Hello,
I've updated what was previously the change attribute patch for ext4
initially posted by Alexandre Ratchov. The previous patch was
introducing a change_attribute field, now it uses the i_version field of
the inode.
The i_version field is a counter that is set on every inode creation and
that is incremented every time the inode data is modified (similarly to
the "ctime" time-stamp).
The aim is to fulfill NFSv4 requirements for rfc3530.
For the moent, the counter is only a 32bit value but it is planned to be
64bit as required.
The patch is divided into 3 parts, the vfs layer, the ext4 specific code
and an user part to check i_version changes via stat.
Any comments are welcome.
regards,
Jean noel
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