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freebsd-nq/sys/fs
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John-Mark Gurney ad3b9257c2 Add locking to the kqueue subsystem. This also makes the kqueue subsystem 
a more complete subsystem, and removes the knowlege of how things are
implemented from the drivers.  Include locking around filter ops, so a
module like aio will know when not to be unloaded if there are outstanding
knotes using it's filter ops.

Currently, it uses the MTX_DUPOK even though it is not always safe to
aquire duplicate locks.  Witness currently doesn't support the ability
to discover if a dup lock is ok (in some cases).

Reviewed by:	green, rwatson (both earlier versions)
2004-08-15 06:24:42 +00:00
..
cd9660 Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
coda Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
deadfs Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
devfs Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
fdescfs Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
fifofs Add locking to the kqueue subsystem. This also makes the kqueue subsystem 2004-08-15 06:24:42 +00:00
hpfs Use bufdone(), not biodone(). 2004-08-08 13:20:43 +00:00
msdosfs Push all changes to disk before downgrading a mount from rw to ro. 2004-08-07 22:05:12 +00:00
ntfs Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
nullfs Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
nwfs Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
portalfs Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
procfs Remove advertising clause from University of California Regent's 2004-04-07 20:46:16 +00:00
pseudofs Commit a work-around for a more general bug involving process state: 2004-08-13 20:27:56 +00:00
smbfs Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
specfs use bufdone() not biodone(). 2004-08-08 13:23:05 +00:00
udf Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
umapfs Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00
unionfs Put a version element in the VFS filesystem configuration structure 2004-07-30 22:08:52 +00:00