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systemd/0768-sd-id128-fold-do_sync-flag-into-Id128FormatFlag.patch
Jan Macku 75aa201631 systemd-252-37 
Resolves: RHEL-13159,RHEL-20322,RHEL-27512,RHEL-30372,RHEL-31070,RHEL-31219,RHEL-33890,RHEL-35703,RHEL-38864,RHEL-40878,RHEL-6589
2024-06-13 16:16:12 +02:00

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6.4 KiB
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From 77085bae51bcfaaa0ef356bca93e9aa883a43a89 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Fri, 9 Dec 2022 05:37:12 +0900
Subject: [PATCH] sd-id128: fold do_sync flag into Id128FormatFlag
(cherry picked from commit b40c8ebdc86b61df03207865b5a75cd37900ea4c)
Related: RHEL-27512
---
src/libsystemd/sd-id128/id128-util.c | 8 ++++----
src/libsystemd/sd-id128/id128-util.h | 6 ++++--
src/nspawn/nspawn.c | 2 +-
src/shared/machine-id-setup.c | 6 +++---
src/test/test-id128.c | 4 ++--
5 files changed, 14 insertions(+), 12 deletions(-)
diff --git a/src/libsystemd/sd-id128/id128-util.c b/src/libsystemd/sd-id128/id128-util.c
index 9b0ad48e6b..faacc55960 100644
--- a/src/libsystemd/sd-id128/id128-util.c
+++ b/src/libsystemd/sd-id128/id128-util.c
@@ -109,7 +109,7 @@ int id128_read(const char *p, Id128FormatFlag f, sd_id128_t *ret) {
return id128_read_fd(fd, f, ret);
}
-int id128_write_fd(int fd, Id128FormatFlag f, sd_id128_t id, bool do_sync) {
+int id128_write_fd(int fd, Id128FormatFlag f, sd_id128_t id) {
char buffer[SD_ID128_UUID_STRING_MAX + 1]; /* +1 is for trailing newline */
size_t sz;
int r;
@@ -130,7 +130,7 @@ int id128_write_fd(int fd, Id128FormatFlag f, sd_id128_t id, bool do_sync) {
if (r < 0)
return r;
- if (do_sync) {
+ if (FLAGS_SET(f, ID128_SYNC_ON_WRITE)) {
r = fsync_full(fd);
if (r < 0)
return r;
@@ -139,14 +139,14 @@ int id128_write_fd(int fd, Id128FormatFlag f, sd_id128_t id, bool do_sync) {
return 0;
}
-int id128_write(const char *p, Id128FormatFlag f, sd_id128_t id, bool do_sync) {
+int id128_write(const char *p, Id128FormatFlag f, sd_id128_t id) {
_cleanup_close_ int fd = -1;
fd = open(p, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY|O_TRUNC, 0444);
if (fd < 0)
return -errno;
- return id128_write_fd(fd, f, id, do_sync);
+ return id128_write_fd(fd, f, id);
}
void id128_hash_func(const sd_id128_t *p, struct siphash *state) {
diff --git a/src/libsystemd/sd-id128/id128-util.h b/src/libsystemd/sd-id128/id128-util.h
index d031c680f1..887f443d69 100644
--- a/src/libsystemd/sd-id128/id128-util.h
+++ b/src/libsystemd/sd-id128/id128-util.h
@@ -14,13 +14,15 @@ typedef enum Id128FormatFlag {
ID128_FORMAT_PLAIN = 1 << 0, /* formatted as 32 hex chars as-is */
ID128_FORMAT_UUID = 1 << 1, /* formatted as 36 character uuid string */
ID128_FORMAT_ANY = ID128_FORMAT_PLAIN | ID128_FORMAT_UUID,
+
+ ID128_SYNC_ON_WRITE = 1 << 2, /* Sync the file after write. Used only when writing an ID. */
} Id128FormatFlag;
int id128_read_fd(int fd, Id128FormatFlag f, sd_id128_t *ret);
int id128_read(const char *p, Id128FormatFlag f, sd_id128_t *ret);
-int id128_write_fd(int fd, Id128FormatFlag f, sd_id128_t id, bool do_sync);
