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Eric Biggers 065ab4c470 docs: ioctl-number: document fscrypt ioctl numbers 
The 'f' ioctls with numbers 19-26 decimal are currently used for fscrypt
(a.k.a. ext4/f2fs/ubifs encryption), and up to 39 decimal is reserved
for future fscrypt use, as per the comment in fs/ext4/ext4.h.  So the
reserved range is 13-27 hex.

Document this in ioctl-number.rst.

Signed-off-by: Eric Biggers <ebiggers@google.com>
2019-10-21 13:22:08 -07:00
..
botching-up-ioctls.rst docs: ioctl: convert to ReST 2019-07-15 09:20:26 -03:00
cdrom.rst docs: ioctl: convert to ReST 2019-07-15 09:20:26 -03:00
hdio.rst docs: ioctl: convert to ReST 2019-07-15 09:20:26 -03:00
index.rst docs: ioctl: add it to the uAPI guide 2019-07-15 09:20:28 -03:00
ioctl-decoding.rst docs: ioctl: convert to ReST 2019-07-15 09:20:26 -03:00
ioctl-number.rst docs: ioctl-number: document fscrypt ioctl numbers 2019-10-21 13:22:08 -07:00