bdd4f5857f
- VFS: check for negative sizes in all truncate calls - VFS: update file size after truncating with fcntl(F_FREESP) - VFS: move pos/len checks for F_FREESP with l_len!=0 from FS to VFS - MFS: do not zero data block for small files when fully truncating - MFS: do not write out freed indirect blocks after freeing space - MFS: make truncate work correctly with differing zone/block sizes - tests: add new test50 for truncate call family
134 lines
5.0 KiB
C
134 lines
5.0 KiB
C
/* Function prototypes. */
|
|
|
|
/* Structs used in prototypes must be declared as such first. */
|
|
struct buf;
|
|
struct filp;
|
|
struct inode;
|
|
struct super_block;
|
|
|
|
|
|
/* cache.c */
|
|
_PROTOTYPE( zone_t alloc_zone, (Dev_t dev, zone_t z) );
|
|
_PROTOTYPE( void buf_pool, (void) );
|
|
_PROTOTYPE( void flushall, (Dev_t dev) );
|
|
_PROTOTYPE( void free_zone, (Dev_t dev, zone_t numb) );
|
|
_PROTOTYPE( struct buf *get_block, (Dev_t dev, block_t block,int only_search));
|
|
_PROTOTYPE( void invalidate, (Dev_t device) );
|
|
_PROTOTYPE( void put_block, (struct buf *bp, int block_type) );
|
|
_PROTOTYPE( void set_blocksize, (int blocksize) );
|
|
_PROTOTYPE( void rw_scattered, (Dev_t dev,
|
|
struct buf **bufq, int bufqsize, int rw_flag) );
|
|
|
|
/* device.c */
|
|
_PROTOTYPE( int block_dev_io, (int op, Dev_t dev, int proc, void *buf,
|
|
u64_t pos, int bytes, int flags) );
|
|
_PROTOTYPE( int dev_open, (endpoint_t driver_e, Dev_t dev, int proc,
|
|
int flags) );
|
|
_PROTOTYPE( void dev_close, (endpoint_t driver_e, Dev_t dev) );
|
|
_PROTOTYPE( int fs_clone_opcl, (void) );
|
|
_PROTOTYPE( int fs_new_driver, (void) );
|
|
|
|
/* inode.c */
|
|
_PROTOTYPE( struct inode *alloc_inode, (dev_t dev, mode_t bits) );
|
|
_PROTOTYPE( void dup_inode, (struct inode *ip) );
|
|
_PROTOTYPE( struct inode *find_inode, (Dev_t dev, int numb) );
|
|
_PROTOTYPE( void free_inode, (Dev_t dev, Ino_t numb) );
|
|
_PROTOTYPE( int fs_getnode, (void) );
|
|
_PROTOTYPE( int fs_putnode, (void) );
|
|
_PROTOTYPE( void init_inode_cache, (void) );
|
|
_PROTOTYPE( struct inode *get_inode, (Dev_t dev, int numb) );
|
|
_PROTOTYPE( void put_inode, (struct inode *rip) );
|
|
_PROTOTYPE( void update_times, (struct inode *rip) );
|
|
_PROTOTYPE( void rw_inode, (struct inode *rip, int rw_flag) );
|
|
_PROTOTYPE( void wipe_inode, (struct inode *rip) );
|
|
|
|
/* link.c */
|
|
_PROTOTYPE( int freesp_inode, (struct inode *rip, off_t st, off_t end) );
|
|
_PROTOTYPE( int fs_ftrunc, (void) );
|
|
_PROTOTYPE( int fs_link, (void) );
|
|
_PROTOTYPE( int fs_rdlink, (void) );
|
|
_PROTOTYPE( int fs_rename, (void) );
|
|
_PROTOTYPE( int fs_unlink, (void) );
|
|
_PROTOTYPE( int truncate_inode, (struct inode *rip, off_t len) );
|
|
|
|
/* main.c */
|
|
_PROTOTYPE( void reply, (int who, message *m_out) );
|
|
|
|
/* misc.c */
|
|
_PROTOTYPE( int fs_flush, (void) );
|
|
_PROTOTYPE( int fs_sync, (void) );
|
|
|
|
/* mount.c */
