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core: do not add "what" to RequiresMountsFor for network mounts

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For cifs mount like //server/share, we would get
RequiresMountsFor=/server/share, which probably isn't
harmful, but quite confusing.

Unfortunately a bunch of static functions had to be moved
up, but patch is really one line.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2013-10-05 13:09:43 -04:00
parent 9c03872bc8
commit fc676b00a7
Notes: Zbigniew Jędrzejewski-Szmek 2013-10-21 16:38:31 -04:00 
Backport: bugfix
1 changed files with 70 additions and 67 deletions
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137
src/core/mount.c
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@ -59,6 +59,72 @@ static const UnitActiveState state_translation_table[_MOUNT_STATE_MAX] = {
[MOUNT_FAILED] = UNIT_FAILED
};
static char* mount_test_option(const char *haystack, const char *needle) {
struct mntent me = { .mnt_opts = (char*) haystack };
assert(needle);
/* Like glibc's hasmntopt(), but works on a string, not a
* struct mntent */
if (!haystack)
return NULL;
return hasmntopt(&me, needle);
}
static bool mount_is_network(MountParameters *p) {
assert(p);
if (mount_test_option(p->options, "_netdev"))
return true;
if (p->fstype && fstype_is_network(p->fstype))
return true;
return false;
}
static bool mount_is_bind(MountParameters *p) {
assert(p);
if (mount_test_option(p->options, "bind"))
return true;
if (p->fstype && streq(p->fstype, "bind"))
return true;
if (mount_test_option(p->options, "rbind"))
return true;
if (p->fstype && streq(p->fstype, "rbind"))
return true;
return false;
}
static bool mount_is_auto(MountParameters *p) {
assert(p);
return !mount_test_option(p->options, "noauto");
}
static bool needs_quota(MountParameters *p) {
assert(p);
if (mount_is_network(p))
return false;
if (mount_is_bind(p))
return false;
return mount_test_option(p->options, "usrquota") ||
mount_test_option(p->options, "grpquota") ||
mount_test_option(p->options, "quota") ||
mount_test_option(p->options, "usrjquota") ||
mount_test_option(p->options, "grpjquota");
}
static void mount_init(Unit *u) {
Mount *m = MOUNT(u);
@ -182,7 +248,10 @@ static int mount_add_mount_links(Mount *m) {
* for the source path (if this is a bind mount) to be
* available. */
pm = get_mount_parameters_fragment(m);
if (pm && pm->what && path_is_absolute(pm->what)) {
if (pm && pm->what &&
path_is_absolute(pm->what) &&
!mount_is_network(pm)) {
r = unit_require_mounts_for(UNIT(m), pm->what);
if (r < 0)
return r;
@ -214,72 +283,6 @@ static int mount_add_mount_links(Mount *m) {
return 0;
}
static char* mount_test_option(const char *haystack, const char *needle) {
struct mntent me = { .mnt_opts = (char*) haystack };
assert(needle);
/* Like glibc's hasmntopt(), but works on a string, not a
* struct mntent */
if (!haystack)
return NULL;
return hasmntopt(&me, needle);
}
static bool mount_is_network(MountParameters *p) {
assert(p);
if (mount_test_option(p->options, "_netdev"))
return true;
if (p->fstype && fstype_is_network(p->fstype))
return true;
return false;
}
static bool mount_is_bind(MountParameters *p) {
assert(p);
if (mount_test_option(p->options, "bind"))
return true;
if (p->fstype && streq(p->fstype, "bind"))
return true;
if (mount_test_option(p->options, "rbind"))
return true;
if (p->fstype && streq(p->fstype, "rbind"))
return true;
return false;
}
static bool mount_is_auto(MountParameters *p) {
assert(p);
return !mount_test_option(p->options, "noauto");
}
static bool needs_quota(MountParameters *p) {
assert(p);
if (mount_is_network(p))
return false;
if (mount_is_bind(p))
return false;
return mount_test_option(p->options, "usrquota") ||
mount_test_option(p->options, "grpquota") ||
mount_test_option(p->options, "quota") ||
mount_test_option(p->options, "usrjquota") ||
mount_test_option(p->options, "grpjquota");
}
static int mount_add_device_links(Mount *m) {
MountParameters *p;
bool device_wants_mount = false;