* lsblk(8) - list block devices
*
* Copyright (C) 2010-2018 Red Hat, Inc. All rights reserved.
- * Written by Milan Broz <mbroz@redhat.com>
+ * Written by Milan Broz <gmazyland@gmail.com>
* Karel Zak <kzak@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
#include "sysfs.h"
#include "closestream.h"
#include "optutils.h"
+#include "fileutils.h"
+#include "loopdev.h"
+#include "buffer.h"
#include "lsblk.h"
/* column IDs */
enum {
- COL_NAME = 0,
- COL_KNAME,
- COL_PATH,
- COL_MAJMIN,
+ COL_ALIOFF = 0,
+ COL_IDLINK,
+ COL_ID,
+ COL_DALIGN,
+ COL_DAX,
+ COL_DGRAN,
+ COL_DISKSEQ,
+ COL_DMAX,
+ COL_DZERO,
COL_FSAVAIL,
+ COL_FSROOTS,
COL_FSSIZE,
COL_FSTYPE,
COL_FSUSED,
COL_FSUSEPERC,
- COL_TARGET,
+ COL_FSVERSION,
+ COL_GROUP,
+ COL_HCTL,
+ COL_HOTPLUG,
+ COL_KNAME,
COL_LABEL,
- COL_UUID,
- COL_PTUUID,
- COL_PTTYPE,
- COL_PARTTYPE,
+ COL_LOGSEC,
+ COL_MAJMIN,
+ COL_MINIO,
+ COL_MODE,
+ COL_MODEL,
+ COL_MQ,
+ COL_NAME,
+ COL_OPTIO,
+ COL_OWNER,
+ COL_PARTFLAGS,
COL_PARTLABEL,
+ COL_PARTN,
+ COL_PARTTYPE,
+ COL_PARTTYPENAME,
COL_PARTUUID,
- COL_PARTFLAGS,
+ COL_PATH,
+ COL_PHYSEC,
+ COL_PKNAME,
+ COL_PTTYPE,
+ COL_PTUUID,
COL_RA,
- COL_RO,
+ COL_RAND,
+ COL_REV,
COL_RM,
- COL_HOTPLUG,
- COL_MODEL,
+ COL_RO,
+ COL_ROTA,
+ COL_RQ_SIZE,
+ COL_SCHED,
COL_SERIAL,
COL_SIZE,
+ COL_START,
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_SUBSYS,
+ COL_TARGET,
+ COL_TARGETS,
+ COL_TRANSPORT,
COL_TYPE,
- COL_DALIGN,
- COL_DGRAN,
- COL_DMAX,
- COL_DZERO,
+ COL_UUID,
+ COL_VENDOR,
COL_WSAME,
COL_WWN,
- COL_RAND,
- COL_PKNAME,
- COL_HCTL,
- COL_TRANSPORT,
- COL_SUBSYS,
- COL_REV,
- COL_VENDOR,
COL_ZONED,
+ COL_ZONE_SZ,
+ COL_ZONE_WGRAN,
+ COL_ZONE_APP,
+ COL_ZONE_NR,
+ COL_ZONE_OMAX,
+ COL_ZONE_AMAX,
};
/* basic table settings */
LSBLK_EXPORT = (1 << 3),
LSBLK_TREE = (1 << 4),
LSBLK_JSON = (1 << 5),
+ LSBLK_SHELLVAR = (1 << 6)
};
/* Types used for qsort() and JSON */
const char *name; /* header */
double whint; /* width hint (N < 1 is in percent of termwidth) */
int flags; /* SCOLS_FL_* */
- const char *help;
-
+ const char *help;
int type; /* COLTYPE_* */
};
/* columns descriptions */
static struct colinfo infos[] = {
- [COL_NAME] = { "NAME", 0.25, SCOLS_FL_TREE | SCOLS_FL_NOEXTREMES, N_("device name") },
- [COL_KNAME] = { "KNAME", 0.3, 0, N_("internal kernel device name") },
- [COL_PKNAME] = { "PKNAME", 0.3, 0, N_("internal parent kernel device name") },
- [COL_PATH] = { "PATH", 0.3, 0, N_("path to the device node") },
- [COL_MAJMIN] = { "MAJ:MIN", 6, 0, N_("major:minor device number"), COLTYPE_SORTNUM },
-
- [COL_FSAVAIL] = { "FSAVAIL", 5, SCOLS_FL_RIGHT, N_("filesystem size available") },
- [COL_FSSIZE] = { "FSSIZE", 5, SCOLS_FL_RIGHT, N_("filesystem size") },
- [COL_FSTYPE] = { "FSTYPE", 0.1, SCOLS_FL_TRUNC, N_("filesystem type") },
- [COL_FSUSED] = { "FSUSED", 5, SCOLS_FL_RIGHT, N_("filesystem size used") },
+ [COL_ALIOFF] = { "ALIGNMENT", 6, SCOLS_FL_RIGHT, N_("alignment offset"), COLTYPE_NUM },
+ [COL_ID] = { "ID", 0.1, SCOLS_FL_NOEXTREMES, N_("udev ID (based on ID-LINK)") },
+ [COL_IDLINK] = { "ID-LINK", 0.1, SCOLS_FL_NOEXTREMES, N_("the shortest udev /dev/disk/by-id link name") },
+ [COL_DALIGN] = { "DISC-ALN", 6, SCOLS_FL_RIGHT, N_("discard alignment offset"), COLTYPE_NUM },
+ [COL_DAX] = { "DAX", 1, SCOLS_FL_RIGHT, N_("dax-capable device"), COLTYPE_BOOL },
+ [COL_DGRAN] = { "DISC-GRAN", 6, SCOLS_FL_RIGHT, N_("discard granularity"), COLTYPE_SIZE },
+ [COL_DISKSEQ] = { "DISK-SEQ", 1, SCOLS_FL_RIGHT, N_("disk sequence number"), COLTYPE_NUM },
+ [COL_DMAX] = { "DISC-MAX", 6, SCOLS_FL_RIGHT, N_("discard max bytes"), COLTYPE_SIZE },
+ [COL_DZERO] = { "DISC-ZERO", 1, SCOLS_FL_RIGHT, N_("discard zeroes data"), COLTYPE_BOOL },
+ [COL_FSAVAIL] = { "FSAVAIL", 5, SCOLS_FL_RIGHT, N_("filesystem size available"), COLTYPE_SIZE },
+ [COL_FSROOTS] = { "FSROOTS", 0.1, SCOLS_FL_WRAP, N_("mounted filesystem roots") },
+ [COL_FSSIZE] = { "FSSIZE", 5, SCOLS_FL_RIGHT, N_("filesystem size"), COLTYPE_SIZE },
+ [COL_FSTYPE] = { "FSTYPE", 0.1, SCOLS_FL_TRUNC, N_("filesystem type") },
+ [COL_FSUSED] = { "FSUSED", 5, SCOLS_FL_RIGHT, N_("filesystem size used"), COLTYPE_SIZE },
[COL_FSUSEPERC] = { "FSUSE%", 3, SCOLS_FL_RIGHT, N_("filesystem use percentage") },
-
- [COL_TARGET] = { "MOUNTPOINT", 0.10, SCOLS_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_PTUUID] = { "PTUUID", 36, 0, N_("partition table identifier (usually UUID)") },
- [COL_PTTYPE] = { "PTTYPE", 0.1, 0, N_("partition table type") },
-
- [COL_PARTTYPE] = { "PARTTYPE", 36, 0, N_("partition type UUID") },
+ [COL_FSVERSION] = { "FSVER", 0.1, SCOLS_FL_TRUNC, N_("filesystem version") },
+ [COL_GROUP] = { "GROUP", 0.1, SCOLS_FL_TRUNC, N_("group name") },
+ [COL_HCTL] = { "HCTL", 10, 0, N_("Host:Channel:Target:Lun for SCSI") },
+ [COL_HOTPLUG] = { "HOTPLUG", 1, SCOLS_FL_RIGHT, N_("removable or hotplug device (usb, pcmcia, ...)"), COLTYPE_BOOL },
+ [COL_KNAME] = { "KNAME", 0.3, 0, N_("internal kernel device name") },
+ [COL_LABEL] = { "LABEL", 0.1, 0, N_("filesystem LABEL") },
+ [COL_LOGSEC] = { "LOG-SEC", 7, SCOLS_FL_RIGHT, N_("logical sector size"), COLTYPE_NUM },
+ [COL_MAJMIN] = { "MAJ:MIN", 6, 0, N_("major:minor device number"), COLTYPE_SORTNUM },
