1. NAME▲

inode_permission - Check for access rights to a given inode

2. SYNOPSIS ▲

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

3. ARGUMENTS ▲

inode
    Inode to check permission on

mask
    Right to check for (MAY_READ, MAY_WRITE, MAY_EXEC)

4. DESCRIPTION ▲

Check for read/write/execute permissions on an inode. We use fs[ug]id for this, letting us set arbitrary permissions for filesystem access without changing the « normal » UIDs which are used for other things.

When checking for MAY_APPEND, MAY_WRITE must also be set in mask.

5. COPYRIGHT ▲