-int id128_write(const char *p, Id128FormatFlag f, sd_id128_t id, bool do_sync);
+int id128_write_fd(int fd, Id128FormatFlag f, sd_id128_t id);
+int id128_write(const char *p, Id128FormatFlag f, sd_id128_t id);
void id128_hash_func(const sd_id128_t *p, struct siphash *state);
int id128_compare_func(const sd_id128_t *a, const sd_id128_t *b) _pure_;
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index 085f817dd3..db45968cd3 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -2195,7 +2195,7 @@ static int setup_boot_id(void) {
if (r < 0)
return log_error_errno(r, "Failed to generate random boot id: %m");
- r = id128_write(path, ID128_FORMAT_UUID, rnd, false);
+ r = id128_write(path, ID128_FORMAT_UUID, rnd);
if (r < 0)
return log_error_errno(r, "Failed to write boot id: %m");
diff --git a/src/shared/machine-id-setup.c b/src/shared/machine-id-setup.c
index 787c0765d0..f82a292ea3 100644
--- a/src/shared/machine-id-setup.c
+++ b/src/shared/machine-id-setup.c
@@ -152,7 +152,7 @@ int machine_id_setup(const char *root, bool force_transient, sd_id128_t machine_
if (r < 0)
return log_error_errno(r, "Failed to sync %s: %m", etc_machine_id);
} else {
- r = id128_write_fd(fd, ID128_FORMAT_PLAIN, machine_id, true);
+ r = id128_write_fd(fd, ID128_FORMAT_PLAIN | ID128_SYNC_ON_WRITE, machine_id);
if (r < 0)
return log_error_errno(r, "Failed to write %s: %m", etc_machine_id);
else
@@ -168,7 +168,7 @@ int machine_id_setup(const char *root, bool force_transient, sd_id128_t machine_
run_machine_id = prefix_roota(root, "/run/machine-id");
RUN_WITH_UMASK(0022)
- r = id128_write(run_machine_id, ID128_FORMAT_PLAIN, machine_id, false);
+ r = id128_write(run_machine_id, ID128_FORMAT_PLAIN, machine_id);
if (r < 0) {
(void) unlink(run_machine_id);
return log_error_errno(r, "Cannot write %s: %m", run_machine_id);
@@ -261,7 +261,7 @@ int machine_id_commit(const char *root) {
return r;
/* Update a persistent version of etc_machine_id */
- r = id128_write(etc_machine_id, ID128_FORMAT_PLAIN, id, true);
+ r = id128_write(etc_machine_id, ID128_FORMAT_PLAIN | ID128_SYNC_ON_WRITE, id);
if (r < 0)
return log_error_errno(r, "Cannot write %s. This is mandatory to get a persistent machine ID: %m", etc_machine_id);
diff --git a/src/test/test-id128.c b/src/test/test-id128.c
index dccf3b7fb9..6de0cec426 100644
--- a/src/test/test-id128.c
+++ b/src/test/test-id128.c
@@ -86,7 +86,7 @@ TEST(id128) {
/* First, write as UUID */
assert_se(sd_id128_randomize(&id) >= 0);
- assert_se(id128_write_fd(fd, ID128_FORMAT_UUID, id, false) >= 0);
+ assert_se(id128_write_fd(fd, ID128_FORMAT_UUID, id) >= 0);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_FORMAT_PLAIN, &id2) == -EINVAL);
@@ -104,7 +104,7 @@ TEST(id128) {
assert_se(ftruncate(fd, 0) >= 0);
assert_se(sd_id128_randomize(&id) >= 0);
- assert_se(id128_write_fd(fd, ID128_FORMAT_PLAIN, id, false) >= 0);
+ assert_se(id128_write_fd(fd, ID128_FORMAT_PLAIN, id) >= 0);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_FORMAT_UUID, &id2) == -EINVAL);
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