+ [COL_MINIO] = { "MIN-IO", 6, SCOLS_FL_RIGHT, N_("minimum I/O size"), COLTYPE_NUM },
+ [COL_MODEL] = { "MODEL", 0.1, SCOLS_FL_TRUNC, N_("device identifier") },
+ [COL_MODE] = { "MODE", 10, 0, N_("device node permissions") },
+ [COL_MQ] = { "MQ", 3, SCOLS_FL_RIGHT, N_("device queues") },
+ [COL_NAME] = { "NAME", 0.25, SCOLS_FL_NOEXTREMES, N_("device name") },
+ [COL_OPTIO] = { "OPT-IO", 6, SCOLS_FL_RIGHT, N_("optimal I/O size"), COLTYPE_NUM },
+ [COL_OWNER] = { "OWNER", 0.1, SCOLS_FL_TRUNC, N_("user name"), },
+ [COL_PARTFLAGS] = { "PARTFLAGS", 36, 0, N_("partition flags") },
[COL_PARTLABEL] = { "PARTLABEL", 0.1, 0, N_("partition LABEL") },
- [COL_PARTUUID] = { "PARTUUID", 36, 0, N_("partition UUID") },
- [COL_PARTFLAGS] = { "PARTFLAGS", 36, 0, N_("partition flags") },
-
- [COL_RA] = { "RA", 3, SCOLS_FL_RIGHT, N_("read-ahead of the device"), COLTYPE_NUM },
- [COL_RO] = { "RO", 1, SCOLS_FL_RIGHT, N_("read-only device"), COLTYPE_BOOL },
- [COL_RM] = { "RM", 1, SCOLS_FL_RIGHT, N_("removable device"), COLTYPE_BOOL },
- [COL_HOTPLUG]= { "HOTPLUG", 1, SCOLS_FL_RIGHT, N_("removable or hotplug device (usb, pcmcia, ...)"), COLTYPE_BOOL },
- [COL_ROTA] = { "ROTA", 1, SCOLS_FL_RIGHT, N_("rotational device"), COLTYPE_BOOL },
- [COL_RAND] = { "RAND", 1, SCOLS_FL_RIGHT, N_("adds randomness"), COLTYPE_BOOL },
- [COL_MODEL] = { "MODEL", 0.1, SCOLS_FL_TRUNC, N_("device identifier") },
- [COL_SERIAL] = { "SERIAL", 0.1, SCOLS_FL_TRUNC, N_("disk serial number") },
- [COL_SIZE] = { "SIZE", 5, SCOLS_FL_RIGHT, N_("size of the device"), COLTYPE_SIZE },
- [COL_STATE] = { "STATE", 7, SCOLS_FL_TRUNC, N_("state of the device") },
- [COL_OWNER] = { "OWNER", 0.1, SCOLS_FL_TRUNC, N_("user name"), },
- [COL_GROUP] = { "GROUP", 0.1, SCOLS_FL_TRUNC, N_("group name") },
- [COL_MODE] = { "MODE", 10, 0, N_("device node permissions") },
- [COL_ALIOFF] = { "ALIGNMENT", 6, SCOLS_FL_RIGHT, N_("alignment offset"), COLTYPE_NUM },
- [COL_MINIO] = { "MIN-IO", 6, SCOLS_FL_RIGHT, N_("minimum I/O size"), COLTYPE_NUM },
- [COL_OPTIO] = { "OPT-IO", 6, SCOLS_FL_RIGHT, N_("optimal I/O size"), COLTYPE_NUM },
+ [COL_PARTN] = { "PARTN", 2, SCOLS_FL_RIGHT, N_("partition number as read from the partition table"), COLTYPE_NUM },
+ [COL_PARTTYPENAME] = { "PARTTYPENAME", 0.1, 0, N_("partition type name") },
+ [COL_PARTTYPE] = { "PARTTYPE", 36, 0, N_("partition type code or UUID") },
+ [COL_PARTUUID] = { "PARTUUID", 36, 0, N_("partition UUID") },
+ [COL_PATH] = { "PATH", 0.3, 0, N_("path to the device node") },
[COL_PHYSEC] = { "PHY-SEC", 7, SCOLS_FL_RIGHT, N_("physical sector size"), COLTYPE_NUM },
- [COL_LOGSEC] = { "LOG-SEC", 7, SCOLS_FL_RIGHT, N_("logical sector size"), COLTYPE_NUM },
- [COL_SCHED] = { "SCHED", 0.1, 0, N_("I/O scheduler name") },
+ [COL_PKNAME] = { "PKNAME", 0.3, 0, N_("internal parent kernel device name") },
+ [COL_PTTYPE] = { "PTTYPE", 0.1, 0, N_("partition table type") },
+ [COL_PTUUID] = { "PTUUID", 36, 0, N_("partition table identifier (usually UUID)") },
+ [COL_RAND] = { "RAND", 1, SCOLS_FL_RIGHT, N_("adds randomness"), COLTYPE_BOOL },
+ [COL_RA] = { "RA", 3, SCOLS_FL_RIGHT, N_("read-ahead of the device"), COLTYPE_NUM },
+ [COL_REV] = { "REV", 4, SCOLS_FL_RIGHT, N_("device revision") },
+ [COL_RM] = { "RM", 1, SCOLS_FL_RIGHT, N_("removable device"), COLTYPE_BOOL },
+ [COL_ROTA] = { "ROTA", 1, SCOLS_FL_RIGHT, N_("rotational device"), COLTYPE_BOOL },
+ [COL_RO] = { "RO", 1, SCOLS_FL_RIGHT, N_("read-only device"), COLTYPE_BOOL },
[COL_RQ_SIZE]= { "RQ-SIZE", 5, SCOLS_FL_RIGHT, N_("request queue size"), COLTYPE_NUM },
- [COL_TYPE] = { "TYPE", 4, 0, N_("device type") },
- [COL_DALIGN] = { "DISC-ALN", 6, SCOLS_FL_RIGHT, N_("discard alignment offset"), COLTYPE_NUM },
- [COL_DGRAN] = { "DISC-GRAN", 6, SCOLS_FL_RIGHT, N_("discard granularity"), COLTYPE_SIZE },
- [COL_DMAX] = { "DISC-MAX", 6, SCOLS_FL_RIGHT, N_("discard max bytes"), COLTYPE_SIZE },
- [COL_DZERO] = { "DISC-ZERO", 1, SCOLS_FL_RIGHT, N_("discard zeroes data"), COLTYPE_BOOL },
- [COL_WSAME] = { "WSAME", 6, SCOLS_FL_RIGHT, N_("write same max bytes"), COLTYPE_SIZE },
- [COL_WWN] = { "WWN", 18, 0, N_("unique storage identifier") },
- [COL_HCTL] = { "HCTL", 10, 0, N_("Host:Channel:Target:Lun for SCSI") },
- [COL_TRANSPORT] = { "TRAN", 6, 0, N_("device transport type") },
+ [COL_SCHED] = { "SCHED", 0.1, 0, N_("I/O scheduler name") },
+ [COL_SERIAL] = { "SERIAL", 0.1, SCOLS_FL_TRUNC, N_("disk serial number") },
+ [COL_SIZE] = { "SIZE", 5, SCOLS_FL_RIGHT, N_("size of the device"), COLTYPE_SIZE },
+ [COL_START] = { "START", 5, SCOLS_FL_RIGHT, N_("partition start offset"), COLTYPE_NUM },
+ [COL_STATE] = { "STATE", 7, SCOLS_FL_TRUNC, N_("state of the device") },
[COL_SUBSYS] = { "SUBSYSTEMS", 0.1, SCOLS_FL_NOEXTREMES, N_("de-duplicated chain of subsystems") },
- [COL_REV] = { "REV", 4, SCOLS_FL_RIGHT, N_("device revision") },
+ [COL_TARGETS] = { "MOUNTPOINTS", 0.10, SCOLS_FL_WRAP | SCOLS_FL_NOEXTREMES, N_("all locations where device is mounted") },
+ [COL_TARGET] = { "MOUNTPOINT", 0.10, SCOLS_FL_TRUNC | SCOLS_FL_NOEXTREMES, N_("where the device is mounted") },
+ [COL_TRANSPORT] = { "TRAN", 6, 0, N_("device transport type") },
+ [COL_TYPE] = { "TYPE", 4, 0, N_("device type") },
