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mount-tool: replace udev_device by sd_device
This commit is contained in:
Yu Watanabe
parent
9aadd28149
commit
dcd265239b
@ -2,9 +2,10 @@
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#include <getopt.h>
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#include "libudev.h"
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#include "sd-bus.h"
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#include "sd-device.h"
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#include "device-enumerator-private.h"
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#include "bus-error.h"
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#include "bus-unit-util.h"
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#include "bus-util.h"
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@ -21,7 +22,6 @@
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#include "spawn-polkit-agent.h"
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#include "stat-util.h"
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#include "strv.h"
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#include "udev-util.h"
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#include "unit-def.h"
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#include "unit-name.h"
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#include "user-util.h"
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@ -921,8 +921,7 @@ static int stop_mounts(
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}
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static int umount_by_device(sd_bus *bus, const char *what) {
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_cleanup_(udev_device_unrefp) struct udev_device *d = NULL;
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_cleanup_(udev_unrefp) struct udev *udev = NULL;
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_cleanup_(sd_device_unrefp) sd_device *d = NULL;
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_cleanup_strv_free_ char **list = NULL;
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struct stat st;
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const char *v;
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@ -939,22 +938,20 @@ static int umount_by_device(sd_bus *bus, const char *what) {
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return -ENOTBLK;
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}
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udev = udev_new();
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if (!udev)
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return log_oom();
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r = sd_device_new_from_devnum(&d, 'b', st.st_rdev);
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if (r < 0)
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return log_error_errno(r, "Failed to get device from device number: %m");
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d = udev_device_new_from_devnum(udev, 'b', st.st_rdev);
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if (!d)
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return log_oom();
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r = sd_device_get_property_value(d, "ID_FS_USAGE", &v);
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if (r < 0)
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return log_error_errno(r, "Failed to get device property: %m");
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v = udev_device_get_property_value(d, "ID_FS_USAGE");
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if (!streq_ptr(v, "filesystem")) {
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if (!streq(v, "filesystem")) {
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log_error("%s does not contain a known file system.", what);
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return -EINVAL;
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}
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v = udev_device_get_property_value(d, "SYSTEMD_MOUNT_WHERE");
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if (!isempty(v))
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if (sd_device_get_property_value(d, "SYSTEMD_MOUNT_WHERE", &v) >= 0)
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r2 = stop_mounts(bus, v);
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r = find_mount_points(what, &list);
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@ -1042,7 +1039,7 @@ static int action_umount(
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return r2;
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}
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static int acquire_mount_type(struct udev_device *d) {
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static int acquire_mount_type(sd_device *d) {
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const char *v;
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assert(d);
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@ -1050,8 +1047,7 @@ static int acquire_mount_type(struct udev_device *d) {
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if (arg_mount_type)
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return 0;
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v = udev_device_get_property_value(d, "ID_FS_TYPE");
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if (isempty(v))
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if (sd_device_get_property_value(d, "ID_FS_TYPE", &v) < 0)
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return 0;
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arg_mount_type = strdup(v);
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@ -1062,14 +1058,15 @@ static int acquire_mount_type(struct udev_device *d) {
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return 1;
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}
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static int acquire_mount_options(struct udev_device *d) {
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static int acquire_mount_options(sd_device *d) {
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const char *v;
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assert(d);
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if (arg_mount_options)
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return 0;
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v = udev_device_get_property_value(d, "SYSTEMD_MOUNT_OPTIONS");
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if (isempty(v))
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if (sd_device_get_property_value(d, "SYSTEMD_MOUNT_OPTIONS", &v) < 0)
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return 0;
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arg_mount_options = strdup(v);
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@ -1080,38 +1077,41 @@ static int acquire_mount_options(struct udev_device *d) {
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return 1;
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}
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static const char *get_model(struct udev_device *d) {
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static const char *get_model(sd_device *d) {
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const char *model;
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assert(d);
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model = udev_device_get_property_value(d, "ID_MODEL_FROM_DATABASE");
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if (model)
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if (sd_device_get_property_value(d, "ID_MODEL_FROM_DATABASE", &model) >= 0)
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return model;
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return udev_device_get_property_value(d, "ID_MODEL");
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if (sd_device_get_property_value(d, "ID_MODEL", &model) >= 0)
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return model;
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return NULL;
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}
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static const char* get_label(struct udev_device *d) {
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static const char* get_label(sd_device *d) {
