From 3503277cdb454f4a6d246c68ffb227a45c70357a4bd46afa72f395ef64134b6c Mon Sep 17 00:00:00 2001 From: Marcus Meissner Date: Wed, 4 Mar 2015 12:42:58 +0000 Subject: [PATCH] Same as SR#288728, but without networkd (which still requires security review.. but we need the udev fix much sooner than that) OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=862 --- 0001-core-rework-device-state-logic.patch | 917 ++++++++++++++++++++++ systemd-mini.changes | 6 + systemd-mini.spec | 3 +- systemd.changes | 6 + systemd.spec | 3 +- 5 files changed, 933 insertions(+), 2 deletions(-) create mode 100644 0001-core-rework-device-state-logic.patch diff --git a/0001-core-rework-device-state-logic.patch b/0001-core-rework-device-state-logic.patch new file mode 100644 index 0000000..0234602 --- /dev/null +++ b/0001-core-rework-device-state-logic.patch @@ -0,0 +1,917 @@ +From 628c89cc68ab96fce2de7ebba5933725d147aecc Mon Sep 17 00:00:00 2001 +From: Lennart Poettering +Date: Fri, 27 Feb 2015 21:55:08 +0100 +Subject: [PATCH] core: rework device state logic +References: https://bugzilla.redhat.com/show_bug.cgi?id=1196452 + +This change introduces a new state "tentative" for device units. Device +units are considered "plugged" when udev announced them, "dead" when +they are not available in the kernel, and "tentative" when they are +referenced in /proc/self/mountinfo or /proc/swaps but not (yet) +announced via udev. + +This should fix a race when device nodes (like loop devices) are created +and immediately mounted. Previously, systemd might end up seeing the +mount unit before the device, and would thus pull down the mount because +its BindTo dependency on the device would not be fulfilled. +=== +[The bug can be triggered by + cp -a /dev/sda1 (pick any source) /dev/xxx; mount /dev/xxx /mnt; + since "xxx" is a device udev does not know about even if it runs + and is race-free in the moment you are trying. + -jengelh] +--- + src/core/device.c | 368 +++++++++++++++++++++++++++++++++--------------------- + src/core/device.h | 14 ++- + src/core/mount.c | 46 ++++--- + src/core/swap.c | 32 +++-- + src/core/swap.h | 4 +- + src/core/unit.c | 1 - + 6 files changed, 285 insertions(+), 180 deletions(-) + +diff --git a/src/core/device.c b/src/core/device.c +index 2d983cc..e41ed41 100644 +--- a/src/core/device.c ++++ b/src/core/device.c +@@ -34,7 +34,8 @@ + + static const UnitActiveState state_translation_table[_DEVICE_STATE_MAX] = { + [DEVICE_DEAD] = UNIT_INACTIVE, +- [DEVICE_PLUGGED] = UNIT_ACTIVE ++ [DEVICE_TENTATIVE] = UNIT_ACTIVATING, ++ [DEVICE_PLUGGED] = UNIT_ACTIVE, + }; + + static int device_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata); +@@ -63,6 +64,41 @@ static void device_unset_sysfs(Device *d) { + d->sysfs = NULL; + } + ++static int device_set_sysfs(Device *d, const char *sysfs) { ++ Device *first; ++ char *copy; ++ int r; ++ ++ assert(d); ++ ++ if (streq_ptr(d->sysfs, sysfs)) ++ return 0; ++ ++ r = hashmap_ensure_allocated(&UNIT(d)->manager->devices_by_sysfs, &string_hash_ops); ++ if (r < 0) ++ return r; ++ ++ copy = strdup(sysfs); ++ if (!copy) ++ return -ENOMEM; ++ ++ device_unset_sysfs(d); ++ ++ first = hashmap_get(UNIT(d)->manager->devices_by_sysfs, sysfs); ++ LIST_PREPEND(same_sysfs, first, d); ++ ++ r = hashmap_replace(UNIT(d)->manager->devices_by_sysfs, copy, first); ++ if (r < 0) { ++ LIST_REMOVE(same_sysfs, first, d); ++ free(copy); ++ return r; ++ } ++ ++ d->sysfs = copy; ++ ++ return 0; ++} ++ + static void device_init(Unit *u) { + Device *d = DEVICE(u); + +@@ -110,8 +146,13 @@ static int device_coldplug(Unit *u) { + assert(d); + assert(d->state == DEVICE_DEAD); + +- if (d->sysfs) ++ if (d->found & DEVICE_FOUND_UDEV) ++ /* If udev says the device is around, it's around */ + device_set_state(d, DEVICE_PLUGGED); ++ else if (d->found != DEVICE_NOT_FOUND) ++ /* If a device is found in /proc/self/mountinfo or ++ * /proc/swaps, it's "tentatively" around. */ ++ device_set_state(d, DEVICE_TENTATIVE); + + return 0; + } +@@ -140,49 +181,9 @@ _pure_ static const char *device_sub_state_to_string(Unit *u) { + return device_state_to_string(DEVICE(u)->state); + } + +-static int device_add_escaped_name(Unit *u, const char *dn) { +- _cleanup_free_ char *e = NULL; +- int r; +- +- assert(u); +- assert(dn); +- assert(dn[0] == '/'); +- +- e = unit_name_from_path(dn, ".device"); +- if (!e) +- return -ENOMEM; +- +- r = unit_add_name(u, e); +- if (r < 0 && r != -EEXIST) +- return r; +- +- return 0; +-} +- +-static int device_find_escape_name(Manager *m, const char *dn, Unit **_u) { +- _cleanup_free_ char *e = NULL; +- Unit *u; +- +- assert(m); +- assert(dn); +- assert(dn[0] == '/'); +- assert(_u); +- +- e = unit_name_from_path(dn, ".device"); +- if (!e) +- return -ENOMEM; +- +- u = manager_get_unit(m, e); +- if (u) { +- *_u = u; +- return 1; +- } +- +- return 0; +-} +- +-static int device_make_description(Unit *u, struct udev_device *dev, const char *path) { ++static int device_update_description(Unit *u, struct udev_device *dev, const char *path) { + const char *model; ++ int r; + + assert(u); + assert(dev); +@@ -207,13 +208,16 @@ static int device_make_description(Unit *u, struct udev_device *dev, const char + + j = strjoin(model, " ", label, NULL); + if (j) +- return unit_set_description(u, j); +- } ++ r = unit_set_description(u, j); ++ } else ++ r = unit_set_description(u, model); ++ } else ++ r = unit_set_description(u, path); + +- return unit_set_description(u, model); +- } ++ if (r < 0) ++ log_unit_error_errno(u->id, r, "Failed to set device description: %m"); + +- return unit_set_description(u, path); ++ return r; + } + + static int device_add_udev_wants(Unit *u, struct udev_device *dev) { +@@ -240,20 +244,20 @@ static int device_add_udev_wants(Unit *u, struct udev_device *dev) { + + n = unit_name_mangle(e, MANGLE_NOGLOB); + if (!n) +- return -ENOMEM; ++ return log_oom(); + + r = unit_add_dependency_by_name(u, UNIT_WANTS, n, NULL, true); + if (r < 0) +- return r; ++ return log_unit_error_errno(u->id, r, "Failed to add wants dependency: %m"); + } + if (!isempty(state)) +- log_unit_warning(u->id, "Property %s on %s has trailing garbage, ignoring.", +- property, strna(udev_device_get_syspath(dev))); ++ log_unit_warning(u->id, "Property %s on %s has trailing garbage, ignoring.", property, strna(udev_device_get_syspath(dev))); + + return 0; + } + +-static int device_update_unit(Manager *m, struct udev_device *dev, const char *path, bool main) { ++static int device_setup_unit(Manager *m, struct udev_device *dev, const char *path, bool main) { ++ _cleanup_free_ char *e = NULL; + const char *sysfs; + Unit *u = NULL; + bool delete; +@@ -267,12 +271,18 @@ static int device_update_unit(Manager *m, struct udev_device *dev, const char *p + if (!sysfs) + return 0; + +- r = device_find_escape_name(m, path, &u); +- if (r < 0) +- return r; ++ e = unit_name_from_path(path, ".device"); ++ if (!e) ++ return log_oom(); ++ ++ u = manager_get_unit(m, e); + +- if (u && DEVICE(u)->sysfs && !path_equal(DEVICE(u)->sysfs, sysfs)) ++ if (u && ++ DEVICE(u)->sysfs && ++ !path_equal(DEVICE(u)->sysfs, sysfs)) { ++ log_unit_error(u->id, "Device %s appeared twice with different sysfs paths %s and %s", e, DEVICE(u)->sysfs, sysfs); + return -EEXIST; ++ } + + if (!u) { + delete = true; +@@ -281,7 +291,7 @@ static int device_update_unit(Manager *m, struct udev_device *dev, const char *p + if (!u) + return log_oom(); + +- r = device_add_escaped_name(u, path); ++ r = unit_add_name(u, e); + if (r < 0) + goto fail; + +@@ -293,37 +303,16 @@ static int device_update_unit(Manager *m, struct udev_device *dev, const char *p + * actually been seen yet ->sysfs will not be + * initialized. Hence initialize it if necessary. */ + +- if (!DEVICE(u)->sysfs) { +- Device *first; +- +- DEVICE(u)->sysfs = strdup(sysfs); +- if (!DEVICE(u)->sysfs) { +- r = -ENOMEM; +- goto fail; +- } +- +- r = hashmap_ensure_allocated(&m->devices_by_sysfs, &string_hash_ops); +- if (r < 0) +- goto fail; +- +- first = hashmap_get(m->devices_by_sysfs, sysfs); +- LIST_PREPEND(same_sysfs, first, DEVICE(u)); +- +- r = hashmap_replace(m->devices_by_sysfs, DEVICE(u)->sysfs, first); +- if (r < 0) +- goto fail; +- } +- +- device_make_description(u, dev, path); ++ r = device_set_sysfs(DEVICE(u), sysfs); ++ if (r < 0) ++ goto fail; + +- if (main) { +- /* The additional systemd udev properties we only +- * interpret for the main object */ ++ (void) device_update_description(u, dev, path); + +- r = device_add_udev_wants(u, dev); +- if (r < 0) +- goto fail; +- } ++ /* The additional systemd udev properties we only interpret ++ * for the main object */ ++ if (main) ++ (void) device_add_udev_wants(u, dev); + + /* Note that this won't dispatch the load queue, the caller + * has to do that if needed and appropriate */ +@@ -332,7 +321,7 @@ static int device_update_unit(Manager *m, struct udev_device *dev, const char *p + return 0; + + fail: +- log_warning_errno(r, "Failed to load device unit: %m"); ++ log_unit_warning_errno(u->id, r, "Failed to set up device unit: %m"); + + if (delete && u) + unit_free(u); +@@ -340,7 +329,7 @@ fail: + return r; + } + +-static int device_process_new_device(Manager *m, struct udev_device *dev) { ++static int device_process_new(Manager *m, struct udev_device *dev) { + const char *sysfs, *dn, *alias; + struct udev_list_entry *item = NULL, *first = NULL; + int r; +@@ -352,14 +341,14 @@ static int device_process_new_device(Manager *m, struct udev_device *dev) { + return 0; + + /* Add the main unit named after the sysfs path */ +- r = device_update_unit(m, dev, sysfs, true); ++ r = device_setup_unit(m, dev, sysfs, true); + if (r < 0) + return r; + + /* Add an additional unit for the device node */ + dn = udev_device_get_devnode(dev); + if (dn) +- device_update_unit(m, dev, dn, false); ++ (void) device_setup_unit(m, dev, dn, false); + + /* Add additional units for all symlinks */ + first = udev_device_get_devlinks_list_entry(dev); +@@ -386,7 +375,7 @@ static int device_process_new_device(Manager *m, struct udev_device *dev) { + st.st_rdev != udev_device_get_devnum(dev)) + continue; + +- device_update_unit(m, dev, p, false); ++ (void) device_setup_unit(m, dev, p, false); + } + + /* Add additional units for all explicitly configured +@@ -403,7 +392,7 @@ static int device_process_new_device(Manager *m, struct udev_device *dev) { + e[l] = 0; + + if (path_is_absolute(e)) +- device_update_unit(m, dev, e, false); ++ (void) device_setup_unit(m, dev, e, false); + else + log_warning("SYSTEMD_ALIAS for %s is not an absolute path, ignoring: %s", sysfs, e); + } +@@ -414,39 +403,62 @@ static int device_process_new_device(Manager *m, struct udev_device *dev) { + return 0; + } + +-static void device_set_path_plugged(Manager *m, struct udev_device *dev) { +- const char *sysfs; ++static void device_update_found_one(Device *d, bool add, DeviceFound found, bool