+ [COL_UUID] = { "UUID", 36, 0, N_("filesystem UUID") },
[COL_VENDOR] = { "VENDOR", 0.1, SCOLS_FL_TRUNC, N_("device vendor") },
- [COL_ZONED] = { "ZONED", 0.3, 0, N_("zone model") },
+ [COL_WSAME] = { "WSAME", 6, SCOLS_FL_RIGHT, N_("write same max bytes"), COLTYPE_SIZE },
+ [COL_WWN] = { "WWN", 18, 0, N_("unique storage identifier") },
+ [COL_ZONED] = { "ZONED", 0.3, 0, N_("zone model") },
+ [COL_ZONE_SZ] = { "ZONE-SZ", 9, SCOLS_FL_RIGHT, N_("zone size"), COLTYPE_SIZE },
+ [COL_ZONE_WGRAN] = { "ZONE-WGRAN", 10, SCOLS_FL_RIGHT, N_("zone write granularity"), COLTYPE_SIZE },
+ [COL_ZONE_APP] = { "ZONE-APP", 11, SCOLS_FL_RIGHT, N_("zone append max bytes"), COLTYPE_SIZE },
+ [COL_ZONE_NR] = { "ZONE-NR", 8, SCOLS_FL_RIGHT, N_("number of zones"), COLTYPE_NUM },
+ [COL_ZONE_OMAX] = { "ZONE-OMAX", 10, SCOLS_FL_RIGHT, N_("maximum number of open zones"), COLTYPE_NUM },
+ [COL_ZONE_AMAX] = { "ZONE-AMAX", 10, SCOLS_FL_RIGHT, N_("maximum number of active zones"), COLTYPE_NUM },
};
struct lsblk *lsblk; /* global handler */
static int columns[ARRAY_SIZE(infos) * 2];
static size_t ncolumns;
-
static inline void add_column(int id)
{
if (ncolumns >= ARRAY_SIZE(columns))
return strncmp(name, "dm-", 3) ? 0 : 1;
}
-/* This is readdir()-like function, but skips "." and ".." directory entries */
-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;
-}
-
/* Returns full pat to the device node (TODO: what about sysfs_blkdev_get_path()) */
static char *get_device_path(struct lsblk_device *dev)
{
{
char *res = NULL, *p;
- if (cxt->partition)
+ if (device_is_partition(dev))
return xstrdup("part");
if (is_dm(dev->name)) {
}
/* Thanks to lsscsi code for idea of detection logic used here */
-static char *get_transport(struct lsblk_device *dev)
+static const char *get_transport(struct lsblk_device *dev)
{
struct path_cxt *sysfs = dev->sysfs;
char *attr = NULL;
trans = "ata";
free(attr);
- } else if (strncmp(dev->name, "nvme", 4) == 0)
+ } else if (strncmp(dev->name, "nvme", 4) == 0) {
trans = "nvme";
+ } else if (strncmp(dev->name, "vd", 2) == 0)
+ trans = "virtio";
- return trans ? xstrdup(trans) : NULL;
+ return trans;
}
static char *get_subsystems(struct lsblk_device *dev)
scols_cell_set_userdata(ce, data);
}
-static void set_sortdata_u64_from_string(struct libscols_line *ln, int col, const char *str)
+/* do not modify *data on any error */
+static void str2u64(const char *str, uint64_t *data)
{
- uint64_t x;
+ uintmax_t num;
+ char *end = NULL;
- if (!str || sscanf(str, "%"SCNu64, &x) != 1)
+ errno = 0;
+ if (str == NULL || *str == '\0')
return;
+ num = strtoumax(str, &end, 10);
- set_sortdata_u64(ln, col, x);
+ if (errno || str == end || (end && *end))
+ return;
+ *data = num;
}
static void unref_sortdata(struct libscols_table *tb)
{
char *sizestr;
uint64_t vfs_attr = 0;
- char *mnt;
if (!dev->fsstat.f_blocks) {
- mnt = lsblk_device_get_mountpoint(dev);
+ const char *mnt = lsblk_device_get_mountpoint(dev);
if (!mnt || dev->is_swap)
return NULL;
if (statvfs(mnt, &dev->fsstat) != 0)
static struct stat *device_get_stat(struct lsblk_device *dev)
{
- if (!dev->st.st_rdev)
- stat(dev->filename, &dev->st);
+ if (!dev->st.st_rdev
+ && stat(dev->filename, &dev->st) != 0)
+ return NULL;
return &dev->st;
}
if (!pc)
goto done;
+ /* dev is partition and parent is whole-disk */
if (pc == parent->sysfs)
- /* dev is partition and parent is whole-disk */
dev->removable = is_removable_device(parent, NULL);
- else
- /* parent is something else, use sysfs parent */
- ul_path_scanf(pc, "removable", "%d", &dev->removable);
- }
+ /* parent is something else, use sysfs parent */
+ else if (ul_path_scanf(pc, "removable", "%d", &dev->removable) != 1)
+ dev->removable = 0;
+ }
done:
if (dev->removable == -1)
dev->removable = 0;
return dev->removable;
}
+static uint64_t device_get_discard_granularity(struct lsblk_device *dev)
+{
+ if (dev->discard_granularity == (uint64_t) -1
+ && ul_path_read_u64(dev->sysfs, &dev->discard_granularity,
+ "queue/discard_granularity") != 0)
+ dev->discard_granularity = 0;
+
+ return dev->discard_granularity;
+}
+
+static void device_read_bytes(struct lsblk_device *dev, char *path, char **str,
+ uint64_t *sortdata)
+{
+ uint64_t x;
+
+ if (lsblk->bytes) {
+ ul_path_read_string(dev->sysfs, str, path);
+ if (sortdata)
+ str2u64(*str, sortdata);
+ return;
+ }
+
+ if (ul_path_read_u64(dev->sysfs, &x, path) == 0) {
+ *str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
+ if (sortdata)
+ *sortdata = x;
+ }
+}
+
+static void process_mq(struct lsblk_device *dev, char **str)
+{
+ unsigned int queues = 0;
+
+ DBG(DEV, ul_debugobj(dev, "%s: process mq", dev->name));
+
+ queues = ul_path_count_dirents(dev->sysfs, "mq");
+ if (!queues) {
+ *str = xstrdup("1");
+ DBG(DEV, ul_debugobj(dev, "%s: no mq supported, use a single queue", dev->name));
+ return;
+ }
+
+ DBG(DEV, ul_debugobj(dev, "%s: has %d queues", dev->name, queues));
+ xasprintf(str, "%3u", queues);
+}
+
/*
- * Generates data (string) for column specified by column ID for specified device
+ * Generates data (string) for column specified by column ID for specified device. If sortdata
+ * is not NULL then returns number usable to sort the column if the data are available for the
+ * column.
