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Commit 52656e6c authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: clean up f2fs_ioctl functions 



This patch cleans up f2fs_ioctl functions for better readability.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 8a21984d

fs/f2fs/file.c

+75 −63
Original line number Diff line number Diff line
@@ -805,20 +805,21 @@ static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) 
		return flags & F2FS_OTHER_FLMASK;

}



long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)

static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)

{

	struct inode *inode = file_inode(filp);

	struct f2fs_inode_info *fi = F2FS_I(inode);

	unsigned int flags;

	int ret;



	switch (cmd) {

	case F2FS_IOC_GETFLAGS:

		flags = fi->i_flags & FS_FL_USER_VISIBLE;

	unsigned int flags = fi->i_flags & FS_FL_USER_VISIBLE;

	return put_user(flags, (int __user *)arg);

	case F2FS_IOC_SETFLAGS:

}



static int f2fs_ioc_setflags(struct file *filp, unsigned long arg)

{

	struct inode *inode = file_inode(filp);

	struct f2fs_inode_info *fi = F2FS_I(inode);

	unsigned int flags = fi->i_flags & FS_FL_USER_VISIBLE;

	unsigned int oldflags;

	int ret;



	ret = mnt_want_write_file(filp);

	if (ret)
@@ -860,12 +861,14 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) 
	mnt_drop_write_file(filp);

	return ret;

}

	case FITRIM:



static int f2fs_ioc_fitrim(struct file *filp, unsigned long arg)

{

	struct inode *inode = file_inode(filp);

	struct super_block *sb = inode->i_sb;

	struct request_queue *q = bdev_get_queue(sb->s_bdev);

	struct fstrim_range range;

		int ret = 0;

	int ret;



	if (!capable(CAP_SYS_ADMIN))

		return -EPERM;
@@ -886,9 +889,18 @@ long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) 
	if (copy_to_user((struct fstrim_range __user *)arg, &range,

				sizeof(range)))

		return -EFAULT;



	return 0;

}



long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)

{

	switch (cmd) {

	case F2FS_IOC_GETFLAGS:

		return f2fs_ioc_getflags(filp, arg);

	case F2FS_IOC_SETFLAGS:

		return f2fs_ioc_setflags(filp, arg);

	case FITRIM:

		return f2fs_ioc_fitrim(filp, arg);

	default:

		return -ENOTTY;

	}