Merge remote-tracking branch 'aneesh/for-upstream-5' into staging

1 files changed, 36 insertions, 18 deletions

diff --git a/fsdev/file-op-9p.h b/fsdev/file-op-9p.h
index 1eda342f69..8de8abfd5b 100644
--- a/fsdev/file-op-9p.h
+++ b/fsdev/file-op-9p.h
@@ -19,6 +19,7 @@
 #include <sys/stat.h>
 #include <sys/uio.h>
 #include <sys/vfs.h>
+
 #define SM_LOCAL_MODE_BITS    0600
 #define SM_LOCAL_DIR_MODE_BITS    0700
 
@@ -49,51 +50,68 @@ typedef struct FsCred
 
 struct xattr_operations;
 
+/* FsContext flag values */
+#define PATHNAME_FSCONTEXT 0x1
+
 typedef struct FsContext
 {
+    int flags;
     char *fs_root;
     SecModel fs_sm;
     uid_t uid;
     struct xattr_operations **xops;
+    /* fs driver specific data */
+    void *private;
 } 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 (*init)(struct FsContext *);
+    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;