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disk/lvm: Add support for cachevol LV

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Mark cachevol LV's as ignored features, which is true only if they are
configured as "writethrough". This patch does not let GRUB boot from
"writeback" cache-enabled LV's.

Signed-off-by: Patrick Plenefisch <simonpatp@gmail.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Patrick Plenefisch 2024-11-11 13:18:39 -05:00 committed by Daniel Kiper
parent 9a37d61145
commit a16b4304a2
1 changed files with 1 additions and 0 deletions
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grub-core/disk/lvm.c
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@ -822,6 +822,7 @@ grub_lvm_detect (grub_disk_t disk,
* we can ignore for our read-only access.
*/
else if (grub_strncmp (p, "cache\"", sizeof ("cache\"") - 1) == 0 ||
grub_strncmp (p, "cache+CACHE_USES_CACHEVOL\"", sizeof ("cache+CACHE_USES_CACHEVOL\"") - 1) == 0 ||
grub_strncmp (p, "integrity\"", sizeof ("integrity\"") - 1) == 0)
{
struct ignored_feature_lv *ignored_feature = NULL;