*/
-static void set_scols_data(
- struct lsblk_device *dev,
- struct lsblk_device *parent,
- int col,
- int id,
- struct libscols_line *ln)
+static char *device_get_data(
+ struct lsblk_device *dev, /* device */
+ struct lsblk_device *parent, /* device parent as defined in the tree */
+ int id, /* column ID (COL_*) */
+ uint64_t *sortdata) /* returns sort data as number */
{
- struct lsblk_devprop *prop;
- int sort = 0;
+ struct lsblk_devprop *prop = NULL;
char *str = NULL;
- if (lsblk->sort_id == id)
- sort = 1;
-
switch(id) {
case COL_NAME:
str = dev->dm_name ? mk_dm_name(dev->dm_name) : mk_name(dev->name);
str = xstrdup(dev->filename);
break;
case COL_OWNER:
- {
- struct stat *st = device_get_stat(dev);
- struct passwd *pw = st ? NULL : getpwuid(st->st_uid);
- if (pw)
- str = xstrdup(pw->pw_name);
+ if (lsblk->sysroot)
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->owner) {
+ str = xstrdup(prop->owner);
+ } else {
+ struct stat *st = device_get_stat(dev);
+ struct passwd *pw = st ? getpwuid(st->st_uid) : NULL;
+ if (pw)
+ str = xstrdup(pw->pw_name);
+ }
break;
- }
case COL_GROUP:
- {
- struct stat *st = device_get_stat(dev);
- struct group *gr = st ? NULL : getgrgid(st->st_gid);
- if (gr)
- str = xstrdup(gr->gr_name);
+ if (lsblk->sysroot)
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->group) {
+ str = xstrdup(prop->group);
+ } else {
+ struct stat *st = device_get_stat(dev);
+ struct group *gr = st ? getgrgid(st->st_gid) : NULL;
+ if (gr)
+ str = xstrdup(gr->gr_name);
+ }
break;
- }
case COL_MODE:
- {
- struct stat *st = device_get_stat(dev);
- char md[11] = { '\0' };
+ if (lsblk->sysroot)
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->mode) {
+ str = xstrdup(prop->mode);
+ } else {
+ struct stat *st = device_get_stat(dev);
+ char md[11] = { '\0' };
- if (st)
- str = xstrdup(xstrmode(st->st_mode, md));
+ if (st)
+ str = xstrdup(xstrmode(st->st_mode, md));
+ }
break;
- }
case COL_MAJMIN:
if (is_parsable(lsblk))
xasprintf(&str, "%u:%u", dev->maj, dev->min);
else
xasprintf(&str, "%3u:%-3u", dev->maj, dev->min);
- if (sort)
- set_sortdata_u64(ln, col, makedev(dev->maj, dev->min));
+ if (sortdata)
+ *sortdata = makedev(dev->maj, dev->min);
break;
case COL_FSTYPE:
prop = lsblk_device_get_properties(dev);
case COL_FSUSEPERC:
str = get_vfs_attribute(dev, id);
break;
+ case COL_FSVERSION:
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->fsversion)
+ str = xstrdup(prop->fsversion);
+ break;
case COL_TARGET:
- str = xstrdup(lsblk_device_get_mountpoint(dev));
+ {
+ const char *p = lsblk_device_get_mountpoint(dev);
+ if (p)
+ str = xstrdup(p);
+ break;
+ }
+ case COL_TARGETS:
+ {
+ size_t i, n = 0;
+ struct ul_buffer buf = UL_INIT_BUFFER;
+ struct libmnt_fs **fss = lsblk_device_get_filesystems(dev, &n);
+
+ for (i = 0; i < n; i++) {
+ struct libmnt_fs *fs = fss[i];
+ if (mnt_fs_is_swaparea(fs))
+ ul_buffer_append_string(&buf, "[SWAP]");
+ else
+ ul_buffer_append_string(&buf, mnt_fs_get_target(fs));
+ if (i + 1 < n)
+ ul_buffer_append_data(&buf, "\n", 1);
+ }
+ str = ul_buffer_get_data(&buf, NULL, NULL);
break;
+ }
+ case COL_FSROOTS:
+ {
+ size_t i, n = 0;
+ struct ul_buffer buf = UL_INIT_BUFFER;
+ struct libmnt_fs **fss = lsblk_device_get_filesystems(dev, &n);
+
+ for (i = 0; i < n; i++) {
+ struct libmnt_fs *fs = fss[i];
+ const char *root = mnt_fs_get_root(fs);
+ if (mnt_fs_is_swaparea(fs))
+ continue;
+ ul_buffer_append_string(&buf, root ? root : "/");
+ if (i + 1 < n)
+ ul_buffer_append_data(&buf, "\n", 1);
+ }
+ str = ul_buffer_get_data(&buf, NULL, NULL);
+ break;
+ }
case COL_LABEL:
prop = lsblk_device_get_properties(dev);
if (prop && prop->label)
if (prop && prop->parttype)
str = xstrdup(prop->parttype);
break;
+ case COL_PARTTYPENAME:
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->parttype && prop->pttype) {
+ const char *x = lsblk_parttype_code_to_string(
+ prop->parttype, prop->pttype);
+ if (x)
+ str = xstrdup(x);
+ }
+ break;
case COL_PARTLABEL:
prop = lsblk_device_get_properties(dev);
if (prop && prop->partlabel)
if (prop && prop->partflags)
str = xstrdup(prop->partflags);
break;
+ case COL_PARTN:
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->partn)
+ str = xstrdup(prop->partn);
+ break;
case COL_WWN:
prop = lsblk_device_get_properties(dev);
if (prop && prop->wwn)
str = xstrdup(prop->wwn);
break;
+ case COL_IDLINK:
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->idlink)
+ str = xstrdup(prop->idlink);
+ break;
+ case COL_ID:
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->idlink) {
+ /* skip bus/subsystem prefix */
+ const char *p = strchr(prop->idlink, '-');
+ str = p && *(p + 1) ? xstrdup(p+1) : xstrdup(prop->idlink);
+ }
+ break;
case COL_RA:
ul_path_read_string(dev->sysfs, &str, "queue/read_ahead_kb");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
+ if (sortdata)
+ str2u64(str, sortdata);
break;
case COL_RO:
str = xstrdup(is_readonly_device(dev) ? "1" : "0");
ul_path_read_string(dev->sysfs, &str, "queue/add_random");
break;
case COL_MODEL:
- if (!dev->partition && dev->nslaves == 0) {
+ if (!device_is_partition(dev) && dev->nslaves == 0) {
prop = lsblk_device_get_properties(dev);
if (prop && prop->model)
str = xstrdup(prop->model);
}
break;
case COL_SERIAL:
- if (!dev->partition && dev->nslaves == 0) {
+ if (!device_is_partition(dev) && dev->nslaves == 0) {
prop = lsblk_device_get_properties(dev);
if (prop && prop->serial)
str = xstrdup(prop->serial);
}
break;
case COL_REV:
- if (!dev->partition && dev->nslaves == 0)
- ul_path_read_string(dev->sysfs, &str, "device/rev");
+ if (!device_is_partition(dev) && dev->nslaves == 0) {
+ prop = lsblk_device_get_properties(dev);
+ if (prop && prop->revision)
+ str = xstrdup(prop->revision);
+ else
+ ul_path_read_string(dev->sysfs, &str, "device/rev");
+ }
break;
case COL_VENDOR:
- if (!dev->partition && dev->nslaves == 0)
+ if (!device_is_partition(dev) && dev->nslaves == 0)
ul_path_read_string(dev->sysfs, &str, "device/vendor");
break;
case COL_SIZE:
- if (!dev->size)
- break;
if (lsblk->bytes)
xasprintf(&str, "%ju", dev->size);
else
str = size_to_human_string(SIZE_SUFFIX_1LETTER, dev->size);
- if (sort)
- set_sortdata_u64(ln, col, dev->size);
+ if (sortdata)
+ *sortdata = dev->size;
+ break;
+ case COL_START:
+ ul_path_read_string(dev->sysfs, &str, "start");
+ if (sortdata)
+ str2u64(str, sortdata);
break;
case COL_STATE:
