1FILE_PERMISSION(9)               The Linux VFS              FILE_PERMISSION(9)
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NAME

6       file_permission - check for additional access rights to a given file
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SYNOPSIS

9       int file_permission(struct file * file, int mask);
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ARGUMENTS

12       file
13           file to check access rights for
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15       mask
16           right to check for (MAY_READ, MAY_WRITE, MAY_EXEC)
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DESCRIPTION

19       Used to check for read/write/execute permissions on an already opened
20       file.
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NOTE

23       Do not use this function in new code. All access checks should be done
24       using inode_permission.
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27Kernel Hackers Manual 2.6.         June 2019                FILE_PERMISSION(9)
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