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INODE_PERMISSION(9) The Linux VFS INODE_PERMISSION(9)

NAME

inode_permission - check for access rights to a given inode

SYNOPSIS

int inode_permission(struct inode * inode, int mask);

ARGUMENTS

inode

inode to check permission on

mask

right to check for (MAY_READ, MAY_WRITE, MAY_EXEC)

DESCRIPTION

Used to check for read/write/execute permissions on an inode. We use “fsuid” for this, letting us set arbitrary permissions for filesystem access without changing the “normal” uids which are used for other things.

COPYRIGHT

May 2024 Kernel Hackers Manual 2.6.