Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 157 insertions, 0 deletions

diff --git a/fs/smb/client/cifsfs.h b/fs/smb/client/cifsfs.h
new file mode 100644
index 0000000000..41daebd220
--- /dev/null
+++ b/fs/smb/client/cifsfs.h
@@ -0,0 +1,157 @@
+/* SPDX-License-Identifier: LGPL-2.1 */
+/*
+ *
+ *   Copyright (c) International Business Machines  Corp., 2002, 2007
+ *   Author(s): Steve French (sfrench@us.ibm.com)
+ *
+ */
+
+#ifndef _CIFSFS_H
+#define _CIFSFS_H
+
+#include <linux/hash.h>
+
+#define ROOT_I 2
+
+/*
+ * ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down
+ * so that it will fit. We use hash_64 to convert the value to 31 bits, and
+ * then add 1, to ensure that we don't end up with a 0 as the value.
+ */
+static inline ino_t
+cifs_uniqueid_to_ino_t(u64 fileid)
+{
+	if ((sizeof(ino_t)) < (sizeof(u64)))
+		return (ino_t)hash_64(fileid, (sizeof(ino_t) * 8) - 1) + 1;
+
+	return (ino_t)fileid;
+
+}
+
+static inline void cifs_set_time(struct dentry *dentry, unsigned long time)
+{
+	dentry->d_fsdata = (void *) time;
+}
+
+static inline unsigned long cifs_get_time(struct dentry *dentry)
+{
+	return (unsigned long) dentry->d_fsdata;
+}
+
+extern struct file_system_type cifs_fs_type, smb3_fs_type;
+extern const struct address_space_operations cifs_addr_ops;
+extern const struct address_space_operations cifs_addr_ops_smallbuf;
+
+/* Functions related to super block operations */
+extern void cifs_sb_active(struct super_block *sb);
+extern void cifs_sb_deactive(struct super_block *sb);
+
+/* Functions related to inodes */
+extern const struct inode_operations cifs_dir_inode_ops;
+extern struct inode *cifs_root_iget(struct super_block *);
+extern int cifs_create(struct mnt_idmap *, struct inode *,
+		       struct dentry *, umode_t, bool excl);
+extern int cifs_atomic_open(struct inode *, struct dentry *,
+			    struct file *, unsigned, umode_t);
+extern struct dentry *cifs_lookup(struct inode *, struct dentry *,
+				  unsigned int);
+extern int cifs_unlink(struct inode *dir, struct dentry *dentry);
+extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *);
+extern int cifs_mknod(struct mnt_idmap *, struct inode *, struct dentry *,
+		      umode_t, dev_t);
+extern int cifs_mkdir(struct mnt_idmap *, struct inode *, struct dentry *,
+		      umode_t);
+extern int cifs_rmdir(struct inode *, struct dentry *);
+extern int cifs_rename2(struct mnt_idmap *, struct inode *,
+			struct dentry *, struct inode *, struct dentry *,
+			unsigned int);
+extern int cifs_revalidate_file_attr(struct file *filp);
+extern int cifs_revalidate_dentry_attr(struct dentry *);
+extern int cifs_revalidate_file(struct file *filp);
+extern int cifs_revalidate_dentry(struct dentry *);
+extern int cifs_invalidate_mapping(struct inode *inode);
+extern int cifs_revalidate_mapping(struct inode *inode);
+extern int cifs_zap_mapping(struct inode *inode);
+extern int cifs_getattr(struct mnt_idmap *, const struct path *,
+			struct kstat *, u32, unsigned int);
+extern int cifs_setattr(struct mnt_idmap *, struct dentry *,
+			struct iattr *);
+extern int cifs_fiemap(struct inode *, struct fiemap_extent_info *, u64 start,
+		       u64 len);
+
+extern const struct inode_operations cifs_file_inode_ops;
+extern const struct inode_operations cifs_symlink_inode_ops;
+extern const struct inode_operations cifs_namespace_inode_operations;
+
+
+/* Functions related to files and directories */
+extern const struct file_operations cifs_file_ops;