now) { ++ DeviceFound n; ++ ++ assert(d); ++ ++ n = add ? (d->found | found) : (d->found & ~found); ++ if (n == d->found) ++ return; ++ ++ d->found = n; ++ ++ if (now) { ++ if (d->found & DEVICE_FOUND_UDEV) ++ device_set_state(d, DEVICE_PLUGGED); ++ else if (d->found != DEVICE_NOT_FOUND) ++ device_set_state(d, DEVICE_TENTATIVE); ++ else ++ device_set_state(d, DEVICE_DEAD); ++ } ++} ++ ++static int device_update_found_by_sysfs(Manager *m, const char *sysfs, bool add, DeviceFound found, bool now) { + Device *d, *l; + + assert(m); +- assert(dev); ++ assert(sysfs); + +- sysfs = udev_device_get_syspath(dev); +- if (!sysfs) +- return; ++ if (found == DEVICE_NOT_FOUND) ++ return 0; + + l = hashmap_get(m->devices_by_sysfs, sysfs); + LIST_FOREACH(same_sysfs, d, l) +- device_set_state(d, DEVICE_PLUGGED); ++ device_update_found_one(d, add, found, now); ++ ++ return 0; + } + +-static int device_process_removed_device(Manager *m, struct udev_device *dev) { +- const char *sysfs; +- Device *d; ++static int device_update_found_by_name(Manager *m, const char *path, bool add, DeviceFound found, bool now) { ++ _cleanup_free_ char *e = NULL; ++ Unit *u; + + assert(m); +- assert(dev); ++ assert(path); + +- sysfs = udev_device_get_syspath(dev); +- if (!sysfs) +- return -ENOMEM; ++ if (found == DEVICE_NOT_FOUND) ++ return 0; + +- /* Remove all units of this sysfs path */ +- while ((d = hashmap_get(m->devices_by_sysfs, sysfs))) { +- device_unset_sysfs(d); +- device_set_state(d, DEVICE_DEAD); +- } ++ e = unit_name_from_path(path, ".device"); ++ if (!e) ++ return log_oom(); + ++ u = manager_get_unit(m, e); ++ if (!u) ++ return 0; ++ ++ device_update_found_one(DEVICE(u), add, found, now); + return 0; + } + +@@ -462,22 +474,6 @@ static bool device_is_ready(struct udev_device *dev) { + return parse_boolean(ready) != 0; + } + +-static int device_process_new_path(Manager *m, const char *path) { +- _cleanup_udev_device_unref_ struct udev_device *dev = NULL; +- +- assert(m); +- assert(path); +- +- dev = udev_device_new_from_syspath(m->udev, path); +- if (!dev) +- return log_oom(); +- +- if (!device_is_ready(dev)) +- return 0; +- +- return device_process_new_device(m, dev); +-} +- + static Unit *device_following(Unit *u) { + Device *d = DEVICE(u); + Device *other, *first = NULL; +@@ -604,12 +600,31 @@ static int device_enumerate(Manager *m) { + goto fail; + + first = udev_enumerate_get_list_entry(e); +- udev_list_entry_foreach(item, first) +- device_process_new_path(m, udev_list_entry_get_name(item)); ++ udev_list_entry_foreach(item, first) { ++ _cleanup_udev_device_unref_ struct udev_device *dev = NULL; ++ const char *sysfs; ++ ++ sysfs = udev_list_entry_get_name(item); ++ ++ dev = udev_device_new_from_syspath(m->udev, sysfs); ++ if (!dev) { ++ log_oom(); ++ continue; ++ } ++ ++ if (!device_is_ready(dev)) ++ continue; ++ ++ (void) device_process_new(m, dev); ++ ++ device_update_found_by_sysfs(m, sysfs, true, DEVICE_FOUND_UDEV, false); ++ } + + return 0; + + fail: ++ log_error_errno(r, "Failed to enumerate devices: %m"); ++ + device_shutdown(m); + return r; + } +@@ -617,7 +632,7 @@ fail: + static int device_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata) { + _cleanup_udev_device_unref_ struct udev_device *dev = NULL; + Manager *m = userdata; +- const char *action; ++ const char *action, *sysfs; + int r; + + assert(m); +@@ -639,33 +654,47 @@ static int device_dispatch_io(sd_event_source *source, int fd, uint32_t revents, + if (!dev) + return 0; + ++ sysfs = udev_device_get_syspath(dev); ++ if (!sysfs) { ++ log_error("Failed to get udev sys path."); ++ return 0; ++ } ++ + action = udev_device_get_action(dev); + if (!action) { + log_error("Failed to get udev action string."); + return 0; + } + +- if (streq(action, "remove") || !device_is_ready(dev)) { +- r = device_process_removed_device(m, dev); +- if (r < 0) +- log_error_errno(r, "Failed to process device remove event: %m"); +- +- r = swap_process_removed_device(m, dev); ++ if (streq(action, "remove")) { ++ r = swap_process_device_remove(m, dev); + if (r < 0) + log_error_errno(r, "Failed to process swap device remove event: %m"); + +- } else { +- r = device_process_new_device(m, dev); +- if (r < 0) +- log_error_errno(r, "Failed to process device new event: %m"); ++ /* If we get notified that a device was removed by ++ * udev, then it's completely gone, hence unset all ++ * found bits */ ++ device_update_found_by_sysfs(m, sysfs, false, DEVICE_FOUND_UDEV|DEVICE_FOUND_MOUNT|DEVICE_FOUND_SWAP, true); + +- r = swap_process_new_device(m, dev); ++ } else if (device_is_ready(dev)) { ++ ++ (void) device_process_new(m, dev); ++ ++ r = swap_process_device_new(m, dev); + if (r < 0) + log_error_errno(r, "Failed to process swap device new event: %m"); + + manager_dispatch_load_queue(m); + +- device_set_path_plugged(m, dev); ++ /* The device is found now, set the udev found bit */ ++ device_update_found_by_sysfs(m, sysfs, true, DEVICE_FOUND_UDEV, true); ++ ++ } else { ++ /* The device is nominally around, but not ready for ++ * us. Hence unset the udev bit, but leave the rest ++ * around. */ ++ ++ device_update_found_by_sysfs(m, sysfs, false, DEVICE_FOUND_UDEV, true); + } + + return 0; +@@ -684,9 +713,58 @@ static bool device_supported(Manager *m) { + return read_only <= 0; + } + ++int device_found_node(Manager *m, const char *node, bool add, DeviceFound found, bool now) { ++ _cleanup_udev_device_unref_ struct udev_device *dev = NULL; ++ struct stat st; ++ ++ assert(m); ++ assert(node); ++ ++ /* This is called whenever we find a device referenced in ++ * /proc/swaps or /proc/self/mounts. Such a device might be ++ * mounted/enabled at a time where udev has not finished ++ * probing it yet, and we thus haven't learned about it ++ * yet. In this case we will set the device unit to ++ * "tentative" state. */ ++ ++ if (add) { ++ if (!path_startswith(node, "/dev")) ++ return 0; ++ ++ if (stat(node, &st) < 0) { ++ if (errno == ENOENT) ++ return 0; ++ ++ return log_error_errno(errno, "Failed to stat device node file %s: %m", node); ++ } ++ ++ if (!S_ISBLK(st.st_mode) && !S_ISCHR(st.st_mode)) ++ return 0; ++ ++ dev = udev_device_new_from_devnum(m->udev, S_ISBLK(st.st_mode) ? 'b' : 'c', st.st_rdev); ++ if (!dev) { ++ if (errno == ENOENT) ++ return 0; ++ ++ return log_oom(); ++ } ++ ++ /* If the device is known in the kernel and newly ++ * appeared, then we'll create a device unit for it, ++ * under the name referenced in /proc/swaps or ++ * /proc/self/mountinfo. */ ++ ++ (void) device_setup_unit(m, dev, node, false); ++ } ++ ++ /* Update the device unit's state, should it exist */ ++ return device_update_found_by_name(m, node, add, found, now); ++} ++ + static const char* const device_state_table[_DEVICE_STATE_MAX] = { + [DEVICE_DEAD] = "dead", +- [DEVICE_PLUGGED] = "plugged" ++ [DEVICE_TENTATIVE] = "tentative", ++ [DEVICE_PLUGGED] = "plugged", + }; + + DEFINE_STRING_TABLE_LOOKUP(device_state, DeviceState); +diff --git a/src/core/device.h b/src/core/device.h +index 9065085..9f46e08 100644 +--- a/src/core/device.h ++++ b/src/core/device.h +@@ -28,20 +28,28 @@ typedef struct Device Device; + * simplifies the state engine greatly */ + typedef enum DeviceState { + DEVICE_DEAD, +- DEVICE_PLUGGED, ++ DEVICE_TENTATIVE, /* mounted