<div dir="ltr"><div dir="ltr">It would be great if you can point at the requirements, or new additions you are talking about.<div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Oct 15, 2019 at 12:26 PM Anoop C S <<a href="mailto:anoopcs@cryptolab.net">anoopcs@cryptolab.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi all,<br>
<br>
This is to check and confirm whether we have an API(or an internal<br>
implementation which can be exposed as API) to perform operations on an<br>
open file descriptor as a wrapper around existing fcntl() system call.<br>
We do have specific APIs for locks(glfs_posix_lock) and file descriptor<br>
duplication(glfs_dup) which are important among those operations listed<br>
as per man fcntl(2). </blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<br>
At present we have a requirement(very recent) from Samba to set file<br>
descriptor flags through its VFS layer which would need a corresponding<br>
mechanism inside GlusterFS. Due to its absence, VFS module for<br>
GlusterFS inside Samba will have to workaround with the hack of<br>
creating fake local file descriptors outside GlusterFS.<br>
<br>
Thoughts and suggestions are welcome.<br>
<br></blockquote><div><br></div><div>If there is a need have a feature, it makes sense to extend fd_t structure and provide it inside. If my memory serve right, we didn't support fcntl() behavior in gluster as there was no fcntl() through fuse when we started.. </div><div><br></div><div>Would be good to understand what is needed, and then start working on design discussions. (if it makes sense).</div><div><br></div><div>-Amar</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Anoop C S.<br>
<br>
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