leases and F_NOTIFY in samba 3 & 4
Abhijith Das
adas at redhat.com
Mon Apr 10 20:17:05 GMT 2006
Hi List,
I understand that Samba uses F_SETLEASE, F_GETLEASE fcntls to implement
oplocks in linux. Atleast in Samba3.
Does Samba4 also use linux kernel leases? How much of a performance
impact is it to run Samba with oplocks disabled?
I'm about to implement lease support for GFS, but at the outset, there
seems to be a significant performance impact for the fs.
Also, can somebody comment on how the F_NOTIFY fcntl is used in Samba?
James, can you comment on leases/F_NOTIFY from a CxFS perspective?
Many thanks,
--Abhi
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