or swapped, but not (yet) announced by udev */ ++ DEVICE_PLUGGED, /* announced by udev */ + _DEVICE_STATE_MAX, + _DEVICE_STATE_INVALID = -1 + } DeviceState; + ++typedef enum DeviceFound { ++ DEVICE_NOT_FOUND = 0, ++ DEVICE_FOUND_UDEV = 1, ++ DEVICE_FOUND_MOUNT = 2, ++ DEVICE_FOUND_SWAP = 4, ++} DeviceFound; ++ + struct Device { + Unit meta; + + char *sysfs; ++ DeviceFound found; + + /* In order to be able to distinguish dependencies on + different device nodes we might end up creating multiple + devices for the same sysfs path. We chain them up here. */ +- + LIST_FIELDS(struct Device, same_sysfs); + + DeviceState state; +@@ -51,3 +59,5 @@ extern const UnitVTable device_vtable; + + const char* device_state_to_string(DeviceState i) _const_; + DeviceState device_state_from_string(const char *s) _pure_; ++ ++int device_found_node(Manager *m, const char *node, bool add, DeviceFound found, bool now); +diff --git a/src/core/mount.c b/src/core/mount.c +index 40037e7..8e4a376 100644 +--- a/src/core/mount.c ++++ b/src/core/mount.c +@@ -1386,7 +1386,7 @@ static int mount_dispatch_timer(sd_event_source *source, usec_t usec, void *user + return 0; + } + +-static int mount_add_one( ++static int mount_setup_unit( + Manager *m, + const char *what, + const char *where, +@@ -1429,7 +1429,7 @@ static int mount_add_one( + + u = unit_new(m, sizeof(Mount)); + if (!u) +- return -ENOMEM; ++ return log_oom(); + + r = unit_add_name(u, e); + if (r < 0) +@@ -1542,6 +1542,8 @@ static int mount_add_one( + return 0; + + fail: ++ log_warning_errno(r, "Failed to set up mount unit: %m"); ++ + if (delete && u) + unit_free(u); + +@@ -1549,33 +1551,36 @@ fail: + } + + static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) { +- _cleanup_(mnt_free_tablep) struct libmnt_table *tb = NULL; +- _cleanup_(mnt_free_iterp) struct libmnt_iter *itr = NULL; +- struct libmnt_fs *fs; ++ _cleanup_(mnt_free_tablep) struct libmnt_table *t = NULL; ++ _cleanup_(mnt_free_iterp) struct libmnt_iter *i = NULL; + int r = 0; + + assert(m); + +- tb = mnt_new_table(); +- itr = mnt_new_iter(MNT_ITER_FORWARD); +- if (!tb || !itr) ++ t = mnt_new_table(); ++ if (!t) + return log_oom(); + +- r = mnt_table_parse_mtab(tb, NULL); ++ i = mnt_new_iter(MNT_ITER_FORWARD); ++ if (!i) ++ return log_oom(); ++ ++ r = mnt_table_parse_mtab(t, NULL); + if (r < 0) +- return r; ++ return log_error_errno(r, "Failed to parse /proc/self/mountinfo: %m"); + + r = 0; + for (;;) { + const char *device, *path, *options, *fstype; + _cleanup_free_ const char *d = NULL, *p = NULL; ++ struct libmnt_fs *fs; + int k; + +- k = mnt_table_next_fs(tb, itr, &fs); ++ k = mnt_table_next_fs(t, i, &fs); + if (k == 1) + break; +- else if (k < 0) +- return log_error_errno(k, "Failed to get next entry from /etc/fstab: %m"); ++ if (k < 0) ++ return log_error_errno(k, "Failed to get next entry from /proc/self/mountinfo: %m"); + + device = mnt_fs_get_source(fs); + path = mnt_fs_get_target(fs); +@@ -1583,11 +1588,16 @@ static int mount_load_proc_self_mountinfo(Manager *m, bool set_flags) { + fstype = mnt_fs_get_fstype(fs); + + d = cunescape(device); ++ if (!d) ++ return log_oom(); ++ + p = cunescape(path); +- if (!d || !p) ++ if (!p) + return log_oom(); + +- k = mount_add_one(m, d, p, options, fstype, set_flags); ++ (void) device_found_node(m, d, true, DEVICE_FOUND_MOUNT, set_flags); ++ ++ k = mount_setup_unit(m, d, p, options, fstype, set_flags); + if (r == 0 && k < 0) + r = k; + } +@@ -1731,8 +1741,6 @@ static int mount_dispatch_io(sd_event_source *source, int fd, uint32_t revents, + + r = mount_load_proc_self_mountinfo(m, true); + if (r < 