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Sankar சங்கர் 2013-04-22 17:02:29 +05:30
parent e0e7618c8e
commit f2ae6c1536
1 changed files with 12 additions and 6 deletions
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18
simple.h
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@ -2,9 +2,21 @@
#define SIMPLEFS_DEFAULT_BLOCK_SIZE 4096 #define SIMPLEFS_DEFAULT_BLOCK_SIZE 4096
#define SIMPLEFS_FILENAME_MAXLEN 255 #define SIMPLEFS_FILENAME_MAXLEN 255
/* Hard-coded inode number for the root directory */
const int SIMPLEFS_ROOT_INODE_NUMBER = 1; const int SIMPLEFS_ROOT_INODE_NUMBER = 1;
/* The disk block where super block is stored */
const int SIMPLEFS_SUPERBLOCK_BLOCK_NUMBER = 0;
/* The disk block where the inodes are stored */
const int SIMPLEFS_INODESTORE_BLOCK_NUMBER = 1;
/* The disk block where the name+inode_number pairs of the
* contents of the root directory are stored */
const int SIMPLEFS_ROOTDIR_DATABLOCK_NUMBER = 2; const int SIMPLEFS_ROOTDIR_DATABLOCK_NUMBER = 2;
/* The name+inode_number pair for each file in a directory.
* This gets stored as the data for a directory */
struct simplefs_dir_record { struct simplefs_dir_record {
char filename[SIMPLEFS_FILENAME_MAXLEN]; char filename[SIMPLEFS_FILENAME_MAXLEN];
uint32_t inode_no; uint32_t inode_no;
@ -31,9 +43,3 @@ struct simplefs_super_block {
char padding[SIMPLEFS_DEFAULT_BLOCK_SIZE - (4 * sizeof(uint32_t)) - sizeof(struct simplefs_inode)]; char padding[SIMPLEFS_DEFAULT_BLOCK_SIZE - (4 * sizeof(uint32_t)) - sizeof(struct simplefs_inode)];
}; };
/*
struct simplefs_dir_contents {
uint32_t children_count;
struct simplefs_dir_record records[];
}; */