- if (!dev->partition && !dev->dm_name)
+ if (!device_is_partition(dev) && !dev->dm_name)
ul_path_read_string(dev->sysfs, &str, "device/state");
else if (dev->dm_name) {
int x = 0;
break;
case COL_ALIOFF:
ul_path_read_string(dev->sysfs, &str, "alignment_offset");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
+ if (sortdata)
+ str2u64(str, sortdata);
break;
case COL_MINIO:
ul_path_read_string(dev->sysfs, &str, "queue/minimum_io_size");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
+ if (sortdata)
+ str2u64(str, sortdata);
break;
case COL_OPTIO:
ul_path_read_string(dev->sysfs, &str, "queue/optimal_io_size");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
+ if (sortdata)
+ str2u64(str, sortdata);
break;
case COL_PHYSEC:
ul_path_read_string(dev->sysfs, &str, "queue/physical_block_size");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
+ if (sortdata)
+ str2u64(str, sortdata);
break;
case COL_LOGSEC:
ul_path_read_string(dev->sysfs, &str, "queue/logical_block_size");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
+ if (sortdata)
+ str2u64(str, sortdata);
break;
case COL_SCHED:
str = get_scheduler(dev);
break;
case COL_RQ_SIZE:
ul_path_read_string(dev->sysfs, &str, "queue/nr_requests");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
+ if (sortdata)
+ str2u64(str, sortdata);
break;
case COL_TYPE:
str = get_type(dev);
break;
}
case COL_TRANSPORT:
- str = get_transport(dev);
+ {
+ const char *trans = get_transport(dev);
+ if (trans)
+ str = xstrdup(trans);
break;
+ }
case COL_SUBSYS:
str = get_subsystems(dev);
break;
case COL_DALIGN:
- if (dev->discard)
+ if (device_get_discard_granularity(dev) > 0)
ul_path_read_string(dev->sysfs, &str, "discard_alignment");
if (!str)
str = xstrdup("0");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
+ if (sortdata)
+ str2u64(str, sortdata);
break;
case COL_DGRAN:
if (lsblk->bytes) {
ul_path_read_string(dev->sysfs, &str, "queue/discard_granularity");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
+ if (sortdata)
+ str2u64(str, sortdata);
} else {
- uint64_t x;
- if (ul_path_read_u64(dev->sysfs, &x, "queue/discard_granularity") == 0) {
- str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
- if (sort)
- set_sortdata_u64(ln, col, x);
- }
+ uint64_t x = device_get_discard_granularity(dev);
+ str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
+ if (sortdata)
+ *sortdata = x;
}
break;
case COL_DMAX:
- if (lsblk->bytes) {
- ul_path_read_string(dev->sysfs, &str, "queue/discard_max_bytes");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
- } else {
- uint64_t x;
- if (ul_path_read_u64(dev->sysfs, &x, "queue/discard_max_bytes") == 0) {
- str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
- if (sort)
- set_sortdata_u64(ln, col, x);
- }
- }
+ device_read_bytes(dev, "queue/discard_max_bytes", &str, sortdata);
break;
case COL_DZERO:
- if (dev->discard)
+ if (device_get_discard_granularity(dev) > 0)
ul_path_read_string(dev->sysfs, &str, "queue/discard_zeroes_data");
if (!str)
str = xstrdup("0");
break;
case COL_WSAME:
- if (lsblk->bytes) {
- ul_path_read_string(dev->sysfs, &str, "queue/write_same_max_bytes");
- if (sort)
- set_sortdata_u64_from_string(ln, col, str);
- } else {
- uint64_t x;
+ device_read_bytes(dev, "queue/write_same_max_bytes", &str, sortdata);
+ if (!str)
+ str = xstrdup("0");
+ break;
+ case COL_ZONED:
+ ul_path_read_string(dev->sysfs, &str, "queue/zoned");
+ break;
+ case COL_ZONE_SZ:
+ {
+ uint64_t x;
- if (ul_path_read_u64(dev->sysfs, &x, "queue/write_same_max_bytes") == 0) {
+ if (ul_path_read_u64(dev->sysfs, &x, "queue/chunk_sectors") == 0) {
+ x <<= 9;
+ if (lsblk->bytes)
+ xasprintf(&str, "%ju", x);
+ else
str = size_to_human_string(SIZE_SUFFIX_1LETTER, x);
- if (sort)
- set_sortdata_u64(ln, col, x);
- }
+ if (sortdata)
+ *sortdata = x;
}
+ break;
+ }
+ case COL_ZONE_WGRAN:
+ device_read_bytes(dev, "queue/zone_write_granularity", &str, sortdata);
+ break;
+ case COL_ZONE_APP:
+ device_read_bytes(dev, "queue/zone_append_max_bytes", &str, sortdata);
+ break;
+ case COL_ZONE_NR:
+ ul_path_read_string(dev->sysfs, &str, "queue/nr_zones");
+ if (sortdata)
+ str2u64(str, sortdata);
+ break;
+ case COL_ZONE_OMAX:
+ ul_path_read_string(dev->sysfs, &str, "queue/max_open_zones");
if (!str)
str = xstrdup("0");
+ if (sortdata)
+ str2u64(str, sortdata);
break;
- case COL_ZONED:
- ul_path_read_string(dev->sysfs, &str, "queue/zoned");
+ case COL_ZONE_AMAX:
+ ul_path_read_string(dev->sysfs, &str, "queue/max_active_zones");
+ if (!str)
+ str = xstrdup("0");
+ if (sortdata)
+ str2u64(str, sortdata);
+ break;
+ case COL_DAX:
+ ul_path_read_string(dev->sysfs, &str, "queue/dax");
+ break;
+ case COL_MQ:
+ process_mq(dev, &str);
+ break;
+ case COL_DISKSEQ:
+ ul_path_read_string(dev->sysfs, &str, "diskseq");
+ if (sortdata)
+ str2u64(str, sortdata);
break;
};
- if (str && scols_line_refer_data(ln, col, str))
- err(EXIT_FAILURE, _("failed to add output data"));
+ return str;
}
/*
* Adds data for all wanted columns about the device to the smartcols table
*/
-static void device_to_scols(struct lsblk_device *dev, struct lsblk_device *parent, struct libscols_table *tab)
+static void device_to_scols(
+ struct lsblk_device *dev,
+ struct lsblk_device *parent,
+ struct libscols_table *tab,
+ struct libscols_line *parent_line)
{
size_t i;
+ struct libscols_line *ln;
struct lsblk_iter itr;
struct lsblk_device *child = NULL;
+ int link_group = 0;
- ON_DBG(DEV, if (ul_path_isopen_dirfd(dev->sysfs)) ul_debugobj(dev, "%s ---> is open!", dev->name));
- dev->scols_line = scols_table_new_line(tab, parent ? parent->scols_line : NULL);
- if (!dev->scols_line)
+ DBG(DEV, ul_debugobj(dev, "add '%s' to scols", dev->name));
+ ON_DBG(DEV, if (ul_path_isopen_dirfd(dev->sysfs)) ul_debugobj(dev, " %s ---> is open!", dev->name));
+
+ if (!parent && dev->wholedisk)
+ parent = dev->wholedisk;
+
+ /* Do not print device more than once on --list if tree order is not requested */
+ if (!(lsblk->flags & LSBLK_TREE) && !lsblk->force_tree_order && dev->is_printed)
+ return;
+
+ if (lsblk->merge && list_count_entries(&dev->parents) > 1) {
+ if (!lsblk_device_is_last_parent(dev, parent))
+ return;
+ link_group = 1;
+ }
+
+ ln = scols_table_new_line(tab, link_group ? NULL : parent_line);
+ if (!ln)
err(EXIT_FAILURE, _("failed to allocate output line"));
- for (i = 0; i < ncolumns; i++)
