smb/server/vfs.c

297 	v_len = ksmbd_vfs_getcasexattr(file_mnt_idmap(fp->filp),
298 				       fp->filp->f_path.dentry,
322  * @filp:	the file to apply the lock to
329 static int check_lock_range(struct file *filp, loff_t start, loff_t end,
333 	struct file_lock_context *ctx = locks_inode_context(file_inode(filp));
351 				if (flock->c.flc_file != filp) {
377 	struct file *filp = fp->filp;
379 	struct inode *inode = file_inode(filp);
389 			pr_err("no right to read(%pD)\n", fp->filp);
400 		ret = check_lock_range(filp, *pos, *pos + count - 1, READ);
407 	nbytes = kernel_read(filp, rbuf, count, pos);
413 	filp->f_pos = *pos;
421 	struct mnt_idmap *idmap = file_mnt_idmap(fp->filp);
436 				       fp->filp->f_path.dentry,
462 				 &fp->filp->f_path,
471 	fp->filp->f_pos = *pos;
494 	struct file *filp;
500 			pr_err("no right to write(%pD)\n", fp->filp);
506 	filp = fp->filp;
516 		err = check_lock_range(filp, *pos, *pos + count - 1, WRITE);
530 	err = kernel_write(filp, buf, count, pos);
536 	filp->f_pos = *pos;
540 		err = vfs_fsync_range(filp, offset, offset + *written, 0);
543 			       fp->filp, err);
581 		pr_err("failed to get filp for fid %llu\n", fid);
584 	err = vfs_fsync(fp->filp, 0);
822 	struct file *filp;
824 	filp = fp->filp;
830 		struct inode *inode = file_inode(filp);
833 			err = check_lock_range(filp, size,
836 			err = check_lock_range(filp, inode->i_size,
846 	err = vfs_truncate(&filp->f_path, size);
963  * @filp:	file pointer for IO
966 void ksmbd_vfs_set_fadvise(struct file *filp, __le32 option)
970 	mapping = filp->f_mapping;
976 		filp->f_flags |= O_SYNC;
978 		filp->f_ra.ra_pages = inode_to_bdi(mapping->host)->ra_pages * 2;
979 		spin_lock(&filp->f_lock);
980 		filp->f_mode &= ~FMODE_RANDOM;
981 		spin_unlock(&filp->f_lock);
983 		spin_lock(&filp->f_lock);
984 		filp->f_mode |= FMODE_RANDOM;
985 		spin_unlock(&filp->f_lock);
994 		return vfs_fallocate(fp->filp,
998 	return vfs_fallocate(fp->filp,
1007 	struct file *f = fp->filp;
1008 	struct inode *inode = file_inode(fp->filp);
1080 int ksmbd_vfs_unlink(struct file *filp)
1083 	struct dentry *dir, *dentry = filp->f_path.dentry;
1084 	struct mnt_idmap *idmap = file_mnt_idmap(filp);
1086 	err = mnt_want_write(filp->f_path.mnt);
1107 	mnt_drop_write(filp->f_path.mnt);
1139 	err = iterate_dir(fp->filp, &readdir_data.ctx);
1803 		pr_err("no right to read(%pD)\n", src_fp->filp);
1807 		pr_err("no right to write(%pD)\n", dst_fp->filp);
1822 			if (check_lock_range(src_fp->filp, src_off,
1825 			if (check_lock_range(dst_fp->filp, dst_off,
1831 	src_file_size = i_size_read(file_inode(src_fp->filp));
1841 		ret = vfs_copy_file_range(src_fp->filp, src_off,
1842 					  dst_fp->filp, dst_off, len, 0);
1844 			ret = vfs_copy_file_range(src_fp->filp, src_off,
1845 						  dst_fp->filp, dst_off, len,