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machines or some configurations or in some phase of the moon (we actually
don't know when or why) files disappeared. Since we've not been able to
track down the problem in two weeks intense debugging and we need -current
to be stable, back out everything to a state it had before UBC.
We apologise for the inconvenience.
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- get rid of VOP_BALLOCN and VOP_SIZE
- move the generic getpages and putpages into miscfs/genfs
- create a genfs_node which must be added to the top of the private portion
of each vnode for filsystems that want to use genfs_{get,put}pages
- rename genfs_mmap to vop_generic_mmap
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the filesystem if we're allowed to mmap the file.
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code is written mostly by Chuck Silvers <chuq@chuq.com>/<chs@netbsd.org>.
Tested for the past few weeks by many developers, should be in a pretty stable
state, but will require optimizations and additional cleanups.
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file system inode instead
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to commit this long ago.
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fstatfs(2), and getfsstat(2) so you will need to build a new kernel
before doing a "make build" or you will get "unimplemented syscall" errors.
The new struct statfs has the following featuires:
o Has a u_int32_t flags field--now softdep can have a real flag.
o Uses u_int32_t instead of longs (nicer on the alpha). Note: the man
page used to lie about setting invalid/unused fields to -1. SunOS does
that but our code never has.
o Gets rid of f_type completely. It hasn't been used since NetBSD 0.9
and having it there but always 0 is confusing. It is conceivable
that this may cause some old code to not compile but that is better
than silently breaking.
o Adds a mount_info union that contains the FSTYPE_args struct. This
means that "mount" can now tell you all the options a filesystem was
mounted with. This is especially nice for NFS.
Other changes:
o The linux statfs emulation didn't convert between BSD fs names
and linux f_type numbers. Now it does, since the BSD f_type
number is useless to linux apps (and has been removed anyway)
o FreeBSD's struct statfs is different from our (both old and new)
and thus needs conversion. Previously, the OpenBSD syscalls
were used without any real translation.
o mount(8) will now show extra info when invoked with no arguments.
However, to see *everything* you need to use the -v (verbose) flag.
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to be vop_generic_revoke, vop_generic_bwrite, vop_generic_islocked,
vop_generic_lock and vop_generic_unlock.
Create vop_generic_abortop and propogate change to all file systems.
Fix PR/371.
Get rid of locking in NULLFS (should be mostly unnecessary now except for
forced unmounts).
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some extra pathconf ops supported.
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NetBSD 970118 too.
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From NetBSD: Rename struct timespec fields to conform to POSIX.1b
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Fix vop_link, vop_symlink, and vop_remove semantics in several ways:
* Change the argument names to vop_link so they actually make sense.
* Implement vop_link and vop_symlink for all file systems, so they do proper
cleanup.
* Require the file system to decide whether or not linking and unlinking of
directories is allowed, and disable it for all current file systems.
Adosfs prototyping changes. Compiler warning police.
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osymh@gemini.oscs.montana.edu; netbsd pr#1720
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