- set_scols_data(dev, parent, i, get_column_id(i), dev->scols_line);
+ dev->is_printed = 1;
+
+ if (link_group) {
+ struct lsblk_device *p;
+ struct libscols_line *gr = parent_line;
+
+ /* Merge all my parents to the one group */
+ DBG(DEV, ul_debugobj(dev, " grouping parents [--merge]"));
+ lsblk_reset_iter(&itr, LSBLK_ITER_FORWARD);
+ while (lsblk_device_next_parent(dev, &itr, &p) == 0) {
+ if (!p->scols_line) {
+ DBG(DEV, ul_debugobj(dev, " *** ignore '%s' no scols line yet", p->name));
+ continue;
+ }
+ DBG(DEV, ul_debugobj(dev, " group '%s'", p->name));
+ scols_table_group_lines(tab, p->scols_line, gr, 0);
+ }
+
+ /* Link the group -- this makes group->child connection */
+ DBG(DEV, ul_debugobj(dev, " linking the group [--merge]"));
+ scols_line_link_group(ln, gr, 0);
+ }
+
+ /* read column specific data and set it to smartcols table line */
+ for (i = 0; i < ncolumns; i++) {
+ char *data;
+ int id = get_column_id(i);
+
+ if (lsblk->sort_id != id)
+ data = device_get_data(dev, parent, id, NULL);
+ else {
+ uint64_t sortdata = (uint64_t) -1;
+
+ data = device_get_data(dev, parent, id, &sortdata);
+ if (data && sortdata != (uint64_t) -1)
+ set_sortdata_u64(ln, i, sortdata);
+ }
+ DBG(DEV, ul_debugobj(dev, " refer data[%zu]=\"%s\"", i, data));
+ if (data && scols_line_refer_data(ln, i, data))
+ err(EXIT_FAILURE, _("failed to add output data"));
+ }
+
+ dev->scols_line = ln;
if (dev->npartitions == 0)
/* For partitions we often read from parental whole-disk sysfs,
ul_path_close_dirfd(dev->sysfs);
lsblk_reset_iter(&itr, LSBLK_ITER_FORWARD);
-
- while (lsblk_device_next_child(dev, &itr, &child) == 0)
- device_to_scols(child, dev, tab);
+ while (lsblk_device_next_child(dev, &itr, &child) == 0) {
+ DBG(DEV, ul_debugobj(dev, "%s -> continue to child", dev->name));
+ device_to_scols(child, dev, tab, ln);
+ DBG(DEV, ul_debugobj(dev, "%s <- child done", dev->name));
+ }
/* Let's be careful with number of open files */
ul_path_close_dirfd(dev->sysfs);
lsblk_reset_iter(&itr, LSBLK_ITER_FORWARD);
while (lsblk_devtree_next_root(tr, &itr, &dev) == 0)
- device_to_scols(dev, NULL, tab);
+ device_to_scols(dev, NULL, tab, NULL);
+}
+
+static int ignore_empty(struct lsblk_device *dev)
+{
+ /* show all non-empty devices */
+ 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))
+ return 1;
+
+ return 0;
}
/*
DBG(DEV, ul_debugobj(dev, "initialize %s [wholedisk=%p %s]",
name, wholedisk, wholedisk ? wholedisk->name : ""));
+ if (sysfs_devname_is_hidden(lsblk->sysroot, name)) {
+ DBG(DEV, ul_debugobj(dev, "%s: hidden, ignore", name));
+ return -1;
+ }
+
dev->name = xstrdup(name);
- dev->partition = wholedisk != NULL;
+
+ if (wholedisk) {
+ dev->wholedisk = wholedisk;
+ lsblk_ref_device(wholedisk);
+ }
dev->filename = get_device_path(dev);
if (!dev->filename) {
if (ul_path_read_u64(dev->sysfs, &dev->size, "size") == 0) /* in sectors */
dev->size <<= 9; /* in bytes */
- if (ul_path_read_s32(dev->sysfs, &dev->discard,
- "queue/discard_granularity") != 0)
- dev->discard = 0;
-
/* Ignore devices of zero size */
- if (!lsblk->all_devices && dev->size == 0) {
+ if (!lsblk->all_devices && ignore_empty(dev)) {
DBG(DEV, ul_debugobj(dev, "zero size device -- ignore"));
return -1;
}
return -1;
}
+ /* ignore non-NVMe devices */
+ if (lsblk->nvme) {
+ const char *transport = get_transport(dev);
+
+ if (!transport || strcmp(transport, "nvme")) {
+ DBG(DEV, ul_debugobj(dev, "non-nvme device -- ignore"));
+ return -1;
+ }
+ }
+
+ /* ignore non-virtio devices */
+ if (lsblk->virtio) {
+ const char *transport = get_transport(dev);
+
+ if (!transport || strcmp(transport, "virtio")) {
+ DBG(DEV, ul_debugobj(dev, "non-virtio device -- ignore"));
+ return -1;
+ }
+ }
+
DBG(DEV, ul_debugobj(dev, "%s: context successfully initialized", dev->name));
return 0;
}
struct lsblk_device *dev = lsblk_devtree_get_device(tr, name);
if (!dev) {
- dev = lsblk_new_device(tr);
+ dev = lsblk_new_device();
if (!dev)
err(EXIT_FAILURE, _("failed to allocate device"));
return dev;
}
+static struct lsblk_device *devtree_pktcdvd_get_dep(
+ struct lsblk_devtree *tr,
+ struct lsblk_device *dev,
+ int want_slave)
+{
+ char buf[PATH_MAX], *name;
+ dev_t devno;
+
+ devno = lsblk_devtree_pktcdvd_get_mate(tr,
+ makedev(dev->maj, dev->min), !want_slave);
+ if (!devno)
+ return NULL;
+
+ name = sysfs_devno_to_devname(devno, buf, sizeof(buf));
+ if (!name)
+ return NULL;
+
+ return devtree_get_device_or_new(tr, NULL, name);
+}
+
static int process_dependencies(
struct lsblk_devtree *tr,
struct lsblk_device *dev,
* Do not process further if there are no partitions for
* this device or the device itself is a partition.
*/
- if (!disk->npartitions || disk->partition)
+ if (!disk->npartitions || device_is_partition(disk))
return -EINVAL;
DBG(DEV, ul_debugobj(disk, "%s: probe whole-disk for partitions", disk->name));
DIR *dir;
struct dirent *d;
const char *depname;
+ struct lsblk_device *dep = NULL;
assert(dev);
+ if (lsblk->nodeps)
+ return 0;
+
/* read all or specified partition */
if (do_partitions && dev->npartitions)
process_partitions(tr, dev);
- if (lsblk->nodeps)
- return 0;
-
DBG(DEV, ul_debugobj(dev, "%s: reading dependencies", dev->name));
if (!(lsblk->inverse ? dev->nslaves : dev->nholders)) {
DBG(DEV, ul_debugobj(dev, " ignore (no slaves/holders)"));
- return 0;
+ goto done;
}
depname = lsblk->inverse ? "slaves" : "holders";
dir = ul_path_opendir(dev->sysfs, depname);
if (!dir) {
DBG(DEV, ul_debugobj(dev, " ignore (no slaves/holders directory)"));
- return 0;
+ goto done;
}
ul_path_close_dirfd(dev->sysfs);
DBG(DEV, ul_debugobj(dev, " %s: checking for '%s' dependence", dev->name, depname));
while ((d = xreaddir(dir))) {
- struct lsblk_device *dep = NULL;
struct lsblk_device *disk = NULL;
/* Is the dependency a partition? */
ul_path_close_dirfd(disk->sysfs);
}
closedir(dir);
+done:
+ dep = devtree_pktcdvd_get_dep(tr, dev, lsblk->inverse);
+
+ if (dep && lsblk_device_new_dependence(dev, dep) == 0) {
+ lsblk_devtree_remove_root(tr, dep);
+ process_dependencies(tr, dep, lsblk->inverse ? 0 : 1);
+ }
- DBG(DEV, ul_debugobj(dev, "%s: checking for '%s' -- done", dev->name, depname));
return 0;
}
char buf[PATH_MAX + 1], *name = NULL, *diskname = NULL;
int real_part = 0, rc = -EINVAL;
- if (devno == 0) {
+ if (devno == 0 && devname) {
struct stat st;
DBG(DEV, ul_debug("%s: reading alone device", devname));
goto leave;
}
devno = st.st_rdev;
