I read the source code of orangefs-2.8.3-EXP recently , when I read the source
code in pvfs2-touch.c , I found that the main function of pvfs2-touch.c will
call the "PVFS_util_init_defaults" functions to initialize the pvfs2 server
each time we create a file . And the "PVFS_util_init_defaults" then call the
"fs-add.sm" , In the fs-add.sm ，I found that the client will send Message to
the server to get the server configuration, and then set the buffer size
according to configuration file.
So I want to know that why we must set the buffer size each time we
create a file ? In my opinion , this information ,like setting the tcp buffer
size , will be set at the process of establish the connection in general file
systems.
So I want to know that whether we should set the buffer size every time
we create a file or not ? If so, I want to know why we must set the buffer size
every time ?
Thank you very much._______________________________________________
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