0) { +- log_error_errno(r, "Failed to reread /proc/self/mountinfo: %m"); +- + /* Reset flags, just in case, for later calls */ + LIST_FOREACH(units_by_type, u, m->units_by_type[UNIT_MOUNT]) { + Mount *mount = MOUNT(u); +@@ -1765,6 +1773,10 @@ static int mount_dispatch_io(sd_event_source *source, int fd, uint32_t revents, + break; + } + ++ if (mount->parameters_proc_self_mountinfo.what) ++ (void) device_found_node(m, mount->parameters_proc_self_mountinfo.what, false, DEVICE_FOUND_MOUNT, true); ++ ++ + } else if (mount->just_mounted || mount->just_changed) { + + /* New or changed mount entry */ +diff --git a/src/core/swap.c b/src/core/swap.c +index f73a8e6..de3a5d8 100644 +--- a/src/core/swap.c ++++ b/src/core/swap.c +@@ -331,7 +331,7 @@ static int swap_load(Unit *u) { + return swap_verify(s); + } + +-static int swap_add_one( ++static int swap_setup_unit( + Manager *m, + const char *what, + const char *what_proc_swaps, +@@ -356,8 +356,10 @@ static int swap_add_one( + + if (u && + SWAP(u)->from_proc_swaps && +- !path_equal(SWAP(u)->parameters_proc_swaps.what, what_proc_swaps)) ++ !path_equal(SWAP(u)->parameters_proc_swaps.what, what_proc_swaps)) { ++ log_error("Swap %s appeared twice with different device paths %s and %s", e, SWAP(u)->parameters_proc_swaps.what, what_proc_swaps); + return -EEXIST; ++ } + + if (!u) { + delete = true; +@@ -372,7 +374,7 @@ static int swap_add_one( + + SWAP(u)->what = strdup(what); + if (!SWAP(u)->what) { +- r = log_oom(); ++ r = -ENOMEM; + goto fail; + } + +@@ -400,7 +402,6 @@ static int swap_add_one( + p->priority = priority; + + unit_add_to_dbus_queue(u); +- + return 0; + + fail: +@@ -412,7 +413,7 @@ fail: + return r; + } + +-static int swap_process_new_swap(Manager *m, const char *device, int prio, bool set_flags) { ++static int swap_process_new(Manager *m, const char *device, int prio, bool set_flags) { + _cleanup_udev_device_unref_ struct udev_device *d = NULL; + struct udev_list_entry *item = NULL, *first = NULL; + const char *dn; +@@ -421,7 +422,7 @@ static int swap_process_new_swap(Manager *m, const char *device, int prio, bool + + assert(m); + +- r = swap_add_one(m, device, device, prio, set_flags); ++ r = swap_setup_unit(m, device, device, prio, set_flags); + if (r < 0) + return r; + +@@ -437,7 +438,7 @@ static int swap_process_new_swap(Manager *m, const char *device, int prio, bool + /* Add the main device node */ + dn = udev_device_get_devnode(d); + if (dn && !streq(dn, device)) +- swap_add_one(m, dn, device, prio, set_flags); ++ swap_setup_unit(m, dn, device, prio, set_flags); + + /* Add additional units for all symlinks */ + first = udev_device_get_devlinks_list_entry(d); +@@ -458,7 +459,7 @@ static int swap_process_new_swap(Manager *m, const char *device, int prio, bool + st.st_rdev != udev_device_get_devnum(d)) + continue; + +- swap_add_one(m, p, device, prio, set_flags); ++ swap_setup_unit(m, p, device, prio, set_flags); + } + + return r; +@@ -1084,15 +1085,17 @@ static int swap_load_proc_swaps(Manager *m, bool set_flags) { + if (k == EOF) + break; + +- log_warning("Failed to parse /proc/swaps:%u", i); ++ log_warning("Failed to parse /proc/swaps:%u.", i); + continue; + } + + d = cunescape(dev); + if (!d) +- return -ENOMEM; ++ return log_oom(); ++ ++ device_found_node(m, d, true, DEVICE_FOUND_SWAP, set_flags); + +- k = swap_process_new_swap(m, d, prio, set_flags); ++ k = swap_process_new(m, d, prio, set_flags); + if (k < 0) + r = k; + } +@@ -1144,6 +1147,9 @@ static int swap_dispatch_io(sd_event_source *source, int fd, uint32_t revents, v + break; + } + ++ if (swap->what) ++ device_found_node(m, swap->what, false, DEVICE_FOUND_SWAP, true); ++ + } else if (swap->just_activated) { + + /* New swap entry */ +@@ -1291,7 +1297,7 @@ fail: + return r; + } + +-int swap_process_new_device(Manager *m, struct udev_device *dev) { ++int swap_process_device_new(Manager *m, struct udev_device *dev) { + struct udev_list_entry *item = NULL, *first = NULL; + _cleanup_free_ char *e = NULL; + const char *dn; +@@ -1334,7 +1340,7 @@ int swap_process_new_device(Manager *m, struct udev_device *dev) { + return r; + } + +-int swap_process_removed_device(Manager *m, struct udev_device *dev) { ++int swap_process_device_remove(Manager *m, struct udev_device *dev) { + const char *dn; + int r = 0; + Swap *s; +diff --git a/src/core/swap.h b/src/core/swap.h +index c36c6f2..5de8c20 100644 +--- a/src/core/swap.h ++++ b/src/core/swap.h +@@ -115,8 +115,8 @@ struct Swap { + + extern const UnitVTable swap_vtable; + +-int swap_process_new_device(Manager *m, struct udev_device *dev); +-int swap_process_removed_device(Manager *m, struct udev_device *dev); ++int swap_process_device_new(Manager *m, struct udev_device *dev); ++int swap_process_device_remove(Manager *m, struct udev_device *dev); + + const char* swap_state_to_string(SwapState i) _const_; + SwapState swap_state_from_string(const char *s) _pure_; +diff --git a/src/core/unit.c b/src/core/unit.c +index 63ccd67..7cd7043 100644 +--- a/src/core/unit.c ++++ b/src/core/unit.c +@@ -2834,7 +2834,6 @@ int unit_add_node_link(Unit *u, const char *what, bool wants) { + return -ENOMEM; + + r = manager_load_unit(u->manager, e, NULL, NULL, &device); +- + if (r < 0) + return r; + +-- +2.1.4 + diff --git a/systemd-mini.changes b/systemd-mini.changes index 7308f33..7a555d3 100644 --- a/systemd-mini.changes +++ b/systemd-mini.changes @@ -1,3 +1,9 @@ +------------------------------------------------------------------- +Tue Mar 3 16:03:07 UTC 2015 - jengelh@inai.de + +- Add 0001-core-rework-device-state-logic.patch to fix spurious + automated umount after mount. + ------------------------------------------------------------------- Wed Feb 18 12:13:52 UTC 2015 - meissner@suse.com diff --git a/systemd-mini.spec b/systemd-mini.spec index 599ca3c..3399d28 100644 --- a/systemd-mini.spec +++ b/systemd-mini.spec @@ -253,7 +253,7 @@ Patch490: watch_resolv.conf_for_become_changed.patch Patch520: systemd-add-user-keep.patch # PATCH-FIX-SUSE systemd-add-user-keep.patch (bnc#903009) Patch521: kbd-model-map.patch -# +Patch522: 0001-core-rework-device-state-logic.patch # UDEV PATCHES # ============ @@ -621,6 +621,7 @@ cp %{SOURCE7} m4/ %patch490 -p1 %patch520 -p1 %patch521 -p1 +%patch522 -p1 # udev patches %patch1001 -p1 diff --git a/systemd.changes b/systemd.changes index 7308f33..7a555d3 100644 --- a/systemd.changes +++ b/systemd.changes @@ -1,3 +1,9 @@ +------------------------------------------------------------------- +Tue Mar 3 16:03:07 UTC 2015 - jengelh@inai.de + +- Add 0001-core-rework-device-state-logic.patch to fix spurious + automated umount after mount. + ------------------------------------------------------------------- Wed Feb 18 12:13:52 UTC 2015 - meissner@suse.com diff --git a/systemd.spec b/systemd.spec index 75cd2d1..7b5b680 100644 --- a/systemd.spec +++ b/systemd.spec @@ -248,7 +248,7 @@ Patch490: watch_resolv.conf_for_become_changed.patch Patch520: systemd-add-user-keep.patch # PATCH-FIX-SUSE systemd-add-user-keep.patch (bnc#903009) Patch521: kbd-model-map.patch -# +Patch522: 0001-core-rework-device-state-logic.patch # UDEV PATCHES # ============ @@ -616,6 +616,7 @@ cp %{SOURCE7} m4/ %patch490 -p1 %patch520 -p1 %patch521 -p1 +%patch522 -p1 # udev patches %patch1001 -p1