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ntfs3: add FS_IOC_GETFSLABEL ioctl

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Add support for the FS_IOC_GETFSLABEL ioctl.

Signed-off-by: Ethan Ferguson <ethan.ferguson@zetier.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
This commit is contained in:
Ethan Ferguson 2025-08-28 16:37:15 -04:00 committed by Konstantin Komarov
parent 80ff677b55
commit e4dff97009
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1 changed files with 10 additions and 0 deletions
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10
fs/ntfs3/file.c
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@ -49,6 +49,14 @@ static int ntfs_ioctl_fitrim(struct ntfs_sb_info *sbi, unsigned long arg)
return 0;
}
static int ntfs_ioctl_get_volume_label(struct ntfs_sb_info *sbi, u8 __user *buf)
{
if (copy_to_user(buf, sbi->volume.label, FSLABEL_MAX))
return -EFAULT;
return 0;
}
/*
* ntfs_ioctl - file_operations::unlocked_ioctl
*/
@ -64,6 +72,8 @@ long ntfs_ioctl(struct file *filp, u32 cmd, unsigned long arg)
switch (cmd) {
case FITRIM:
return ntfs_ioctl_fitrim(sbi, arg);
case FS_IOC_GETFSLABEL:
return ntfs_ioctl_get_volume_label(sbi, (u8 __user *)arg);
}
return -ENOTTY; /* Inappropriate ioctl for device. */
}