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const char *label;
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assert(d);
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label = udev_device_get_property_value(d, "ID_FS_LABEL");
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if (label)
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if (sd_device_get_property_value(d, "ID_FS_LABEL", &label) >= 0)
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return label;
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return udev_device_get_property_value(d, "ID_PART_ENTRY_NAME");
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if (sd_device_get_property_value(d, "ID_PART_ENTRY_NAME", &label) >= 0)
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return label;
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return NULL;
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}
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static int acquire_mount_where(struct udev_device *d) {
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static int acquire_mount_where(sd_device *d) {
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const char *v;
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if (arg_mount_where)
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return 0;
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v = udev_device_get_property_value(d, "SYSTEMD_MOUNT_WHERE");
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if (isempty(v)) {
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if (sd_device_get_property_value(d, "SYSTEMD_MOUNT_WHERE", &v) < 0) {
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_cleanup_free_ char *escaped = NULL;
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const char *name;
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@ -1121,8 +1121,7 @@ static int acquire_mount_where(struct udev_device *d) {
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if (!name) {
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const char *dn;
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dn = udev_device_get_devnode(d);
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if (!dn)
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if (sd_device_get_devname(d, &dn) < 0)
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return 0;
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name = basename(dn);
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@ -1171,7 +1170,7 @@ static int acquire_mount_where_for_loop_dev(const char *loop_dev) {
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return 1;
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}
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static int acquire_description(struct udev_device *d) {
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static int acquire_description(sd_device *d) {
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const char *model, *label;
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if (arg_description)
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@ -1181,7 +1180,7 @@ static int acquire_description(struct udev_device *d) {
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label = get_label(d);
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if (!label)
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label = udev_device_get_property_value(d, "ID_PART_ENTRY_NUMBER");
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(void) sd_device_get_property_value(d, "ID_PART_ENTRY_NUMBER", &label);
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if (model && label)
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arg_description = strjoin(model, " ", label);
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@ -1199,7 +1198,7 @@ static int acquire_description(struct udev_device *d) {
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return 1;
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}
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static int acquire_removable(struct udev_device *d) {
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static int acquire_removable(sd_device *d) {
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const char *v;
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/* Shortcut this if there's no reason to check it */
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@ -1207,15 +1206,13 @@ static int acquire_removable(struct udev_device *d) {
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return 0;
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for (;;) {
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v = udev_device_get_sysattr_value(d, "removable");
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if (v)
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if (sd_device_get_sysattr_value(d, "removable", &v) > 0)
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break;
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d = udev_device_get_parent(d);
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if (!d)
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if (sd_device_get_parent(d, &d) < 0)
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return 0;
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if (!streq_ptr(udev_device_get_subsystem(d), "block"))
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if (sd_device_get_subsystem(d, &v) < 0 || !streq(v, "block"))
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return 0;
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}
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@ -1243,8 +1240,7 @@ static int acquire_removable(struct udev_device *d) {
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}
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static int discover_loop_backing_file(void) {
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_cleanup_(udev_device_unrefp) struct udev_device *d = NULL;
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_cleanup_(udev_unrefp) struct udev *udev = NULL;
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_cleanup_(sd_device_unrefp) sd_device *d = NULL;
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_cleanup_free_ char *loop_dev = NULL;
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struct stat st;
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const char *v;
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@ -1284,16 +1280,11 @@ static int discover_loop_backing_file(void) {
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return -EINVAL;
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}
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udev = udev_new();
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if (!udev)
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return log_oom();
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r = sd_device_new_from_devnum(&d, 'b', st.st_rdev);
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if (r < 0)
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return log_error_errno(r, "Failed to get device from device number: %m");
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d = udev_device_new_from_devnum(udev, 'b', st.st_rdev);
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if (!d)
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return log_oom();
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v = udev_device_get_property_value(d, "ID_FS_USAGE");
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if (!streq_ptr(v, "filesystem")) {
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if (sd_device_get_property_value(d, "ID_FS_USAGE", &v) < 0 || !streq(v, "filesystem")) {
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log_error("%s does not contain a known file system.", arg_mount_what);
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return -EINVAL;
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}
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@ -1318,8 +1309,7 @@ static int discover_loop_backing_file(void) {
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}
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static int discover_device(void) {
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_cleanup_(udev_device_unrefp) struct udev_device *d = NULL;
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_cleanup_(udev_unrefp) struct udev *udev = NULL;