- } else
+ } else if (devno) {
DBG(DEV, ul_debug("%d:%d: reading alone device", major(devno), minor(devno)));
+ } else {
+ assert(devno || devname);
+ return -EINVAL;
+ }
/* TODO: sysfs_devno_to_devname() internally initializes path_cxt, it
* would be better to use ul_new_sysfs_path() + sysfs_blkdev_get_name()
static int process_one_device(struct lsblk_devtree *tr, char *devname)
{
+ assert(devname);
return __process_one_device(tr, devname, 0);
}
if (is_maj_excluded(dev->maj) || !is_maj_included(dev->maj)) {
DBG(DEV, ul_debug(" %s: ignore (by filter)", d->d_name));
lsblk_devtree_remove_device(tr, dev);
+ dev = NULL;
goto next;
}
DBG(DEV, ul_debug(" %s: ignore (in-middle)", d->d_name));
goto next;
}
+
lsblk_devtree_add_root(tr, dev);
process_dependencies(tr, dev, 1);
next:
return *adata == *bdata ? 0 : *adata >= *bdata ? 1 : -1;
}
+static void device_set_dedupkey(
+ struct lsblk_device *dev,
+ struct lsblk_device *parent,
+ int id)
+{
+ struct lsblk_iter itr;
+ struct lsblk_device *child = NULL;
+
+ dev->dedupkey = device_get_data(dev, parent, id, NULL);
+ if (dev->dedupkey)
+ DBG(DEV, ul_debugobj(dev, "%s: de-duplication key: %s", dev->name, dev->dedupkey));
+
+ if (dev->npartitions == 0)
+ /* For partitions we often read from parental whole-disk sysfs,
+ * otherwise we can close */
+ ul_path_close_dirfd(dev->sysfs);
+
+ lsblk_reset_iter(&itr, LSBLK_ITER_FORWARD);
+
+ while (lsblk_device_next_child(dev, &itr, &child) == 0)
+ device_set_dedupkey(child, dev, id);
+
+ /* Let's be careful with number of open files */
+ ul_path_close_dirfd(dev->sysfs);
+}
+
+static void devtree_set_dedupkeys(struct lsblk_devtree *tr, int id)
+{
+ struct lsblk_iter itr;
+ struct lsblk_device *dev = NULL;
+
+ lsblk_reset_iter(&itr, LSBLK_ITER_FORWARD);
+
+ while (lsblk_devtree_next_root(tr, &itr, &dev) == 0)
+ device_set_dedupkey(dev, NULL, id);
+}
+
static void __attribute__((__noreturn__)) usage(void)
{
FILE *out = stdout;
fputs(_("List information about block devices.\n"), out);
fputs(USAGE_OPTIONS, out);
+ fputs(_(" -A, --noempty don't print empty devices\n"), out);
+ fputs(_(" -D, --discard print discard capabilities\n"), out);
+ fputs(_(" -E, --dedup <column> de-duplicate output by <column>\n"), out);
+ fputs(_(" -I, --include <list> show only devices with specified major numbers\n"), out);
+ fputs(_(" -J, --json use JSON output format\n"), out);
+ fputs(_(" -M, --merge group parents of sub-trees (usable for RAIDs, Multi-path)\n"), out);
+ fputs(_(" -O, --output-all output all columns\n"), out);
+ fputs(_(" -P, --pairs use key=\"value\" output format\n"), out);
+ fputs(_(" -S, --scsi output info about SCSI devices\n"), out);
+ fputs(_(" -N, --nvme output info about NVMe devices\n"), out);
+ fputs(_(" -v, --virtio output info about virtio devices\n"), out);
+ fputs(_(" -T, --tree[=<column>] use tree format output\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);
- fputs(_(" -D, --discard print discard capabilities\n"), out);
- fputs(_(" -z, --zoned print zone model\n"), out);
fputs(_(" -e, --exclude <list> exclude devices by major number (default: RAM disks)\n"), out);
fputs(_(" -f, --fs output info about filesystems\n"), out);
fputs(_(" -i, --ascii use ascii characters only\n"), out);
- fputs(_(" -I, --include <list> show only devices with specified major numbers\n"), out);
- fputs(_(" -J, --json use JSON output format\n"), out);
fputs(_(" -l, --list use list format output\n"), out);
- fputs(_(" -T, --tree use tree format output\n"), out);
fputs(_(" -m, --perms output info about permissions\n"), out);
fputs(_(" -n, --noheadings don't print headings\n"), out);
fputs(_(" -o, --output <list> output columns\n"), out);
- fputs(_(" -O, --output-all output all columns\n"), out);
fputs(_(" -p, --paths print complete device path\n"), out);
- fputs(_(" -P, --pairs use key=\"value\" output format\n"), out);
fputs(_(" -r, --raw use raw output format\n"), out);
fputs(_(" -s, --inverse inverse dependencies\n"), out);
- fputs(_(" -S, --scsi output info about SCSI devices\n"), out);
fputs(_(" -t, --topology output info about topology\n"), out);
+ fputs(_(" -w, --width <num> specifies output width as number of characters\n"), out);
fputs(_(" -x, --sort <column> sort output by <column>\n"), out);
+ fputs(_(" -y, --shell use column names to be usable as shell variable identifiers\n"), out);
+ fputs(_(" -z, --zoned print zone related information\n"), out);
fputs(_(" --sysroot <dir> use specified directory as system root\n"), out);
fputs(USAGE_SEPARATOR, out);
printf(USAGE_HELP_OPTIONS(22));
fprintf(out, USAGE_COLUMNS);
for (i = 0; i < ARRAY_SIZE(infos); i++)
- fprintf(out, " %11s %s\n", infos[i].name, _(infos[i].help));
+ fprintf(out, " %12s %s\n", infos[i].name, _(infos[i].help));
printf(USAGE_MAN_TAIL("lsblk(8)"));
int main(int argc, char *argv[])
{
- struct lsblk _ls = { .sort_id = -1, .flags = LSBLK_TREE };
+ struct lsblk _ls = {
+ .sort_id = -1,
+ .dedup_id = -1,
+ .flags = LSBLK_TREE,
+ .tree_id = COL_NAME
+ };
struct lsblk_devtree *tr = NULL;
int c, status = EXIT_FAILURE;
char *outarg = NULL;
size_t i;
- int force_tree = 0;
+ unsigned int width = 0;
+ int force_tree = 0, has_tree_col = 0;
enum {
OPT_SYSROOT = CHAR_MAX + 1
{ "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' },
{ "help", no_argument, NULL, 'h' },
{ "json", no_argument, NULL, 'J' },
{ "output", required_argument, NULL, 'o' },
{ "output-all", no_argument, NULL, 'O' },
+ { "merge", no_argument, NULL, 'M' },
{ "perms", no_argument, NULL, 'm' },
{ "noheadings", no_argument, NULL, 'n' },
{ "list", no_argument, NULL, 'l' },
{ "paths", no_argument, NULL, 'p' },
{ "pairs", no_argument, NULL, 'P' },
{ "scsi", no_argument, NULL, 'S' },
+ { "nvme", no_argument, NULL, 'N' },
+ { "virtio", no_argument, NULL, 'v' },
{ "sort", required_argument, NULL, 'x' },
{ "sysroot", required_argument, NULL, OPT_SYSROOT },
- { "tree", no_argument, NULL, 'T' },
+ { "shell", no_argument, NULL, 'y' },
+ { "tree", optional_argument, NULL, 'T' },
{ "version", no_argument, NULL, 'V' },
+ { "width", required_argument, NULL, 'w' },
{ NULL, 0, NULL, 0 },
};
{ 'O','S' },
{ 'O','f' },
{ 'O','m' },
+ { 'O','o' },
{ 'O','t' },
{ 'P','T', 'l','r' },
{ 0 }
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
- atexit(close_stdout);
+ close_stdout_atexit();
lsblk = &_ls;
lsblk_init_debug();
while((c = getopt_long(argc, argv,
