diff options
Diffstat (limited to 'fs/internal.h')
| -rw-r--r-- | fs/internal.h | 46 |
1 files changed, 37 insertions, 9 deletions
diff --git a/fs/internal.h b/fs/internal.h index b67406435fc0..e7f02ae1e098 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -17,6 +17,7 @@ struct fs_context; struct pipe_inode_info; struct iov_iter; struct mnt_idmap; +struct ns_common; /* * block/bdev.c @@ -62,6 +63,9 @@ int do_mkdirat(int dfd, struct filename *name, umode_t mode); int do_symlinkat(struct filename *from, int newdfd, struct filename *to); int do_linkat(int olddfd, struct filename *old, int newdfd, struct filename *new, int flags); +int vfs_tmpfile(struct mnt_idmap *idmap, + const struct path *parentpath, + struct file *file, umode_t mode); /* * namespace.c @@ -183,6 +187,7 @@ extern struct open_how build_open_how(int flags, umode_t mode); extern int build_open_flags(const struct open_how *how, struct open_flags *op); struct file *file_close_fd_locked(struct files_struct *files, unsigned fd); +long do_ftruncate(struct file *file, loff_t length, int small); long do_sys_ftruncate(unsigned int fd, loff_t length, int small); int chmod_common(const struct path *path, umode_t mode); int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group, @@ -235,14 +240,16 @@ extern void mnt_pin_kill(struct mount *m); * fs/nsfs.c */ extern const struct dentry_operations ns_dentry_operations; +int open_namespace(struct ns_common *ns); /* * fs/stat.c: */ -int getname_statx_lookup_flags(int flags); int do_statx(int dfd, struct filename *filename, unsigned int flags, unsigned int mask, struct statx __user *buffer); +int do_statx_fd(int fd, unsigned int flags, unsigned int mask, + struct statx __user *buffer); /* * fs/splice.c: @@ -259,7 +266,7 @@ struct xattr_name { char name[XATTR_NAME_MAX + 1]; }; -struct xattr_ctx { +struct kernel_xattr_ctx { /* Value of attribute */ union { const void __user *cvalue; @@ -272,14 +279,15 @@ struct xattr_ctx { unsigned int flags; }; +ssize_t file_getxattr(struct file *file, struct kernel_xattr_ctx *ctx); +ssize_t filename_getxattr(int dfd, struct filename *filename, + unsigned int lookup_flags, struct kernel_xattr_ctx *ctx); +int file_setxattr(struct file *file, struct kernel_xattr_ctx *ctx); +int filename_setxattr(int dfd, struct filename *filename, + unsigned int lookup_flags, struct kernel_xattr_ctx *ctx); +int setxattr_copy(const char __user *name, struct kernel_xattr_ctx *ctx); +int import_xattr_name(struct xattr_name *kname, const char __user *name); -ssize_t do_getxattr(struct mnt_idmap *idmap, - struct dentry *d, - struct xattr_ctx *ctx); - -int setxattr_copy(const char __user *name, struct xattr_ctx *ctx); -int do_setxattr(struct mnt_idmap *idmap, struct dentry *dentry, - struct xattr_ctx *ctx); int may_write_xattr(struct mnt_idmap *idmap, struct inode *inode); #ifdef CONFIG_FS_POSIX_ACL @@ -310,3 +318,23 @@ ssize_t __kernel_write_iter(struct file *file, struct iov_iter *from, loff_t *po struct mnt_idmap *alloc_mnt_idmap(struct user_namespace *mnt_userns); struct mnt_idmap *mnt_idmap_get(struct mnt_idmap *idmap); void mnt_idmap_put(struct mnt_idmap *idmap); +struct stashed_operations { + void (*put_data)(void *data); + int (*init_inode)(struct inode *inode, void *data); +}; +int path_from_stashed(struct dentry **stashed, struct vfsmount *mnt, void *data, + struct path *path); +void stashed_dentry_prune(struct dentry *dentry); +/** + * path_mounted - check whether path is mounted + * @path: path to check + * + * Determine whether @path refers to the root of a mount. + * + * Return: true if @path is the root of a mount, false if not. + */ +static inline bool path_mounted(const struct path *path) +{ + return path->mnt->mnt_root == path->dentry; +} +void file_f_owner_release(struct file *file); |