daichi at freebsd.org
Tue Apr 15 06:42:31 UTC 2008
If anyone has no problems with p20-1 to p20-4, I am going to commit it
to HEAD. About p20-5, rwatson have pointed out that it maybe has the
same socket problem, so we are going to research for more while ;)
Daichi GOTO wrote:
> I should say that so sorry of my slow response. so sorry.
> We are developing unionfs step by step and still have 5 next patches.
> leads panic when "no error happens, eofflag is 0, response data is empty
> and DIAGNOSTIC is defined" while involving VOP_READDIR(9) from unionfs.
> This change fixes system hang-up using with NFS.
> fixed fs access issue mounting on devfs.
> fixed kern/109377.
> fixed rename panic issue
> fixed unix socket connection issue
> On our long unionfs running test, It looks like works very well. Would you
> try above patches? So sorry of my slow response. Please accept my deepest
> We are planing to commit above patches to 8-current. 7-release has been
> done. It is good time to commit it to current ;)
> Alexander V. Chernikov wrote:
>> Hello people!
>> At this moment unionfs has got at least following problems:
>> 1) File systems cannot mount onto upper/lower unionfs layer (partially
>> described in kern/117829)
>> 2) There are problems with multithreaded programs accessing(writing)
>> files on unionfs (kern/109950)
>> 3) As well there are problems with accessing unix sockets created on
>> upper/lower unionfs layers (kern/118346)
>> 4) Doing mv filename same-filename causes kernel to panic on 6.X (and
>> printing warning about VOP_RENAME in 7+)
>> 5) Making 'loops' when mounting unionfs causes kernel panic (kern/121385)
>> I have made patches solving first 4 problems
>> These patches are available at http://ipfw.ru/patches/
>> unionfs2.diff fixes fs mounting onto upper layer, unionfs_lmount.diff
>> fixes lower
>> unionfs_threads.diff and unionfs_unix.diff fixes cases 2) and 3)
>> unionfs_rename.diff fixes case with renaming
>> Can anybody comment/review ?
Daichi GOTO, http://people.freebsd.org/~daichi
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