cvs commit: src/sys/nfsclient nfs_bio.c

John Baldwin jhb at
Tue Jul 3 19:27:56 UTC 2007

On Tuesday 03 July 2007 02:30:56 pm John Baldwin wrote:
> jhb         2007-07-03 18:30:55 UTC
>   FreeBSD src repository
>   Modified files:
>     sys/nfsclient        nfs_bio.c 
>   Log:
>   Fix up NFS client write error handling. Errors are split into
>   recoverable and unrecoverable. For the former, we redirty the
>   buffer and hang onto it for future retries. For the latter (eg.
>   ESTALE), we discard the buffer and return the error back to the
>   user on the next syscall. This fixes a number of vfs panics and
>   fixes having a large number of dirty buffers (that cannot be
>   written out and reclaimed) from hanging around. Thanks to ups@
>   for discussions on this issue.
>   Reported by:    kris, Kai, others
>   Approved by:    re (kensmith)

Oops, forgot:

    Submitted by:   mohans
    MFC after:      1 week

John Baldwin

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