X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fext3_fs.h;h=80171ee89a2222b8e00fb65b2220b4f0fcf78165;hb=785957d3e8c6fb37b18bf671923a76dbd8240025;hp=589b0b355d84d1967eac403c390f23e428eb33c2;hpb=059590f495f9c6e89cb018b9e612c3eec2336109;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 589b0b3..80171ee 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -72,8 +72,8 @@ * Macro-instructions used to manage several block sizes */ #define EXT3_MIN_BLOCK_SIZE 1024 -#define EXT3_MAX_BLOCK_SIZE 4096 -#define EXT3_MIN_BLOCK_LOG_SIZE 10 +#define EXT3_MAX_BLOCK_SIZE 65536 +#define EXT3_MIN_BLOCK_LOG_SIZE 10 #ifdef __KERNEL__ # define EXT3_BLOCK_SIZE(s) ((s)->s_blocksize) #else @@ -656,6 +656,26 @@ struct ext3_dir_entry_2 { #define EXT3_DIR_ROUND (EXT3_DIR_PAD - 1) #define EXT3_DIR_REC_LEN(name_len) (((name_len) + 8 + EXT3_DIR_ROUND) & \ ~EXT3_DIR_ROUND) +#define EXT3_MAX_REC_LEN ((1<<16)-1) + +static inline unsigned ext3_rec_len_from_disk(__le16 dlen) +{ + unsigned len = le16_to_cpu(dlen); + + if (len == EXT3_MAX_REC_LEN) + return 1 << 16; + return len; +} + +static inline __le16 ext3_rec_len_to_disk(unsigned len) +{ + if (len == (1 << 16)) + return cpu_to_le16(EXT3_MAX_REC_LEN); + else if (len > (1 << 16)) + BUG(); + return cpu_to_le16(len); +} + /* * Hash Tree Directory indexing * (c) Daniel Phillips, 2001 @@ -803,7 +823,7 @@ int ext3_get_blocks_handle(handle_t *handle, struct inode *inode, sector_t iblock, unsigned long maxblocks, struct buffer_head *bh_result, int create, int extend_disksize); -extern void ext3_read_inode (struct inode *); +extern struct inode *ext3_iget(struct super_block *, unsigned long); extern int ext3_write_inode (struct inode *, int); extern int ext3_setattr (struct dentry *, struct iattr *); extern void ext3_delete_inode (struct inode *); @@ -812,6 +832,7 @@ extern void ext3_discard_reservation (struct inode *); extern void ext3_dirty_inode(struct inode *); extern int ext3_change_inode_journal_flag(struct inode *, int); extern int ext3_get_inode_loc(struct inode *, struct ext3_iloc *); +extern int ext3_can_truncate(struct inode *inode); extern void ext3_truncate (struct inode *); extern void ext3_set_inode_flags(struct inode *); extern void ext3_get_inode_flags(struct ext3_inode_info *);