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From: Anton A. <an...@us...> - 2002-04-15 00:45:31
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Changes by: antona Update of /cvsroot/linux-ntfs/linux-ntfs/include In directory usw-pr-cvs1:/tmp/cvs-serv29782 Modified Files: disk_io.h mft.h Log Message: Update headers to reflect changes in libntfs. Index: disk_io.h =================================================================== RCS file: /cvsroot/linux-ntfs/linux-ntfs/include/disk_io.h,v retrieving revision 1.10 retrieving revision 1.11 diff -U2 -r1.10 -r1.11 --- disk_io.h 14 Apr 2002 13:56:45 -0000 1.10 +++ disk_io.h 15 Apr 2002 00:45:28 -0000 1.11 @@ -27,147 +27,16 @@ #include "types.h" -/** - * ntfs_pwrite - positioned write to disk - * @fd: file descriptor to write to - * @b: data buffer to write to disk - * @count: number of bytes to write - * @pos: position in file descriptor to write to - * - * This function will write @count bytes of data @b to file descriptor @fd at - * position @pos. - * - * On success return bytes written (0 means nothing written). - * On error return -1 with errno set appropriately to the return code of - * either lseek, malloc, write or fdatasync. Or errno is EINVAL if b is null. - */ -__s64 ntfs_pwrite(int fd, const void *b, __s64 count, const __s64 pos); +extern __s64 ntfs_pread(const int fd, const __s64 pos, __s64 count, void *b); +extern __s64 ntfs_pwrite(int fd, const __s64 pos, __s64 count, const void *b); -/** - * mst_pwrite - multi sector transfer (mst) positioned write - * @fd: file descriptor to write to - * @b: data buffer to write to disk - * @count: number of bytes to write - * @pos: position in file descriptor to write to - * - * Multi sector transfer (mst) positioned write. This function will write - * @count bytes of data @b to file descriptor @fd at position @pos. - * - * On success return bytes written (0 means nothing written). - * On error return -1 with errno set appropriately to the return code of - * either lseek, malloc, write or fdatasync. Or errno is EINVAL if b is null. - */ -__s64 mst_pwrite(int fd, const void *b, __s64 count, const __s64 pos); - -/** - * ntfs_pread - positioned read from disk - * @fd: file descriptor to read from - * @b: output data buffer - * @bksize: size of each block - * @count: number of blocks to read - * @pos: position in file descriptor to read from - * - * This function will read @count @blocks of size @bksize bytes each from file - * descriptor @fd at position @pos into the buffer @b. - * - * On success, return the number of successfully read blocks. If this number is - * lower than @count this means that we have reached end of file. 0 means end - * of file or nothing to read (@count or @bksize is 0). On error, return -1 - * with errno set appropriately to the return code of either lseek or read, or - * to EINVAL in case the data pointer @b was NULL or the block size (@bksize) - * was not a multiple of NTFS_SECTOR_SIZE or @bksize was not a power of two. - * - * NOTE: If a read error is encountered we return -1 even if we have already - * read some blocks successfully (this is subject to change!!!). - */ -__s64 ntfs_pread(const int fd, void *b, const __u32 bksize, __s64 count, - const __s64 pos); - -/** - * mst_pread - multi sector transfer (mst) positioned read - * @fd: file descriptor to read from - * @b: output data buffer - * @bksize: size of each block - * @count: number of blocks to read - * @pos: position in file descriptor to read from - * - * Multi sector transfer (mst) positioned read. This function will read @count - * @blocks of size @bksize bytes each from file descriptor @fd at position @pos - * into the buffer @b. - * - * On success, return the number of successfully read blocks. If this number is - * lower than @count this means that we have reached end of file. 0 means end - * of file or nothing to read (@count or @bksize is 0). On error, return -1 - * with errno set appropriately to the return code of either lseek or read, or - * to EINVAL in case the data pointer @b was NULL or the block size (@bksize) - * was