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ext2: recognize ext4 INCOMPAT_RECOVER flag
This is a flag specific for journalling in ext4. Add it to the list of ext4 features we ignore for read-only purposes. PR: 205668 MFC after: 1 week
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=292872
@ -187,6 +187,7 @@ struct csum {
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#define EXT2F_INCOMPAT_COMP 0x0001
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#define EXT2F_INCOMPAT_FTYPE 0x0002
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#define EXT2F_INCOMPAT_RECOVER 0x0004
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#define EXT2F_INCOMPAT_META_BG 0x0010
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#define EXT2F_INCOMPAT_EXTENTS 0x0040
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#define EXT2F_INCOMPAT_64BIT 0x0080
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@ -208,6 +209,7 @@ struct csum {
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*
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* We do not support these EXT4 features but they are irrelevant
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* for read-only support:
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* - EXT2F_INCOMPAT_RECOVER
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* - EXT2F_INCOMPAT_FLEX_BG
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* - EXT2F_INCOMPAT_META_BG
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*/
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@ -216,6 +218,7 @@ struct csum {
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EXT2F_ROCOMPAT_EXTRA_ISIZE)
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#define EXT2F_INCOMPAT_SUPP EXT2F_INCOMPAT_FTYPE
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#define EXT4F_RO_INCOMPAT_SUPP (EXT2F_INCOMPAT_EXTENTS | \
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EXT2F_INCOMPAT_RECOVER | \
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EXT2F_INCOMPAT_FLEX_BG | \
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EXT2F_INCOMPAT_META_BG )
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