diff options
| author | Coly Li <coyli@suse.de> | 2007-10-16 18:38:25 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2007-10-17 18:49:59 -0400 |
| commit | f077d0d7ea5d65d01f2ce2e7131e964c13a32433 (patch) | |
| tree | 17022250e65dd332ea6da88e70df7df3f27725dc /include/linux/ext4_fs.h | |
| parent | 6f38c74f5a01c7bccf58f9d7ee47ea24fb45752f (diff) | |
ext4: Remove (partial, never completed) fragment support
Fragment support in ext2/3/4 was never implemented, and it probably will
never be implemented. So remove it from ext4.
Signed-off-by: Coly Li <coyli@suse.de>
Acked-by: Andreas Dilger <adilger@clusterfs.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'include/linux/ext4_fs.h')
| -rw-r--r-- | include/linux/ext4_fs.h | 35 |
1 files changed, 6 insertions, 29 deletions
diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h index cdee7aaa57a..3baeb996fd3 100644 --- a/include/linux/ext4_fs.h +++ b/include/linux/ext4_fs.h @@ -105,20 +105,6 @@ #define EXT4_BLOCK_ALIGN(size, blkbits) ALIGN((size), (1 << (blkbits))) /* - * Macro-instructions used to manage fragments - */ -#define EXT4_MIN_FRAG_SIZE 1024 -#define EXT4_MAX_FRAG_SIZE 4096 -#define EXT4_MIN_FRAG_LOG_SIZE 10 -#ifdef __KERNEL__ -# define EXT4_FRAG_SIZE(s) (EXT4_SB(s)->s_frag_size) -# define EXT4_FRAGS_PER_BLOCK(s) (EXT4_SB(s)->s_frags_per_block) -#else -# define EXT4_FRAG_SIZE(s) (EXT4_MIN_FRAG_SIZE << (s)->s_log_frag_size) -# define EXT4_FRAGS_PER_BLOCK(s) (EXT4_BLOCK_SIZE(s) / EXT4_FRAG_SIZE(s)) -#endif - -/* * Structure of a blocks group descriptor */ struct ext4_group_desc @@ -311,27 +297,24 @@ struct ext4_inode { __le32 i_generation; /* File version (for NFS) */ __le32 i_file_acl; /* File ACL */ __le32 i_dir_acl; /* Directory ACL */ - __le32 i_faddr; /* Fragment address */ + __le32 i_obso_faddr; /* Obsoleted fragment address */ union { struct { - __u8 l_i_frag; /* Fragment number */ - __u8 l_i_fsize; /* Fragment size */ + __le16 l_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */ __le16 l_i_file_acl_high; __le16 l_i_uid_high; /* these 2 fields */ __le16 l_i_gid_high; /* were reserved2[0] */ __u32 l_i_reserved2; } linux2; struct { - __u8 h_i_frag; /* Fragment number */ - __u8 h_i_fsize; /* Fragment size */ + __le16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */ __u16 h_i_mode_high; __u16 h_i_uid_high; __u16 h_i_gid_high; __u32 h_i_author; } hurd2; struct { - __u8 m_i_frag; /* Fragment number */ - __u8 m_i_fsize; /* Fragment size */ + __le16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */ __le16 m_i_file_acl_high; __u32 m_i_reserved2[2]; } masix2; @@ -419,8 +402,6 @@ do { \ #if defined(__KERNEL__) || defined(__linux__) #define i_reserved1 osd1.linux1.l_i_reserved1 -#define i_frag osd2.linux2.l_i_frag -#define i_fsize osd2.linux2.l_i_fsize #define i_file_acl_high osd2.linux2.l_i_file_acl_high #define i_uid_low i_uid #define i_gid_low i_gid @@ -431,8 +412,6 @@ do { \ #elif defined(__GNU__) #define i_translator osd1.hurd1.h_i_translator -#define i_frag osd2.hurd2.h_i_frag; -#define i_fsize osd2.hurd2.h_i_fsize; #define i_uid_high osd2.hurd2.h_i_uid_high #define i_gid_high osd2.hurd2.h_i_gid_high #define i_author osd2.hurd2.h_i_author @@ -440,8 +419,6 @@ do { \ #elif defined(__masix__) #define i_reserved1 osd1.masix1.m_i_reserved1 -#define i_frag osd2.masix2.m_i_frag -#define i_fsize osd2.masix2.m_i_fsize #define i_file_acl_high osd2.masix2.m_i_file_acl_high #define i_reserved2 osd2.masix2.m_i_reserved2 @@ -528,9 +505,9 @@ struct ext4_super_block { /*10*/ __le32 s_free_inodes_count; /* Free inodes count */ __le32 s_first_data_block; /* First Data Block */ __le32 s_log_block_size; /* Block size */ - __le32 s_log_frag_size; /* Fragment size */ + __le32 s_obso_log_frag_size; /* Obsoleted fragment size */ /*20*/ __le32 s_blocks_per_group; /* # Blocks per group */ - __le32 s_frags_per_group; /* # Fragments per group */ + __le32 s_obso_frags_per_group; /* Obsoleted fragments per group */ __le32 s_inodes_per_group; /* # Inodes per group */ __le32 s_mtime; /* Mount time */ /*30*/ __le32 s_wtime; /* Write time */ |