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hw/9pfs: Move fid pathname tracking to seperate data type.

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This enables us to add handles to track fids later. The
V9fsPath added is similar to V9fsString except that the
size include the NULL byte also.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
This commit is contained in:
Aneesh Kumar K.V 2011-09-09 15:14:18 +05:30
parent 02cb7f3a25
commit 2289be19ae
9 changed files with 552 additions and 303 deletions
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46
fsdev/file-op-9p.h
View file

@ -57,43 +57,53 @@ typedef struct FsContext
struct xattr_operations **xops;
} FsContext;
typedef struct V9fsPath {
int16_t size;
char *data;
} V9fsPath;
void cred_init(FsCred *);
typedef struct FileOperations
{
int (*lstat)(FsContext *, const char *, struct stat *);
ssize_t (*readlink)(FsContext *, const char *, char *, size_t);
int (*chmod)(FsContext *, const char *, FsCred *);
int (*chown)(FsContext *, const char *, FsCred *);
int (*mknod)(FsContext *, const char *, FsCred *);
int (*utimensat)(FsContext *, const char *, const struct timespec *);
int (*lstat)(FsContext *, V9fsPath *, struct stat *);
ssize_t (*readlink)(FsContext *, V9fsPath *, char *, size_t);
int (*chmod)(FsContext *, V9fsPath *, FsCred *);
int (*chown)(FsContext *, V9fsPath *, FsCred *);
int (*mknod)(FsContext *, V9fsPath *, const char *, FsCred *);
int (*utimensat)(FsContext *, V9fsPath *, const struct timespec *);
int (*remove)(FsContext *, const char *);
int (*symlink)(FsContext *, const char *, const char *, FsCred *);
int (*link)(FsContext *, const char *, const char *);
int (*symlink)(FsContext *, const char *, V9fsPath *,
const char *, FsCred *);
int (*link)(FsContext *, V9fsPath *, V9fsPath *, const char *);
int (*setuid)(FsContext *, uid_t);
int (*close)(FsContext *, int);
int (*closedir)(FsContext *, DIR *);
DIR *(*opendir)(FsContext *, const char *);
int (*open)(FsContext *, const char *, int);
int (*open2)(FsContext *, const char *, int, FsCred *);
DIR *(*opendir)(FsContext *, V9fsPath *);
int (*open)(FsContext *, V9fsPath *, int);
int (*open2)(FsContext *, V9fsPath *, const char *, int, FsCred *);
void (*rewinddir)(FsContext *, DIR *);
off_t (*telldir)(FsContext *, DIR *);
int (*readdir_r)(FsContext *, DIR *, struct dirent *, struct dirent **);
void (*seekdir)(FsContext *, DIR *, off_t);
ssize_t (*preadv)(FsContext *, int, const struct iovec *, int, off_t);
ssize_t (*pwritev)(FsContext *, int, const struct iovec *, int, off_t);
int (*mkdir)(FsContext *, const char *, FsCred *);
int (*mkdir)(FsContext *, V9fsPath *, const char *, FsCred *);
int (*fstat)(FsContext *, int, struct stat *);
int (*rename)(FsContext *, const char *, const char *);
int (*truncate)(FsContext *, const char *, off_t);
int (*truncate)(FsContext *, V9fsPath *, off_t);
int (*fsync)(FsContext *, int, int);
int (*statfs)(FsContext *s, const char *path, struct statfs *stbuf);
ssize_t (*lgetxattr)(FsContext *, const char *,
int (*statfs)(FsContext *s, V9fsPath *path, struct statfs *stbuf);
ssize_t (*lgetxattr)(FsContext *, V9fsPath *,
const char *, void *, size_t);
ssize_t (*llistxattr)(FsContext *, const char *, void *, size_t);
int (*lsetxattr)(FsContext *, const char *,
ssize_t (*llistxattr)(FsContext *, V9fsPath *, void *, size_t);
int (*lsetxattr)(FsContext *, V9fsPath *,
const char *, void *, size_t, int);
int (*lremovexattr)(FsContext *, const char *, const char *);
int (*lremovexattr)(FsContext *, V9fsPath *, const char *);
int (*name_to_path)(FsContext *, V9fsPath *, const char *, V9fsPath *);
int (*renameat)(FsContext *ctx, V9fsPath *olddir, const char *old_name,
V9fsPath *newdir, const char *new_name);
int (*unlinkat)(FsContext *ctx, V9fsPath *dir, const char *name, int flags);
void *opaque;
} FileOperations;