABEL;
+ columns[ncolumns++] = COL_UUID;
+ columns[ncolumns++] = COL_TARGET;
+ break;
+ case 'm':
+ columns[ncolumns++] = COL_NAME;
+ columns[ncolumns++] = COL_SIZE;
+ columns[ncolumns++] = COL_OWNER;
+ columns[ncolumns++] = COL_GROUP;
+ columns[ncolumns++] = COL_MODE;
+ break;
+ case 't':
+ columns[ncolumns++] = COL_NAME;
+ columns[ncolumns++] = COL_ALIOFF;
+ columns[ncolumns++] = COL_MINIO;
+ columns[ncolumns++] = COL_OPTIO;
+ columns[ncolumns++] = COL_PHYSEC;
+ columns[ncolumns++] = COL_LOGSEC;
+ columns[ncolumns++] = COL_ROTA;
+ columns[ncolumns++] = COL_SCHED;
+ columns[ncolumns++] = COL_RQ_SIZE;
+ columns[ncolumns++] = COL_RA;
+ break;
+ case 'V':
+ printf(_("%s from %s\n"), program_invocation_short_name,
+ PACKAGE_STRING);
+ return EXIT_SUCCESS;
+ default:
+ help(stderr);
+ }
+ }
+
+ check_sysdevblock();
+
+ if (!ncolumns) {
+ columns[ncolumns++] = COL_NAME;
+ columns[ncolumns++] = COL_MAJMIN;
+ columns[ncolumns++] = COL_RM;
+ columns[ncolumns++] = COL_SIZE;
+ columns[ncolumns++] = COL_RO;
+ columns[ncolumns++] = COL_TYPE;
+ columns[ncolumns++] = COL_TARGET;
+ }
+
+ if (outarg && string_add_to_idarray(outarg, columns, ARRAY_SIZE(columns),
+ &ncolumns, column_name_to_id) < 0)
+ return EXIT_FAILURE;
+
+ if (nexcludes == 0 && nincludes == 0)
+ excludes[nexcludes++] = 1; /* default: ignore RAM disks */
+
+ mnt_init_debug(0);
+
+ /*
+ * initialize output columns
+ */
+ if (!(lsblk->tt = tt_new_table(tt_flags)))
+ errx(EXIT_FAILURE, _("failed to initialize output table"));
+
+ for (i = 0; i < ncolumns; i++) {
+ struct colinfo *ci = get_column_info(i);
+ int fl = ci->flags;
+
+ if (!(tt_flags & TT_FL_TREE) && get_column_id(i) == COL_NAME)
+ fl &= ~TT_FL_TREE;
+
+ if (!tt_define_column(lsblk->tt, ci->name, ci->whint, fl)) {
+ warn(_("failed to initialize output column"));
+ goto leave;
+ }
+ }
+
+ if (optind == argc)
+ status = iterate_block_devices();
+ else while (optind < argc)
+ status = process_one_device(argv[optind++]);
+
+ tt_print_table(lsblk->tt);
+
+leave:
+ tt_free_table(lsblk->tt);
+ mnt_free_table(mtab);
+ mnt_free_table(swaps);
+ mnt_free_cache(mntcache);
+ return status;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-05 11:59:51 +0000