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ext2: recognize ext4 INCOMPAT_RECOVER flag

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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
This commit is contained in:
pfg 2015-12-29 15:51:52 +00:00
parent fce312af17
commit ea76029f56
1 changed files with 3 additions and 0 deletions
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3
sys/fs/ext2fs/ext2fs.h
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@ -187,6 +187,7 @@ struct csum {
#define EXT2F_INCOMPAT_COMP 0x0001
#define EXT2F_INCOMPAT_FTYPE 0x0002
#define EXT2F_INCOMPAT_RECOVER 0x0004
#define EXT2F_INCOMPAT_META_BG 0x0010
#define EXT2F_INCOMPAT_EXTENTS 0x0040
#define EXT2F_INCOMPAT_64BIT 0x0080
@ -208,6 +209,7 @@ struct csum {
*
* We do not support these EXT4 features but they are irrelevant
* for read-only support:
* - EXT2F_INCOMPAT_RECOVER
* - EXT2F_INCOMPAT_FLEX_BG
* - EXT2F_INCOMPAT_META_BG
*/
@ -216,6 +218,7 @@ struct csum {
EXT2F_ROCOMPAT_EXTRA_ISIZE)
#define EXT2F_INCOMPAT_SUPP EXT2F_INCOMPAT_FTYPE
#define EXT4F_RO_INCOMPAT_SUPP (EXT2F_INCOMPAT_EXTENTS | \
EXT2F_INCOMPAT_RECOVER | \
EXT2F_INCOMPAT_FLEX_BG | \
EXT2F_INCOMPAT_META_BG )