+extern const struct file_operations cifs_file_direct_ops; /* if directio mnt */
+extern const struct file_operations cifs_file_strict_ops; /* if strictio mnt */
+extern const struct file_operations cifs_file_nobrl_ops; /* no brlocks */
+extern const struct file_operations cifs_file_direct_nobrl_ops;
+extern const struct file_operations cifs_file_strict_nobrl_ops;
+extern int cifs_open(struct inode *inode, struct file *file);
+extern int cifs_close(struct inode *inode, struct file *file);
+extern int cifs_closedir(struct inode *inode, struct file *file);
+extern ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to);
+extern ssize_t cifs_direct_readv(struct kiocb *iocb, struct iov_iter *to);
+extern ssize_t cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to);
+extern ssize_t cifs_user_writev(struct kiocb *iocb, struct iov_iter *from);
+extern ssize_t cifs_direct_writev(struct kiocb *iocb, struct iov_iter *from);
+extern ssize_t cifs_strict_writev(struct kiocb *iocb, struct iov_iter *from);
+extern int cifs_flock(struct file *pfile, int cmd, struct file_lock *plock);
+extern int cifs_lock(struct file *, int, struct file_lock *);
+extern int cifs_fsync(struct file *, loff_t, loff_t, int);
+extern int cifs_strict_fsync(struct file *, loff_t, loff_t, int);
+extern int cifs_flush(struct file *, fl_owner_t id);
+extern int cifs_file_mmap(struct file *file, struct vm_area_struct *vma);
+extern int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma);
+extern const struct file_operations cifs_dir_ops;
+extern int cifs_dir_open(struct inode *inode, struct file *file);
+extern int cifs_readdir(struct file *file, struct dir_context *ctx);
+extern void cifs_pages_written_back(struct inode *inode, loff_t start, unsigned int len);
+extern void cifs_pages_write_failed(struct inode *inode, loff_t start, unsigned int len);
+extern void cifs_pages_write_redirty(struct inode *inode, loff_t start, unsigned int len);
+
+/* Functions related to dir entries */
+extern const struct dentry_operations cifs_dentry_ops;
+extern const struct dentry_operations cifs_ci_dentry_ops;
+
+extern struct vfsmount *cifs_d_automount(struct path *path);
+
+/* Functions related to symlinks */
+extern const char *cifs_get_link(struct dentry *, struct inode *,
+			struct delayed_call *);
+extern int cifs_symlink(struct mnt_idmap *idmap, struct inode *inode,
+			struct dentry *direntry, const char *symname);
+
+#ifdef CONFIG_CIFS_XATTR
+extern const struct xattr_handler *cifs_xattr_handlers[];
+extern ssize_t	cifs_listxattr(struct dentry *, char *, size_t);
+#else
+# define cifs_xattr_handlers NULL
+# define cifs_listxattr NULL
+#endif
+
+extern ssize_t cifs_file_copychunk_range(unsigned int xid,
+					struct file *src_file, loff_t off,
+					struct file *dst_file, loff_t destoff,
+					size_t len, unsigned int flags);
+
+extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
+extern void cifs_setsize(struct inode *inode, loff_t offset);
+extern int cifs_truncate_page(struct address_space *mapping, loff_t from);
+
+struct smb3_fs_context;
+extern struct dentry *cifs_smb3_do_mount(struct file_system_type *fs_type,
+					 int flags, struct smb3_fs_context *ctx);
+
+#ifdef CONFIG_CIFS_NFSD_EXPORT
+extern const struct export_operations cifs_export_ops;
+#endif /* CONFIG_CIFS_NFSD_EXPORT */
+
+/* when changing internal version - update following two lines at same time */
+#define SMB3_PRODUCT_BUILD 45
+#define CIFS_VERSION   "2.45"
+#endif				/* _CIFSFS_H */