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pvfs_close: failed to delete XXX
during the BASE-DELETE test. It was a real bug, and could result in a
delete on close triggering for a handle that had never fully opened.
The problem was twofold:
1) irix returns 64 bit numbers in telldir(). The protocol uses a 32
bit resume key. We now cope with this properly using the code in
pvfs_list_seek_ofs().
2) irix returns 0xFFFFFFFF from telldir() for the last entry in the
directory. When added to DIR_OFFSET_BASE this became
DIR_OFFSET_DOTDOT which meant an infinite loop!
so we don't need them on the pvfs_file struct.
also we don't need to check is the handle has the correct session
as this is job of the frontend server
metze
- to use a struct ntvfs_handle instead of a uint16_t fnum.
(to make it independend from the frontend protocol)
- the allocation of handles now is provided by the frontend
(smbsrv_*) via callbacks and not by each backend module
- this also makes sure that file handles are only passed
to the ntvfs subsystem when the tcon and session matches,
so modules can rely on this and need to check this.
- this allows multiple modules in the ntvfs module chain
to allocate file handles. This can be used for virtual
files like "\\$Extend\\$Quota:$Q:$INDEX_ALLOCATION"...
- also this will make SMB2 with 128 bit file handles possible
metze
It doesn't fully work yet, and doesn't yet have all the efficiency
that is planned, but it doesn't break anything and I wanted to get the
code in the tree to minimise the chance of collisions with the work
metze is doing.
make sure file and search handles are cleaned up
before anything else in the pvfs_state struct,
as there destructors reply on a valid pvfs_state struct
metze
(for now we just do #define ntvfs_request smbsrv_request,
but it's the first step...)
- rename ntvfs_openfile() -> ntvfs_open()
- fix the talloc hierachie in some places in the ntvfs_map_*() code
metze
less likely that anyone will use pstring for new code
- got rid of winbind_client.h from includes.h. This one triggered a
huge change, as winbind_client.h was including system/filesys.h and
defining the old uint32 and uint16 types, as well as its own
pstring and fstring.
attributes (streams, EAs, NT ACLs, timestamps etc) to be used on
filesystems that don't support xattrs. It also allows for large
streams, although they are very inefficient.
I won't enable this by default, as I really wrote it as a way of
testing large stream support while still using ext3, but perhaps with
a bit more work this could be generally usable.
To enable this use:
posix:eadb = /home/test/myeas.tdb
The trickiest part about this was getting the sharing and locking
rules right, as alternate streams are separate locking spaces from the
main file for the purposes of byte range locking, and separate for
most share violation rules.
I suspect there are still problems with delete on close with alternate
data streams. I'll look at that next.
(the IDL, and the load/save meta-data logic)
- changed pvfs_resolve_name() to default to non-wildcard, needing
PVFS_RESOLVE_WILDCARD to enable wildcards. Most callers don't want
wildcards, so defaulting this way makes more sense.
- fixed deletion of EAs
preparation for adding code to pass the BASE-DENY1 and BASE-DENYDOS
tests, which require a shared filesystem handle for some specific
combinations of two DENY_DOS opens on the same connection.
- added initial support for MODE_INFORMATION in setfileinfo (I have no
idea what "mode information" on a file is - it takes a value of 0,
2, 4 or 6. What could it be?)
I decided to use IDL/NDR to encode the attribute, as it gives us a
simple way to describe and extend the saved attributes.
The xattr code needs to hook into quite a few more places in the pvfs
code, but this at least gets the basics done. I will start encoding
alternate data streams streams, DOS EAs etc soon using the same basic
mechanism.
I'll probably stick to "version 1" for the xattr.idl for quite a while
even though it will be changing, as I don't expect anyone to be
deploying this in production just yet. Once we have production users
we will need to keep compatibility by supporting all the old version
numbers in xattr.idl.
testing. Interestingly, w2k3 does not allow the cancel of an
outstanding async open request, whereas it does allow the cancel of an
outstanding async lock request. To support this I have changed the
pvfs_wait interface to provide a enum on why the event is happening,
so the callback can decide what to do.
deferred reply is short-circuited immediately when the file is
closed by another user, allowing it to be opened by the waiting user.
- added a sane set of timeval manipulation routines
- converted all the events code and code that uses it to use struct
timeval instead of time_t, which allows for microsecond resolution
instead of 1 second resolution. This was needed for doing the pvfs
deferred open code, and is why the patch is so big.
- auto-cleanup old searches that the client forgot to close (common with old searches)
- expanded the RAW-SEARCH test to test more than 256 old searches, and
old search rewind (w2k3 fails this - it appears to not support rewind
on old style searches)
