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| author | Mole Shang <[email protected]> | 2024-02-19 22:27:10 +0800 |
|---|---|---|
| committer | Mole Shang <[email protected]> | 2024-02-19 22:28:50 +0800 |
| commit | 274be9d77a4d5f47201b7901ef23059e568ca031 (patch) | |
| tree | 73a38934b109b4bc860c0c9c26d07395f47c5925 /kernel/fs.h | |
| parent | 09ba9112386d5d59d7f2a31c469768c582acb939 (diff) | |
| download | xv6-labs-274be9d77a4d5f47201b7901ef23059e568ca031.tar.gz xv6-labs-274be9d77a4d5f47201b7901ef23059e568ca031.tar.bz2 xv6-labs-274be9d77a4d5f47201b7901ef23059e568ca031.zip | |
Revert "lab fs/bigfile: finish"mmap
This reverts commit 659b978caa5c97bbc2477d1393461c944544a1a7.
Diffstat (limited to 'kernel/fs.h')
| -rw-r--r-- | kernel/fs.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/kernel/fs.h b/kernel/fs.h index 9ae5ece..139dcc9 100644 --- a/kernel/fs.h +++ b/kernel/fs.h @@ -24,10 +24,8 @@ struct superblock { #define FSMAGIC 0x10203040 -#define NDIRECT 11 -#define NSG_INDIRECT (BSIZE / sizeof(uint)) -#define NDB_INDIRECT (NSG_INDIRECT * NSG_INDIRECT) -#define NINDIRECT (NSG_INDIRECT + NDB_INDIRECT) +#define NDIRECT 12 +#define NINDIRECT (BSIZE / sizeof(uint)) #define MAXFILE (NDIRECT + NINDIRECT) // On-disk inode structure @@ -37,7 +35,7 @@ struct dinode { short minor; // Minor device number (T_DEVICE only) short nlink; // Number of links to inode in file system uint size; // Size of file (bytes) - uint addrs[NDIRECT+2]; // Data block addresses + uint addrs[NDIRECT+1]; // Data block addresses }; // Inodes per block. |