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_cleanup_(sd_device_unrefp) sd_device *d = NULL;
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struct stat st;
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const char *v;
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int r;
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@ -1335,16 +1325,11 @@ static int discover_device(void) {
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return -EINVAL;
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}
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udev = udev_new();
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if (!udev)
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return log_oom();
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r = sd_device_new_from_devnum(&d, 'b', st.st_rdev);
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if (r < 0)
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return log_error_errno(r, "Failed to get device from device number: %m");
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d = udev_device_new_from_devnum(udev, 'b', st.st_rdev);
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if (!d)
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return log_oom();
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v = udev_device_get_property_value(d, "ID_FS_USAGE");
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if (!streq_ptr(v, "filesystem")) {
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if (sd_device_get_property_value(d, "ID_FS_USAGE", &v) < 0 || !streq(v, "filesystem")) {
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log_error("%s does not contain a known file system.", arg_mount_what);
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return -EINVAL;
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}
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@ -1412,49 +1397,36 @@ static int list_devices(void) {
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[COLUMN_UUID] = "UUID"
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};
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_cleanup_(udev_enumerate_unrefp) struct udev_enumerate *e = NULL;
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_cleanup_(udev_unrefp) struct udev *udev = NULL;
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struct udev_list_entry *item = NULL, *first = NULL;
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_cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL;
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size_t n_allocated = 0, n = 0, i;
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size_t column_width[_COLUMN_MAX];
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struct item *items = NULL;
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sd_device *d;
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unsigned c;
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int r;
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for (c = 0; c < _COLUMN_MAX; c++)
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column_width[c] = strlen(titles[c]);
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udev = udev_new();
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if (!udev)
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r = sd_device_enumerator_new(&e);
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if (r < 0)
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return log_oom();
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e = udev_enumerate_new(udev);
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if (!e)
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return log_oom();
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r = udev_enumerate_add_match_subsystem(e, "block");
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r = sd_device_enumerator_add_match_subsystem(e, "block", true);
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if (r < 0)
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return log_error_errno(r, "Failed to add block match: %m");
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r = udev_enumerate_add_match_property(e, "ID_FS_USAGE", "filesystem");
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r = sd_device_enumerator_add_match_property(e, "ID_FS_USAGE", "filesystem");
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if (r < 0)
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return log_error_errno(r, "Failed to add property match: %m");
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r = udev_enumerate_scan_devices(e);
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r = device_enumerator_scan_devices(e);
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if (r < 0)
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return log_error_errno(r, "Failed to scan devices: %m");
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return log_error_errno(r, "Failed to enumerate devices: %m");
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first = udev_enumerate_get_list_entry(e);
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udev_list_entry_foreach(item, first) {
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_cleanup_(udev_device_unrefp) struct udev_device *d;
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FOREACH_DEVICE_AND_SUBSYSTEM(e, d) {
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struct item *j;
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d = udev_device_new_from_syspath(udev, udev_list_entry_get_name(item));
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if (!d) {
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r = log_oom();
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goto finish;
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}
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if (!GREEDY_REALLOC0(items, n_allocated, n+1)) {
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r = log_oom();
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goto finish;
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@ -1469,11 +1441,11 @@ static int list_devices(void) {
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switch (c) {
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case COLUMN_NODE:
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x = udev_device_get_devnode(d);
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(void) sd_device_get_devname(d, &x);
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break;
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case COLUMN_PATH:
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x = udev_device_get_property_value(d, "ID_PATH");
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(void) sd_device_get_property_value(d, "ID_PATH", &x);
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break;
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case COLUMN_MODEL:
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@ -1481,11 +1453,11 @@ static int list_devices(void) {
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break;
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case COLUMN_WWN:
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x = udev_device_get_property_value(d, "ID_WWN");
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(void) sd_device_get_property_value(d, "ID_WWN", &x);
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break;
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case COLUMN_FSTYPE:
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x = udev_device_get_property_value(d, "ID_FS_TYPE");
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(void) sd_device_get_property_value(d, "ID_FS_TYPE", &x);
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break;
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case COLUMN_LABEL:
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@ -1493,7 +1465,7 @@ static int list_devices(void) {
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break;
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case COLUMN_UUID:
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x = udev_device_get_property_value(d, "ID_FS_UUID");
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(void) sd_device_get_property_value(d, "ID_FS_UUID", &x);
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break;
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}
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