|
|
_PROTOTYPE( int fs_mountpoint, (void) );
|
|
_PROTOTYPE( int fs_readsuper, (void) );
|
|
_PROTOTYPE( int fs_unmount, (void) );
|
|
|
|
/* open.c */
|
|
_PROTOTYPE( int fs_create, (void) );
|
|
_PROTOTYPE( int fs_inhibread, (void) );
|
|
_PROTOTYPE( int fs_mkdir, (void) );
|
|
_PROTOTYPE( int fs_mknod, (void) );
|
|
_PROTOTYPE( int fs_newnode, (void) );
|
|
_PROTOTYPE( int fs_slink, (void) );
|
|
|
|
/* path.c */
|
|
_PROTOTYPE( int fs_lookup, (void) );
|
|
_PROTOTYPE( struct inode *advance, (struct inode *dirp,
|
|
char string[NAME_MAX], int chk_perm) );
|
|
_PROTOTYPE( int search_dir, (struct inode *ldir_ptr,
|
|
char string [NAME_MAX], ino_t *numb, int flag,
|
|
int check_permissions) );
|
|
|
|
|
|
/* protect.c */
|
|
_PROTOTYPE( int fs_chmod, (void) );
|
|
_PROTOTYPE( int fs_chown, (void) );
|
|
_PROTOTYPE( int fs_getdents, (void) );
|
|
_PROTOTYPE( int forbidden, (struct inode *rip, mode_t access_desired) );
|
|
_PROTOTYPE( int read_only, (struct inode *ip) );
|
|
|
|
/* read.c */
|
|
_PROTOTYPE( int fs_breadwrite, (void) );
|
|
_PROTOTYPE( int fs_readwrite, (void) );
|
|
_PROTOTYPE( struct buf *rahead, (struct inode *rip, block_t baseblock,
|
|
u64_t position, unsigned bytes_ahead) );
|
|
_PROTOTYPE( void read_ahead, (void) );
|
|
_PROTOTYPE( block_t read_map, (struct inode *rip, off_t pos) );
|
|
_PROTOTYPE( zone_t rd_indir, (struct buf *bp, int index) );
|
|
|
|
/* stadir.c */
|
|
_PROTOTYPE( int fs_fstatfs, (void) );
|
|
_PROTOTYPE( int fs_stat, (void) );
|
|
|
|
/* super.c */
|
|
_PROTOTYPE( bit_t alloc_bit, (struct super_block *sp, int map, bit_t origin));
|
|
_PROTOTYPE( void free_bit, (struct super_block *sp, int map,
|
|
bit_t bit_returned) );
|
|
_PROTOTYPE( int get_block_size, (dev_t dev) );
|
|
_PROTOTYPE( struct super_block *get_super, (Dev_t dev) );
|
|
_PROTOTYPE( int mounted, (struct inode *rip) );
|
|
_PROTOTYPE( int read_super, (struct super_block *sp) );
|
|
|
|
/* time.c */
|
|
_PROTOTYPE( int fs_utime, (void) );
|
|
|
|
/* utility.c */
|
|
_PROTOTYPE( time_t clock_time, (void) );
|
|
_PROTOTYPE( unsigned conv2, (int norm, int w) );
|
|
_PROTOTYPE( long conv4, (int norm, long x) );
|
|
_PROTOTYPE( int fetch_name, (char *path, int len, int flag) );
|
|
_PROTOTYPE( void mfs_nul_f, (char *file, int line, char *str, int len,
|
|
int maxlen) );
|
|
_PROTOTYPE( int mfs_min_f, (char *file, int line, int len1, int len2) );
|
|
_PROTOTYPE( int no_sys, (void) );
|
|
_PROTOTYPE( int isokendpt_f, (char *f, int l, int e, int *p, int ft));
|
|
_PROTOTYPE( void sanitycheck, (char *file, int line) );
|
|
#define SANITYCHECK sanitycheck(__FILE__, __LINE__)
|
|
|
|
/* write.c */
|
|
_PROTOTYPE( void clear_zone, (struct inode *rip, off_t pos, int flag) );
|
|
_PROTOTYPE( struct buf *new_block, (struct inode *rip, off_t position) );
|
|
_PROTOTYPE( void zero_block, (struct buf *bp) );
|
|
_PROTOTYPE( int write_map, (struct inode *, off_t, zone_t, int) );
|
|
|