diff options
| author | V3n3RiX <venerix@koprulu.sector> | 2023-05-23 08:58:35 +0100 |
|---|---|---|
| committer | V3n3RiX <venerix@koprulu.sector> | 2023-05-23 08:58:35 +0100 |
| commit | 955b5fcaf4acc77c39a1f145d7c56e99f13083a7 (patch) | |
| tree | 1141703ebc6ca24ff935b991e261d716a5d98243 /sys-apps/util-linux/files/util-linux-2.39-check-for-mount_setattr.patch | |
| parent | 24c53d42e0294f4f6e36fbb051891af86c9ae503 (diff) | |
gentoo auto-resync : 23:05:2023 - 08:58:35
Diffstat (limited to 'sys-apps/util-linux/files/util-linux-2.39-check-for-mount_setattr.patch')
| -rw-r--r-- | sys-apps/util-linux/files/util-linux-2.39-check-for-mount_setattr.patch | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/sys-apps/util-linux/files/util-linux-2.39-check-for-mount_setattr.patch b/sys-apps/util-linux/files/util-linux-2.39-check-for-mount_setattr.patch new file mode 100644 index 000000000000..c1eb3748f782 --- /dev/null +++ b/sys-apps/util-linux/files/util-linux-2.39-check-for-mount_setattr.patch @@ -0,0 +1,98 @@ +https://bugs.gentoo.org/906797 +https://github.com/util-linux/util-linux/pull/2248 + +From 1bd85b64632280d6bf0e86b4ff29da8b19321c5f Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= <thomas@t-8ch.de> +Date: Sat, 20 May 2023 06:38:20 +0200 +Subject: [PATCH] libmount: check for availability of mount_setattr +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +If mount_setattr is not available but needed fall back to the legacy +mount API. + +Fixes #2247 + +Signed-off-by: Thomas Weißschuh <thomas@t-8ch.de> +--- a/libmount/src/hook_mount.c ++++ b/libmount/src/hook_mount.c +@@ -510,6 +510,15 @@ static inline int fsopen_is_supported(void) + return rc; + } + ++static inline int mount_setattr_is_supported(void) ++{ ++ int rc; ++ ++ errno = 0; ++ rc = mount_setattr(-1, NULL, 0, NULL, 0); ++ return !(rc == -1 && errno == ENOSYS); ++} ++ + /* + * open_tree() and fsopen() + */ +@@ -675,9 +684,14 @@ static int hook_prepare(struct libmnt_context *cxt, + /* call mount_setattr() */ + if (!rc + && cxt->helper == NULL +- && (set != 0 || clr != 0 || (flags & MS_REMOUNT))) ++ && (set != 0 || clr != 0 || (flags & MS_REMOUNT))) { ++ if (!mount_setattr_is_supported()) { ++ hookset_deinit(cxt, hs); ++ return 1; ++ } + rc = mnt_context_append_hook(cxt, hs, MNT_STAGE_MOUNT, NULL, + hook_set_vfsflags); ++ } + + /* call move_mount() to attach target */ + if (!rc +@@ -688,9 +702,14 @@ static int hook_prepare(struct libmnt_context *cxt, + hook_attach_target); + + /* set propagation (has to be attached to VFS) */ +- if (!rc && mnt_optlist_get_propagation(ol)) ++ if (!rc && mnt_optlist_get_propagation(ol)) { ++ if (!mount_setattr_is_supported()) { ++ hookset_deinit(cxt, hs); ++ return 1; ++ } + rc = mnt_context_append_hook(cxt, hs, MNT_STAGE_MOUNT_POST, NULL, + hook_set_propagation); ++ } + + DBG(HOOK, ul_debugobj(hs, "prepare mount done [rc=%d]", rc)); + return rc; +diff --git a/tests/expected/mount/fallback-mount_setattr b/tests/expected/mount/fallback-mount_setattr +new file mode 100644 +index 0000000000..3e18ebf09e +--- /dev/null ++++ b/tests/expected/mount/fallback-mount_setattr +@@ -0,0 +1 @@ ++private +--- a/tests/ts/mount/fallback ++++ b/tests/ts/mount/fallback +@@ -68,5 +68,21 @@ $TS_CMD_UMOUNT $MOUNTPOINT + ts_finalize_subtest + + ++ts_init_subtest "mount_setattr" ++"$TS_CMD_MOUNT" "$DEVICE" "$MOUNTPOINT" >> $TS_OUTPUT 2>> $TS_ERRLOG ++ts_is_mounted $DEVICE || ts_log "Cannot find $DEVICE in /proc/mounts" ++$TS_HELPER_ENOSYS -s mount_setattr -- \ ++ "$TS_CMD_MOUNT" -o remount,ro "$MOUNTPOINT" \ ++ >> $TS_OUTPUT 2>> $TS_ERRLOG ++$TS_CMD_FINDMNT --kernel --mountpoint "$MOUNTPOINT" --options "ro" &> /dev/null ++[ "$?" == "0" ] || ts_die "Cannot find read-only in $MOUNTPOINT in /proc/self/mountinfo" ++$TS_HELPER_ENOSYS -s mount_setattr -- \ ++ "$TS_CMD_MOUNT" --make-slave "$MOUNTPOINT" \ ++ >> $TS_OUTPUT 2>> $TS_ERRLOG ++$TS_CMD_FINDMNT -n --kernel --mountpoint "$MOUNTPOINT" -o PROPAGATION >> $TS_OUTPUT ++$TS_CMD_UMOUNT $MOUNTPOINT ++ts_finalize_subtest ++ ++ + ts_finalize + |