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HOW TO ADD A NEW FOP TO GlusterFS
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Steps to be followed when adding a new FOP to GlusterFS:
1. Edit glusterfs.h and add a GF_FOP_* constant.
2. Edit xlator.[ch] and:
2a. add the new prototype for fop and callback.
2b. edit xlator_fops structure.
3. Edit xlator.c and add to fill_defaults.
4. Edit protocol.h and add struct necessary for the new FOP.
5. Edit defaults.[ch] and provide default implementation.
6. Edit call-stub.[ch] and provide stub implementation.
7. Edit common-utils.c and add to gf_global_variable_init().
8. Edit client-protocol and add your FOP.
9. Edit server-protocol and add your FOP.
10. Implement your FOP in any translator for which the default implementation
is not sufficient.
==========================================
Last updated: Mon Oct 27 21:35:49 IST 2008
Author: Vikas Gorur <vikas@gluster.com>
==========================================
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