not a multiple of NTFS_SECTOR_SIZE or @bksize was not a power of two. - * - * NOTE: If an incomplete multi sector transfer has been detected the magic - * will have been changed to magic_BAAD but no error will be returned. - * I.e. it is possible that we return count blocks as being read but that - * any number (between zero and count!) of these blocks is actually - * subject to a multi sector transfer error. This should be detected by - * the caller by checking for the magic being "BAAD". - * - * NOTE: If a read error is encountered we return -1 even if we have already - * read some blocks successfully (this is subject to change!!!). - */ -__s64 mst_pread(const int fd, void *b, const __u32 bksize, __s64 count, - const __s64 pos); - -/** - * get_clusters - read ntfs clusters - * @vol: volume to read from - * @buf: output data buffer - * @lcn: starting logical cluster number - * @count: number of clusters to read - * - * Read @count ntfs clusters starting at logical cluster number @lcn from volume - * @vol into buffer @buf. Return number of clusters read or -ERRNO on error, - * where ERRNO is the error code. This function will do the error reporting so - * caller really only needs to check for sucess / failure. - * - * NOTE: @buf has to be at least of size vol->ClusterSize * @count. No checking - * is performed for this! - */ -int get_clusters(const ntfs_volume *vol, __u8 *buf, const __s64 lcn, - const int count); - -/** - * put_clusters - write ntfs clusters - * @vol: volume to write to - * @buf: data buffer to write to disk - * @lcn: starting logical cluster number - * @count: number of clusters to write - * - * Write @count ntfs clusters starting at logical cluster number @lcn from - * buffer @buf to volume @vol. Return @count on success or -ERRNO on error, - * where ERRNO is the error code. This function will do the error reporting so - * caller really only needs to check for sucess / failure. - */ -int put_clusters(ntfs_volume *vol, const __u8 *buf, const __s64 lcn, int count); - -int get_mft_records(const ntfs_volume *vol, const MFT_RECORD *mrec, - const MFT_REF *mref, const int count); - -extern __inline__ int get_mft_record(const ntfs_volume *vol, - const MFT_RECORD *mrec, - const MFT_REF *mref); - -int __read_file_record(const ntfs_volume *vol, const MFT_REF *mref, - MFT_RECORD **mrec, ATTR_RECORD **attr); - -/** - * put_mft_record - write a record to the mft - * @vol: volume to write to - * @buf: data buffer containing the mft record to write - * @mref: mft record number to write to - * - * Write mft record @mref from buffer @buf to volume @vol. Return 1 on - * success or -ERRNO on error, where ERRNO is the error code. This function - * will do the error reporting so caller really only needs to check for sucess - * / failure. - */ -int put_mft_record(ntfs_volume *vol, const __u8 *buf, - const MFT_REF *mref); +extern __s64 ntfs_mst_pread(const int fd, const __s64 pos, __s64 count, + const __u32 bksize, void *b); +extern __s64 ntfs_mst_pwrite(int fd, const __s64 pos, const __s64 count, + const __u32 bksize, const void *b); + +extern __s64 ntfs_read_clusters(const ntfs_volume *vol, const __s64 lcn, + __s64 count, void *b) +extern __s64 ntfs_write_clusters(ntfs_volume *vol, const __s64 lcn, + __s64 count, const void *b) #endif /* defined DISK_IO_H */ Index: mft.h =================================================================== RCS file: /cvsroot/linux-ntfs/linux-ntfs/include/mft.h,v retrieving revision 1.26 retrieving revision 1.27 diff -U2 -r1.26 -r1.27 --- mft.h 14 Apr 2002 13:56:45 -0000 1.26 +++ mft.h 15 Apr 2002 00:45:28 -0000 1.27 @@ -52,4 +52,16 @@ } +extern int get_mft_records(const ntfs_volume *vol, const MFT_RECORD *mrec, + const MFT_REF *mref, const int count); + +extern int get_mft_record(const ntfs_volume *vol, const MFT_RECORD *mrec, + const MFT_REF *mref); + +extern int __read_file_record(const ntfs_volume *vol, const MFT_REF *mref, + MFT_RECORD **mrec, ATTR_RECORD **attr); + +extern int put_mft_record(ntfs_volume *vol, const __u8 *buf, + const MFT_REF *mref); + #endif /* defined MFT_H */ |
