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Commit 9b90e5e0 authored by Theodore Ts'o's avatar Theodore Ts'o
Browse files

ext4: reserve new feature flag codepoints 



Reserve the ext4 features flags EXT4_FEATURE_RO_COMPAT_METADATA_CSUM,
EXT4_FEATURE_INCOMPAT_INLINEDATA, and EXT4_FEATURE_INCOMPAT_LARGEDIR.

Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
parent 1d526fc9

fs/ext4/ext4.h

+3 −0
Original line number Diff line number Diff line
@@ -1407,6 +1407,7 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei) 
#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE	0x0040

#define EXT4_FEATURE_RO_COMPAT_QUOTA		0x0100

#define EXT4_FEATURE_RO_COMPAT_BIGALLOC		0x0200

#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM	0x0400



#define EXT4_FEATURE_INCOMPAT_COMPRESSION	0x0001

#define EXT4_FEATURE_INCOMPAT_FILETYPE		0x0002
@@ -1419,6 +1420,8 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei) 
#define EXT4_FEATURE_INCOMPAT_FLEX_BG		0x0200

#define EXT4_FEATURE_INCOMPAT_EA_INODE		0x0400 /* EA in inode */

#define EXT4_FEATURE_INCOMPAT_DIRDATA		0x1000 /* data in dirent */

#define EXT4_FEATURE_INCOMPAT_INLINEDATA	0x2000 /* data in inode */

#define EXT4_FEATURE_INCOMPAT_LARGEDIR		0x4000 /* >2GB or 3-lvl htree */



#define EXT2_FEATURE_COMPAT_SUPP	EXT4_FEATURE_COMPAT_EXT_ATTR

#define EXT2_FEATURE_INCOMPAT_SUPP	(EXT4_FEATURE_INCOMPAT_FILETYPE| \