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ext4: add casefold flag to EXT4_INODE_* flags

PATCH Applied Eric Biggers 2 participants 2 messages May 10, 2020 – May 28, 2020 ext4 file system

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Eric Biggers

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PATCH 1/1 ext4: add casefold flag to EXT4_INODE_* flags

From: Eric Biggers <[email protected]>

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 <[email protected]>
---
 fs/ext4/ext4.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
fs/ext4/ext4.h +3 -1
index 91eb4381cae5b7..daa1f4d180c900 100644
@@ -417,7 +417,7 @@ 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 */

@@ -490,6 +490,7 @@ 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 */
 };
 

@@ -535,6 +536,7 @@ 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);
 }
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2.26.2
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Quoted 8 lines · Eric Biggers

From: Eric Biggers <[email protected]>

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 <[email protected]>

Thanks, applied.

- Ted