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Fixes the "NFS mounting of exported cd-rom causes panic" bug. Apparently
when the checkexp vfs support was added cd9660 was left out.
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returned is in 512-byte sectors, so if you're going to use it for
things like DVD, you need to divide the result by 4 (for 2048-byte
sectors). OK deraadt@
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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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Add an extra flag to hashinit telling if it should wait in malloc.
update all calls to hashinit.
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the device. NetBSD (mycroft) made a similar change yesterday but there
are vfs differences. Thanks to Hubert Feyrer for bringing this to our
attention.
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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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Eliminate bogus uses of V{READ,WRITE,EXEC}. Use S_I[RWX]{USR,GRP,OTH}
where appropriate.
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Most filesystems have a last modified date that is supplied,
however since that is not available on iso9660 could image creation
time be used instead? Currently it supplies 0, the beginning of time
as the parameter to inittodr.
This is so that when installing from a CD image, the file or directory
timestamps will be sane, not beginning of time.
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"goto start" after sleeping for locked iso_node in cd9660_lock, like
in ufs_lock.
NBPG may not be computable by the preprocessor. Make "do clustered io"
a run-time decision. Note: the compiler can optimize it away.
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