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a7500bceb0
freebsd-dev/sys/nfsclient
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Paul Saab a7500bceb0 First cut of NFS direct IO support. 
- NFS direct IO completely bypasses the buffer and page caches.
  If a file is open for direct IO all caching is disabled.
- Direct IO for Directories will be addressed later.
- 2 new NFS directio related sysctls are added. One is a knob to
  disable NFS direct IO completely (direct IO is enabled by default).
  The other is to disallow mmaped IO on a file that has at least one
  O_DIRECT open (see the comment in nfs_vnops.c for more details).
  The default is to allow mmaps on a file that has O_DIRECT opens.

Submitted by:	Mohan Srinivasan mohans at yahoo-inc dot com
Obtained from:	Yahoo!
2004-12-15 22:20:22 +00:00
..
bootp_subr.c Convert a GIANT_REQUIRED; into a NET_ASSERT_GIANT();, as sockets are 2004-12-05 22:50:09 +00:00
krpc_subr.c Convert GIANT_REQUIRED to NET_ASSERT_GIANT where Giant is used to 2004-06-16 03:12:50 +00:00
krpc.h
nfs_bio.c First cut of NFS direct IO support. 2004-12-15 22:20:22 +00:00
nfs_diskless.c Move a relic to its correct location(s): Put nfs diskless initialization 2004-07-28 21:54:57 +00:00
nfs_lock.c For reasons unknown, the nfs locking code used a fifo to send requests to 2004-12-06 08:31:32 +00:00
nfs_lock.h For reasons unknown, the nfs locking code used a fifo to send requests to 2004-12-06 08:31:32 +00:00
nfs_nfsiod.c First cut of NFS direct IO support. 2004-12-15 22:20:22 +00:00
nfs_node.c Serialize NFS vinvalbuf operations by acquiring/upgrading to the 2004-12-06 18:52:28 +00:00
nfs_socket.c Always issue wakeups() to the NFS requestors under the mutex 2004-12-07 03:39:52 +00:00
nfs_subs.c Rewrite of the NFS client's reply handling. We now have NFS socket 2004-12-06 21:11:15 +00:00
nfs_vfsops.c First cut of NFS direct IO support. 2004-12-15 22:20:22 +00:00
nfs_vnops.c First cut of NFS direct IO support. 2004-12-15 22:20:22 +00:00
nfs.h First cut of NFS direct IO support. 2004-12-15 22:20:22 +00:00
nfsargs.h Remove advertising clause from University of California Regent's 2004-04-07 05:00:01 +00:00
nfsdiskless.h Remove advertising clause from University of California Regent's 2004-04-07 05:00:01 +00:00
nfsm_subs.h Rewrite of the NFS client's reply handling. We now have NFS socket 2004-12-06 21:11:15 +00:00
nfsmount.h Rewrite of the NFS client's reply handling. We now have NFS socket 2004-12-06 21:11:15 +00:00
nfsnode.h First cut of NFS direct IO support. 2004-12-15 22:20:22 +00:00
nfsstats.h Remove advertising clause from University of California Regent's 2004-04-07 05:00:01 +00:00
nlminfo.h