Documentation/filesystems/idmappings.rst

55  2. u0:k20000:r10000
72  2. u0:k20000:r200
105  2. u500:k30000:r10000
183   would be mapped to id ``k1000``. So an inode's ``i_uid`` and ``i_gid`` field
184   would contain ``k1000``.
209  2. u20000:k10000:r10000
259  2. u0:k20000:r10000
270 2. Map the userspace id down into a kernel id in the second idmapping::
291 2. Map the userspace id down into a kernel id in the first idmapping::
362 2. Verify that the caller's kernel ids can be mapped up to userspace ids in the
402     make_kuid(u0:k0:r4294967295, u1000) = k1000
404 2. Verify that the caller's kernel ids can be mapped to userspace ids in the
411     from_kuid(u0:k0:r4294967295, k1000) = u1000
416 Example 2
430 2. Verify that the caller's kernel ids can be mapped up to userspace ids in the
458 2. Verify that the caller's kernel ids can be mapped up to userspace ids in the
480     make_kuid(u0:k0:r4294967295, u1000) = k1000
482 2. Map kernel ids up to userspace ids in the caller's idmapping::
484     from_kuid(u0:k10000:r10000, k1000) = u-1
501     make_kuid(u0:k0:r4294967295, u1000) = k1000
503 2. Map the kernel id up into a userspace id in the caller's idmapping::
505     from_kuid(u0:k10000:r10000, k1000) = u-1
529 2. Map the kernel id up into a userspace id in the caller's idmapping::
548 2. Map the kernel id up into a userspace id in the caller's idmapping::
797 Example 2 reconsidered
814 2. Translate the caller's VFS id into a kernel id in the filesystem's
847 2. Translate the caller's VFS id into a kernel id in the filesystem's
855        make_kuid(u0:k0:r4294967295, u1000) = k1000
860     from_kuid(u0:k0:r4294967295, k1000) = u1000
880     make_kuid(u0:k0:r4294967295, u1000) = k1000
882 2. Translate the kernel id into a VFS id in the mount's idmapping::
884     i_uid_into_vfsuid(k1000):
886       from_kuid(u0:k0:r4294967295, k1000) = u1000
919 2. Translate the kernel id into a VFS id in the mount's idmapping::
987 2. Translate the caller's VFS id into a kernel id in the filesystem's
995       make_kuid(u0:k0:r4294967295, u1000) = k1000
1000     from_kuid(u0:k0:r4294967295, k1000) = u1000
1017     make_kuid(u0:k0:r4294967295, u1000) = k1000
1019 2. Translate the kernel id into a VFS id in the mount's idmapping::
1021     i_uid_into_vfsuid(k1000):
1023       from_kuid(u0:k0:r4294967295, k1000) = u1000