- "abdDze:fhJlnmo:OpPiI:rstVSTx:", longopts, NULL)) != -1) {
+ "AabdDzE:e:fhJlNnMmo:OpPiI:rstVvST::w:x:y",
+ 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;
case 'z':
add_uniq_column(COL_NAME);
add_uniq_column(COL_ZONED);
+ add_uniq_column(COL_ZONE_SZ);
+ add_uniq_column(COL_ZONE_NR);
+ add_uniq_column(COL_ZONE_AMAX);
+ add_uniq_column(COL_ZONE_OMAX);
+ add_uniq_column(COL_ZONE_APP);
+ add_uniq_column(COL_ZONE_WGRAN);
break;
case 'e':
parse_excludes(optarg);
break;
- case 'h':
- usage();
- break;
case 'J':
lsblk->flags |= LSBLK_JSON;
break;
case 'l':
lsblk->flags &= ~LSBLK_TREE; /* disable the default */
break;
+ case 'M':
+ lsblk->merge = 1;
+ break;
case 'n':
lsblk->flags |= LSBLK_NOHEADINGS;
break;
lsblk->flags |= LSBLK_EXPORT;
lsblk->flags &= ~LSBLK_TREE; /* disable the default */
break;
+ case 'y':
+ lsblk->flags |= LSBLK_SHELLVAR;
+ break;
case 'i':
lsblk->flags |= LSBLK_ASCII;
break;
case 'f':
add_uniq_column(COL_NAME);
add_uniq_column(COL_FSTYPE);
+ add_uniq_column(COL_FSVERSION);
add_uniq_column(COL_LABEL);
add_uniq_column(COL_UUID);
add_uniq_column(COL_FSAVAIL);
add_uniq_column(COL_FSUSEPERC);
- add_uniq_column(COL_TARGET);
+ add_uniq_column(COL_TARGETS);
break;
case 'm':
add_uniq_column(COL_NAME);
add_uniq_column(COL_VENDOR);
add_uniq_column(COL_MODEL);
add_uniq_column(COL_REV);
+ add_uniq_column(COL_SERIAL);
add_uniq_column(COL_TRANSPORT);
break;
+ case 'N':
+ lsblk->nodeps = 1;
+ lsblk->nvme = 1;
+ add_uniq_column(COL_NAME);
+ add_uniq_column(COL_TYPE);
+ add_uniq_column(COL_MODEL);
+ add_uniq_column(COL_SERIAL);
+ add_uniq_column(COL_REV);
+ add_uniq_column(COL_TRANSPORT);
+ add_uniq_column(COL_RQ_SIZE);
+ add_uniq_column(COL_MQ);
+ break;
+ case 'v':
+ lsblk->nodeps = 1;
+ lsblk->virtio = 1;
+ add_uniq_column(COL_NAME);
+ add_uniq_column(COL_TYPE);
+ add_uniq_column(COL_TRANSPORT);
+ add_uniq_column(COL_SIZE);
+ add_uniq_column(COL_RQ_SIZE);
+ add_uniq_column(COL_MQ);
+ break;
case 'T':
force_tree = 1;
+ if (optarg) {
+ if (*optarg == '=')
+ optarg++;
+ lsblk->tree_id = column_name_to_id(optarg, strlen(optarg));
+ }
break;
-
case OPT_SYSROOT:
lsblk->sysroot = optarg;
break;
- case 'V':
- printf(UTIL_LINUX_VERSION);
- return EXIT_SUCCESS;
+ case 'E':
+ lsblk->dedup_id = column_name_to_id(optarg, strlen(optarg));
+ if (lsblk->dedup_id >= 0)
+ break;
+ errtryhelp(EXIT_FAILURE);
+ break;
+ case 'w':
+ width = strtou32_or_err(optarg, _("invalid output width number argument"));
+ break;
case 'x':
lsblk->flags &= ~LSBLK_TREE; /* disable the default */
lsblk->sort_id = column_name_to_id(optarg, strlen(optarg));
if (lsblk->sort_id >= 0)
break;
- /* fallthrough */
+ errtryhelp(EXIT_FAILURE);
+ break;
+
+ case 'h':
+ usage();
+ case 'V':
+ print_version(EXIT_SUCCESS);
default:
errtryhelp(EXIT_FAILURE);
}
add_column(COL_SIZE);
add_column(COL_RO);
add_column(COL_TYPE);
- add_column(COL_TARGET);
+ add_column(COL_TARGETS);
}
if (outarg && string_add_to_idarray(outarg, columns, ARRAY_SIZE(columns),
* /sys is no more sorted */
lsblk->sort_id = COL_MAJMIN;
- /* For --inverse --list we still follow parent->child relation */
- if (lsblk->inverse && !(lsblk->flags & LSBLK_TREE))
+ /* For --{inverse,raw,pairs} --list we still follow parent->child relation */
+ if (!(lsblk->flags & LSBLK_TREE)
+ && (lsblk->inverse || lsblk->flags & LSBLK_EXPORT || lsblk->flags & LSBLK_RAW))
lsblk->force_tree_order = 1;
if (lsblk->sort_id >= 0 && column_id_to_number(lsblk->sort_id) < 0) {
lsblk->sort_hidden = 1;
}
+ if (lsblk->dedup_id >= 0 && column_id_to_number(lsblk->dedup_id) < 0) {
+ /* the deduplication column is not between output columns -- add as hidden */
+ add_column(lsblk->dedup_id);
+ lsblk->dedup_hidden = 1;
+ }
+
lsblk_mnt_init();
scols_init_debug(0);
ul_path_init_debug();
errx(EXIT_FAILURE, _("failed to allocate output table"));
scols_table_enable_raw(lsblk->table, !!(lsblk->flags & LSBLK_RAW));
scols_table_enable_export(lsblk->table, !!(lsblk->flags & LSBLK_EXPORT));
+ scols_table_enable_shellvar(lsblk->table, !!(lsblk->flags & LSBLK_SHELLVAR));
scols_table_enable_ascii(lsblk->table, !!(lsblk->flags & LSBLK_ASCII));
scols_table_enable_json(lsblk->table, !!(lsblk->flags & LSBLK_JSON));
scols_table_enable_noheadings(lsblk->table, !!(lsblk->flags & LSBLK_NOHEADINGS));
if (lsblk->flags & LSBLK_JSON)
scols_table_set_name(lsblk->table, "blockdevices");
+ if (width) {
+ scols_table_set_termwidth(lsblk->table, width);
+ scols_table_set_termforce(lsblk->table, SCOLS_TERMFORCE_ALWAYS);
+ }
for (i = 0; i < ncolumns; i++) {
struct colinfo *ci = get_column_info(i);
struct libscols_column *cl;
int id = get_column_id(i), fl = ci->flags;
- if (!(lsblk->flags & LSBLK_TREE) && id == COL_NAME)
- fl &= ~SCOLS_FL_TREE;
+ if ((lsblk->flags & LSBLK_TREE)
+ && has_tree_col == 0
+ && id == lsblk->tree_id) {
+ fl |= SCOLS_FL_TREE;
+ fl &= ~SCOLS_FL_RIGHT;
+ has_tree_col = 1;
+ }
+
if (lsblk->sort_hidden && lsblk->sort_id == id)
fl |= SCOLS_FL_HIDDEN;
+ if (lsblk->dedup_hidden && lsblk->dedup_id == id)
+ fl |= SCOLS_FL_HIDDEN;
+
+ if (force_tree
+ && lsblk->flags & LSBLK_JSON
+ && has_tree_col == 0
+ && i + 1 == ncolumns)
+ /* The "--tree --json" specified, but no column with
+ * SCOLS_FL_TREE yet; force it for the last column
+ */
+ fl |= SCOLS_FL_TREE;
cl = scols_table_new_column(lsblk->table, ci->name, ci->whint, fl);
if (!cl) {
ci->type == COLTYPE_SORTNUM ? cmp_u64_cells : scols_cmpstr_cells,
NULL);
}
+ /* multi-line cells (now used for MOUNTPOINTS) */
+ if (fl & SCOLS_FL_WRAP) {
+ scols_column_set_wrapfunc(cl,
+ scols_wrapnl_chunksize,
+ scols_wrapnl_nextchunk,
+ NULL);
+ scols_column_set_safechars(cl, "\n");
+ }
+
if (lsblk->flags & LSBLK_JSON) {
switch (ci->type) {
case COLTYPE_SIZE:
break;
/* fallthrough */
case COLTYPE_NUM:
- scols_column_set_json_type(cl, SCOLS_JSON_NUMBER);
+ scols_column_set_json_type(cl, SCOLS_JSON_NUMBER);
break;
case COLTYPE_BOOL:
scols_column_set_json_type(cl, SCOLS_JSON_BOOLEAN);
break;
default:
- scols_column_set_json_type(cl, SCOLS_JSON_STRING);
+ if (fl & SCOLS_FL_WRAP)
+ scols_column_set_json_type(cl, SCOLS_JSON_ARRAY_STRING);
+ else
+ scols_column_set_json_type(cl, SCOLS_JSON_STRING);
break;
}
}
EXIT_SUCCESS; /* all success */
}
+ if (lsblk->dedup_id > -1) {
+ devtree_set_dedupkeys(tr, lsblk->dedup_id);
+ lsblk_devtree_deduplicate_devices(tr);
+ }
+
devtree_to_scols(tr, lsblk->table);
if (lsblk->sort_col)
projects / thirdparty / util-linux.git / blobdiff