ext4: add casefold flag to EXT4_INODE_* flags

No one currently needs EXT4_INODE_CASEFOLD, but add it to keep the
EXT4_INODE_* definitions in sync with the EXT4_*_FL definitions.

Also make it clearer that the casefold flag is only for directories.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Link: https://lore.kernel.org/r/20200510215252.87833-1-ebiggers@kernel.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 80866f124b9a94bc25513a4f391c3488f05196df..af60be906528335185d019e80d45b80567a5c9f8 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -425,7 +425,7 @@ struct flex_groups {
 /* 0x00400000 was formerly EXT4_EOFBLOCKS_FL */
 #define EXT4_INLINE_DATA_FL            0x10000000 /* Inode has inline data. */
 #define EXT4_PROJINHERIT_FL            0x20000000 /* Create with parents projid */
-#define EXT4_CASEFOLD_FL               0x40000000 /* Casefolded file */
+#define EXT4_CASEFOLD_FL               0x40000000 /* Casefolded directory */
 #define EXT4_RESERVED_FL               0x80000000 /* reserved for ext4 lib */
 
 #define EXT4_FL_USER_VISIBLE           0x705BDFFF /* User visible flags */
@@ -498,6 +498,7 @@ enum {
 /* 22 was formerly EXT4_INODE_EOFBLOCKS */
        EXT4_INODE_INLINE_DATA  = 28,   /* Data in inode. */
        EXT4_INODE_PROJINHERIT  = 29,   /* Create with parents projid */
+       EXT4_INODE_CASEFOLD     = 30,   /* Casefolded directory */
        EXT4_INODE_RESERVED     = 31,   /* reserved for ext4 lib */
 };
 
@@ -543,6 +544,7 @@ static inline void ext4_check_flag_values(void)
        CHECK_FLAG_VALUE(EA_INODE);
        CHECK_FLAG_VALUE(INLINE_DATA);
        CHECK_FLAG_VALUE(PROJINHERIT);
+       CHECK_FLAG_VALUE(CASEFOLD);
        CHECK_FLAG_VALUE(RESERVED);
 }