Author: pfg
Date: Tue Dec 29 15:51:52 2015
New Revision: 292872
URL: https://svnweb.freebsd.org/changeset/base/292872
Log:
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
Modified:
head/sys/fs/ext2fs/ext2fs.h
Modified: head/sys/fs/ext2fs/ext2fs.h
==============================================================================
--- head/sys/fs/ext2fs/ext2fs.h Tue Dec 29 15:36:46 2015 (r292871)
+++ head/sys/fs/ext2fs/ext2fs.h Tue Dec 29 15:51:52 2015 (r292872)
@@ -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 )
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