FILE_PERMISSION(9) The Linux VFS FILE_PERMISSION(9)NAMEfile_permission - check for additional access rights to a given file
SYNOPSIS
int file_permission(struct file * file, int mask);
ARGUMENTS
file
file to check access rights for
mask
right to check for (MAY_READ, MAY_WRITE, MAY_EXEC)
DESCRIPTION
Used to check for read/write/execute permissions on an already opened
file.
NOTE
Do not use this function in new code. All access checks should be done
using inode_permission.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 FILE_PERMISSION(9)