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hw/9pfs: Abstract open state of fid to V9fsFidOpenState

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To implement synthetic file system in Qemu we may not really
require file descriptor and Dir *. Make generic code use
V9fsFidOpenState instead.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
This commit is contained in:
Aneesh Kumar K.V 2011-10-25 12:10:40 +05:30
parent 2c74c2cb4b
commit cc720ddb54
8 changed files with 179 additions and 141 deletions
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32
fsdev/file-op-9p.h
View file

@ -78,6 +78,8 @@ typedef struct V9fsPath {
char *data;
} V9fsPath;
typedef union V9fsFidOpenState V9fsFidOpenState;
void cred_init(FsCred *);
typedef struct FileOperations
@ -94,22 +96,26 @@ typedef struct FileOperations
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 *, 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 (*close)(FsContext *, V9fsFidOpenState *);
int (*closedir)(FsContext *, V9fsFidOpenState *);
int (*opendir)(FsContext *, V9fsPath *, V9fsFidOpenState *);
int (*open)(FsContext *, V9fsPath *, int, V9fsFidOpenState *);
int (*open2)(FsContext *, V9fsPath *, const char *,
int, FsCred *, V9fsFidOpenState *);
void (*rewinddir)(FsContext *, V9fsFidOpenState *);
off_t (*telldir)(FsContext *, V9fsFidOpenState *);
int (*readdir_r)(FsContext *, V9fsFidOpenState *,
struct dirent *, struct dirent **);
void (*seekdir)(FsContext *, V9fsFidOpenState *, off_t);
ssize_t (*preadv)(FsContext *, V9fsFidOpenState *,
const struct iovec *, int, off_t);
ssize_t (*pwritev)(FsContext *, V9fsFidOpenState *,
const struct iovec *, int, off_t);
int (*mkdir)(FsContext *, V9fsPath *, const char *, FsCred *);
int (*fstat)(FsContext *, int, struct stat *);
int (*fstat)(FsContext *, V9fsFidOpenState *, struct stat *);
int (*rename)(FsContext *, const char *, const char *);
int (*truncate)(FsContext *, V9fsPath *, off_t);
int (*fsync)(FsContext *, int, int);
int (*fsync)(FsContext *, V9fsFidOpenState *, int);
int (*statfs)(FsContext *s, V9fsPath *path, struct statfs *stbuf);
ssize_t (*lgetxattr)(FsContext *, V9fsPath *,
const char *, void *, size_t);