diff options
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index ae681002100a..14a97194b34b 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -53,6 +53,8 @@ struct swap_info_struct; struct seq_file; struct workqueue_struct; struct iov_iter; +struct fscrypt_info; +struct fscrypt_operations; extern void __init inode_init(void); extern void __init inode_init_early(void); @@ -70,7 +72,7 @@ extern int sysctl_protected_hardlinks; struct buffer_head; typedef int (get_block_t)(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create); -typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset, +typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, ssize_t bytes, void *private); typedef void (dax_iodone_t)(struct buffer_head *bh_map, int uptodate); @@ -320,6 +322,7 @@ struct writeback_control; #define IOCB_EVENTFD (1 << 0) #define IOCB_APPEND (1 << 1) #define IOCB_DIRECT (1 << 2) +#define IOCB_HIPRI (1 << 3) struct kiocb { struct file *ki_filp; @@ -678,6 +681,10 @@ struct inode { struct hlist_head i_fsnotify_marks; #endif +#if IS_ENABLED(CONFIG_FS_ENCRYPTION) + struct fscrypt_info *i_crypt_info; +#endif + void *i_private; /* fs or device private pointer */ }; @@ -1323,6 +1330,8 @@ struct super_block { #endif const struct xattr_handler **s_xattr; + const struct fscrypt_operations *s_cop; + struct hlist_bl_head s_anon; /* anonymous dentries for (nfs) exporting */ struct list_head s_mounts; /* list of mounts; _not_ for fs use */ struct block_device *s_bdev; @@ -1540,11 +1549,6 @@ extern int vfs_rename(struct inode *, struct dentry *, struct inode *, struct de extern int vfs_whiteout(struct inode *, struct dentry *); /* - * VFS dentry helper functions. - */ -extern void dentry_unhash(struct dentry *dentry); - -/* * VFS file helper functions. */ extern void inode_init_owner(struct inode *inode, const struct inode *dir, @@ -1709,9 +1713,9 @@ extern ssize_t __vfs_write(struct file *, const char __user *, size_t, loff_t *) extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *); extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *); extern ssize_t vfs_readv(struct file *, const struct iovec __user *, - unsigned long, loff_t *); + unsigned long, loff_t *, int); extern ssize_t vfs_writev(struct file *, const struct iovec __user *, - unsigned long, loff_t *); + unsigned long, loff_t *, int); extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *, loff_t, size_t, unsigned int); extern int vfs_clone_file_range(struct file *file_in, loff_t pos_in, @@ -2259,7 +2263,7 @@ extern long do_sys_open(int dfd, const char __user *filename, int flags, extern struct file *file_open_name(struct filename *, int, umode_t); extern struct file *filp_open(const char *, int, umode_t); extern struct file *file_open_root(struct dentry *, struct vfsmount *, - const char *, int); + const char *, int, umode_t); extern struct file * dentry_open(const struct path *, int, const struct cred *); extern int filp_close(struct file *, fl_owner_t id); @@ -2576,7 +2580,22 @@ static inline void i_readcount_inc(struct inode *inode) #endif extern int do_pipe_flags(int *, int); +enum kernel_read_file_id { + READING_FIRMWARE = 1, + READING_MODULE, + READING_KEXEC_IMAGE, + READING_KEXEC_INITRAMFS, + READING_POLICY, + READING_MAX_ID +}; + extern int kernel_read(struct file *, loff_t, char *, unsigned long); +extern int kernel_read_file(struct file *, void **, loff_t *, loff_t, + enum kernel_read_file_id); +extern int kernel_read_file_from_path(char *, void **, loff_t *, loff_t, + enum kernel_read_file_id); +extern int kernel_read_file_from_fd(int, void **, loff_t *, loff_t, + enum kernel_read_file_id); extern ssize_t kernel_write(struct file *, const char *, size_t, loff_t); extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *); extern struct file * open_exec(const char *); |