30 lines
1.3 KiB
Diff
30 lines
1.3 KiB
Diff
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diff --git a/grub-core/fs/ext2.c b/grub-core/fs/ext2.c
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index e7dd78e..4953a15 100644
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--- a/grub-core/fs/ext2.c
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+++ b/grub-core/fs/ext2.c
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@@ -103,6 +103,7 @@ GRUB_MOD_LICENSE ("GPLv3+");
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#define EXT4_FEATURE_INCOMPAT_64BIT 0x0080
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#define EXT4_FEATURE_INCOMPAT_MMP 0x0100
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#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200
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+#define EXT4_FEATURE_INCOMPAT_CSUM_SEED 0x2000
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#define EXT4_FEATURE_INCOMPAT_ENCRYPT 0x10000
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/* The set of back-incompatible features this driver DOES support. Add (OR)
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@@ -123,10 +124,15 @@ GRUB_MOD_LICENSE ("GPLv3+");
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* mmp: Not really back-incompatible - was added as such to
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* avoid multiple read-write mounts. Safe to ignore for this
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* RO driver.
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+ * checksum seed: Not really back-incompatible - was added to allow tools
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+ * such as tune2fs to change the UUID on a mounted metadata
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+ * checksummed filesystem. Safe to ignore for now since the
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+ * driver doesn't support checksum verification. However, it
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+ * has to be removed from this list if the support is added later.
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*/
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#define EXT2_DRIVER_IGNORED_INCOMPAT ( EXT3_FEATURE_INCOMPAT_RECOVER \
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- | EXT4_FEATURE_INCOMPAT_MMP)
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-
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+ | EXT4_FEATURE_INCOMPAT_MMP \
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+ | EXT4_FEATURE_INCOMPAT_CSUM_SEED)
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#define EXT3_JOURNAL_MAGIC_NUMBER 0xc03b3998U
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