| libjio.h | libjio.h | |||
|---|---|---|---|---|
| skipping to change at line 28 | skipping to change at line 28 | |||
| #endif | #endif | |||
| /* logical structures */ | /* logical structures */ | |||
| /* the main file structure */ | /* the main file structure */ | |||
| struct jfs { | struct jfs { | |||
| int fd; /* main file descriptor */ | int fd; /* main file descriptor */ | |||
| char *name; /* and its name */ | char *name; /* and its name */ | |||
| int jdirfd; /* journal directory file descriptor */ | int jdirfd; /* journal directory file descriptor */ | |||
| int jfd; /* journal's lock file descriptor */ | int jfd; /* journal's lock file descriptor */ | |||
| int *jmap; /* journal's lock file mmap area */ | unsigned int *jmap; /* journal's lock file mmap area */ | |||
| int flags; /* journal flags */ | int flags; /* journal flags */ | |||
| struct jlinger *ltrans; /* lingered transactions */ | struct jlinger *ltrans; /* lingered transactions */ | |||
| pthread_mutex_t lock; /* a soft lock used in some operations */ | pthread_mutex_t lock; /* a soft lock used in some operations */ | |||
| }; | }; | |||
| /* a single operation */ | /* a single operation */ | |||
| struct joper { | struct joper { | |||
| int locked; /* is the region is locked? */ | int locked; /* is the region is locked? */ | |||
| off_t offset; /* operation's offset */ | off_t offset; /* operation's offset */ | |||
| size_t len; /* data length */ | size_t len; /* data length */ | |||
| skipping to change at line 113 | skipping to change at line 113 | |||
| int jfsck_cleanup(const char *name); | int jfsck_cleanup(const char *name); | |||
| /* UNIX API wrappers */ | /* UNIX API wrappers */ | |||
| ssize_t jread(struct jfs *fs, void *buf, size_t count); | ssize_t jread(struct jfs *fs, void *buf, size_t count); | |||
| ssize_t jpread(struct jfs *fs, void *buf, size_t count, off_t offset); | ssize_t jpread(struct jfs *fs, void *buf, size_t count, off_t offset); | |||
| ssize_t jreadv(struct jfs *fs, struct iovec *vector, int count); | ssize_t jreadv(struct jfs *fs, struct iovec *vector, int count); | |||
| ssize_t jwrite(struct jfs *fs, const void *buf, size_t count); | ssize_t jwrite(struct jfs *fs, const void *buf, size_t count); | |||
| ssize_t jpwrite(struct jfs *fs, const void *buf, size_t count, off_t offset ); | ssize_t jpwrite(struct jfs *fs, const void *buf, size_t count, off_t offset ); | |||
| ssize_t jwritev(struct jfs *fs, const struct iovec *vector, int count); | ssize_t jwritev(struct jfs *fs, const struct iovec *vector, int count); | |||
| int jtruncate(struct jfs *fs, off_t length); | int jtruncate(struct jfs *fs, off_t length); | |||
| off_t jlseek(struct jfs *fs, off_t offset, int whence); | ||||
| /* ANSI C stdio wrappers */ | /* ANSI C stdio wrappers */ | |||
| struct jfs *jfopen(const char *path, const char *mode); | struct jfs *jfopen(const char *path, const char *mode); | |||
| int jfclose(struct jfs *stream); | int jfclose(struct jfs *stream); | |||
| struct jfs *jfreopen(const char *path, const char *mode, struct jfs *stream ); | struct jfs *jfreopen(const char *path, const char *mode, struct jfs *stream ); | |||
| size_t jfread(void *ptr, size_t size, size_t nmemb, struct jfs *stream); | size_t jfread(void *ptr, size_t size, size_t nmemb, struct jfs *stream); | |||
| size_t jfwrite(const void *ptr, size_t size, size_t nmemb, struct jfs *stre am); | size_t jfwrite(const void *ptr, size_t size, size_t nmemb, struct jfs *stre am); | |||
| int jfileno(struct jfs *stream); | int jfileno(struct jfs *stream); | |||
| int jfeof(struct jfs *stream); | int jfeof(struct jfs *stream); | |||
| void jclearerr(struct jfs *stream); | void jclearerr(struct jfs *stream); | |||
| skipping to change at line 137 | skipping to change at line 138 | |||
| FILE *jfsopen(struct jfs *stream, const char *mode); | FILE *jfsopen(struct jfs *stream, const char *mode); | |||
| /* jfs constants */ | /* jfs constants */ | |||
| #define J_NOLOCK 1 /* don't lock the file before operating on i t */ | #define J_NOLOCK 1 /* don't lock the file before operating on i t */ | |||
| #define J_NOROLLBACK 2 /* no need to read rollback information */ | #define J_NOROLLBACK 2 /* no need to read rollback information */ | |||
| #define J_LINGER 3 /* use lingering transactions */ | #define J_LINGER 3 /* use lingering transactions */ | |||
| /* jtrans constants */ | /* jtrans constants */ | |||
| #define J_COMMITED 1 /* mark a transaction as commited */ | #define J_COMMITED 1 /* mark a transaction as commited */ | |||
| #define J_ROLLBACKED 2 /* mark a transaction as rollbacked */ | #define J_ROLLBACKED 2 /* mark a transaction as rollbacked */ | |||
| #define J_ROLLBACKING 3 /* mark a transaction as rollbacking */ | ||||
| /* disk constants */ | /* disk constants */ | |||
| #define J_DISKHEADSIZE 12 /* length of disk_header */ | #define J_DISKHEADSIZE 12 /* length of disk_header */ | |||
| #define J_DISKOPHEADSIZE 16 /* length of disk_operation header */ | #define J_DISKOPHEADSIZE 16 /* length of disk_operation header */ | |||
| /* jfsck constants (return values) */ | /* jfsck constants (return values) */ | |||
| #define J_ESUCCESS 0 /* success - shouldn't be used */ | #define J_ESUCCESS 0 /* success - shouldn't be used */ | |||
| #define J_ENOENT 1 /* no such file */ | #define J_ENOENT 1 /* no such file */ | |||
| #define J_ENOJOURNAL 2 /* no journal associated */ | #define J_ENOJOURNAL 2 /* no journal associated */ | |||
| #define J_ENOMEM 3 /* no enough free memory */ | #define J_ENOMEM 3 /* no enough free memory */ | |||
| End of changes. 3 change blocks. | ||||
| 1 lines changed or deleted | 3 lines changed or added | |||