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shared/mountpoint-util: for old kernels, assume "norecovery" is supported by btrfs

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Fixup for e3828d7103, as requested in
https://github.com/systemd/systemd/pull/32892#issuecomment-2117903328.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2024-05-21 10:39:39 +02:00 committed by Luca Boccassi
parent 72192b6cc9
commit 055b465a3f
1 changed files with 5 additions and 1 deletions
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6
src/basic/mountpoint-util.c
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@ -511,8 +511,12 @@ const char* fstype_norecovery_option(const char *fstype) {
* old name if the new name doesn't work. */
if (streq(fstype, "btrfs")) {
r = mount_option_supported(fstype, "rescue=nologreplay", NULL);
if (r == -EAGAIN) {
log_debug_errno(r, "Failed to check for btrfs 'rescue=nologreplay' option, assuming old kernel with 'norecovery': %m");
return "norecovery";
}
if (r < 0)
log_debug_errno(r, "Failed to check for btrfs rescue=nologreplay option, assuming it is not supported: %m");
log_debug_errno(r, "Failed to check for btrfs 'rescue=nologreplay' option, assuming it is not supported: %m");
if (r > 0)
return "rescue=nologreplay";
}