[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / minix / file.c

/*
 *  linux/fs/minix/file.c
 *
 *  Copyright (C) 1991, 1992 Linus Torvalds
 *
 *  minix regular file handling primitives
 */

#include "minix.h"

/*
 * We have mostly NULLs here: the current defaults are OK for
 * the minix filesystem.
 */
const struct file_operations minix_file_operations = {
	.llseek		= generic_file_llseek,
	.read		= do_sync_read,
	.aio_read	= generic_file_aio_read,
	.write		= do_sync_write,
	.aio_write	= generic_file_aio_write,
	.mmap		= generic_file_mmap,
	.fsync		= generic_file_fsync,
	.splice_read	= generic_file_splice_read,
};

static int minix_setattr(struct dentry *dentry, struct iattr *attr)
{
	struct inode *inode = dentry->d_inode;
	int error;

	error = inode_change_ok(inode, attr);
	if (error)
		return error;

	if ((attr->ia_valid & ATTR_SIZE) &&
	    attr->ia_size != i_size_read(inode)) {
		error = inode_newsize_ok(inode, attr->ia_size);
		if (error)
			return error;

		truncate_setsize(inode, attr->ia_size);
		minix_truncate(inode);
	}

	setattr_copy(inode, attr);
	mark_inode_dirty(inode);
	return 0;
}

const struct inode_operations minix_file_inode_operations = {
	.setattr	= minix_setattr,
	.getattr	= minix_getattr,
};
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/fs/minix/file.c
	3	*
	4	* Copyright (C) 1991, 1992 Linus Torvalds
	5	*
	6	* minix regular file handling primitives
	7	*/
	8
1da177e4 LT	9	#include "minix.h"
	10
	11	/*
	12	* We have mostly NULLs here: the current defaults are OK for
	13	* the minix filesystem.
	14	*/
4b6f5d20	15	const struct file_operations minix_file_operations = {
1da177e4	16	.llseek = generic_file_llseek,
543ade1f BP	17	.read = do_sync_read,
	18	.aio_read = generic_file_aio_read,
	19	.write = do_sync_write,
	20	.aio_write = generic_file_aio_write,
1da177e4	21	.mmap = generic_file_mmap,
1b061d92	22	.fsync = generic_file_fsync,
5ffc4ef4	23	.splice_read = generic_file_splice_read,
1da177e4 LT	24	};
1da177e4 LT	25
d39aae9e CH	26	static int minix_setattr(struct dentry dentry, struct iattr attr)
	27	{
	28	struct inode *inode = dentry->d_inode;
	29	int error;
	30
	31	error = inode_change_ok(inode, attr);
	32	if (error)
	33	return error;
1025774c CH	34
	35	if ((attr->ia_valid & ATTR_SIZE) &&
	36	attr->ia_size != i_size_read(inode)) {
7fc7cd00	37	error = inode_newsize_ok(inode, attr->ia_size);
1025774c CH	38	if (error)
1025774c CH	39	return error;
7fc7cd00 MS	40
	41	truncate_setsize(inode, attr->ia_size);
	42	minix_truncate(inode);
1025774c CH	43	}
	44
	45	setattr_copy(inode, attr);
	46	mark_inode_dirty(inode);
	47	return 0;
d39aae9e CH	48	}
d39aae9e CH	49
92e1d5be	50	const struct inode_operations minix_file_inode_operations = {
d39aae9e	51	.setattr = minix_setattr,
1da177e4 LT	52	.getattr = minix_getattr,
1da177e4 LT	53	};