ext4: reserve code points for the project quota feature (8b4953e1) · Commits · e / devices / android_kernel_sony_msm8998

fs/ext4/ext4.h

+7 −1

Original line number	Diff line number	Diff line
		@@ -374,6 +374,7 @@ struct flex_groups {
		#define EXT4_EA_INODE_FL 0x00200000 /* Inode used for large EA */
		#define EXT4_EOFBLOCKS_FL 0x00400000 /* Blocks allocated beyond EOF */
		#define EXT4_INLINE_DATA_FL 0x10000000 /* Inode has inline data. */
		#define EXT4_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
		#define EXT4_RESERVED_FL 0x80000000 /* reserved for ext4 lib */

		#define EXT4_FL_USER_VISIBLE 0x004BDFFF /* User visible flags */
		@@ -431,6 +432,7 @@ enum {
		EXT4_INODE_EA_INODE = 21, /* Inode used for large EA */
		EXT4_INODE_EOFBLOCKS = 22, /* Blocks allocated beyond EOF */
		EXT4_INODE_INLINE_DATA = 28, /* Data in inode. */
		EXT4_INODE_PROJINHERIT = 29, /* Create with parents projid */
		EXT4_INODE_RESERVED = 31, /* reserved for ext4 lib */
		};

		@@ -475,6 +477,7 @@ static inline void ext4_check_flag_values(void)
		CHECK_FLAG_VALUE(EA_INODE);
		CHECK_FLAG_VALUE(EOFBLOCKS);
		CHECK_FLAG_VALUE(INLINE_DATA);
		CHECK_FLAG_VALUE(PROJINHERIT);
		CHECK_FLAG_VALUE(RESERVED);
		}

		@@ -692,6 +695,7 @@ struct ext4_inode {
		__le32 i_crtime; /* File Creation time */
		__le32 i_crtime_extra; /* extra FileCreationtime (nsec << 2 \| epoch) */
		__le32 i_version_hi; /* high 32 bits for 64-bit version */
		__le32 i_projid; /* Project ID */
		};

		struct move_extent {
		@@ -1179,7 +1183,8 @@ struct ext4_super_block {
		__u8 s_encrypt_algos[4]; /* Encryption algorithms in use */
		__u8 s_encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
		__le32 s_lpf_ino; /* Location of the lost+found inode */
		__le32 s_reserved[100]; /* Padding to the end of the block */
		__le32 s_prj_quota_inum; /* inode for tracking project quota */
		__le32 s_reserved[99]; /* Padding to the end of the block */
		__le32 s_checksum; /* crc32c(superblock) */
		};

		@@ -1566,6 +1571,7 @@ static inline int ext4_encrypted_inode(struct inode *inode)
		*/
		#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM 0x0400
		#define EXT4_FEATURE_RO_COMPAT_READONLY 0x1000
		#define EXT4_FEATURE_RO_COMPAT_PROJECT 0x2000

		#define EXT4_FEATURE_INCOMPAT_COMPRESSION 0x0001
		#define EXT4_FEATURE_INCOMPAT_FILETYPE 0x0002

include/uapi/linux/fs.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -197,6 +197,7 @@ struct inodes_stat_t {
		#define FS_EXTENT_FL 0x00080000 /* Extents */
		#define FS_DIRECTIO_FL 0x00100000 /* Use direct i/o */
		#define FS_NOCOW_FL 0x00800000 /* Do not cow file */
		#define FS_PROJINHERIT_FL 0x20000000 /* Create with parents projid */
		#define FS_RESERVED_FL 0x80000000 /* reserved for ext2 lib */

		#define FS_FL_USER_VISIBLE 0x0003DFFF /* User visible flags */