31 May, 2019

1 commit

  • Based on 1 normalized pattern(s):

    this program is free software you can redistribute it and or modify
    it under the terms of the gnu general public license version 2 as
    published by the free software foundation this program is
    distributed in the hope that it will be useful but without any
    warranty without even the implied warranty of merchantability or
    fitness for a particular purpose see the gnu general public license
    for more details you should have received a copy of the gnu general
    public license along with this program if not write to free software
    foundation 51 franklin street fifth floor boston ma 02111 1301 usa

    extracted by the scancode license scanner the SPDX license identifier

    GPL-2.0-only

    has been chosen to replace the boilerplate/reference in 27 file(s).

    Signed-off-by: Thomas Gleixner
    Reviewed-by: Richard Fontana
    Reviewed-by: Alexios Zavras
    Reviewed-by: Steve Winslow
    Reviewed-by: Allison Randal
    Cc: linux-spdx@vger.kernel.org
    Link: https://lkml.kernel.org/r/20190528170026.981318839@linutronix.de
    Signed-off-by: Greg Kroah-Hartman

    Thomas Gleixner
     

25 Oct, 2011

2 commits

  • This helps in more control over debugging.
    root@qemu-img-64:~# ls /pass/123
    ls: cannot access /pass/123: No such file or directory
    root@qemu-img-64:~# cat /sys/kernel/debug/tracing/trace
    # tracer: nop
    #
    # TASK-PID CPU# TIMESTAMP FUNCTION
    # | | | | |
    ls-1536 [001] 70.928584: 9p_protocol_dump: clnt 18446612132784021504 P9_TWALK(tag = 1)
    000: 16 00 00 00 6e 01 00 01 00 00 00 02 00 00 00 01
    010: 00 03 00 31 32 33 00 00 00 ff ff ff ff 00 00 00

    ls-1536 [001] 70.928587:
    => trace_9p_protocol_dump
    => p9pdu_finalize
    => p9_client_rpc
    => p9_client_walk
    => v9fs_vfs_lookup
    => d_alloc_and_lookup
    => walk_component
    => path_lookupat
    ls-1536 [000] 70.929696: 9p_protocol_dump: clnt 18446612132784021504 P9_RLERROR(tag = 1)
    000: 0b 00 00 00 07 01 00 02 00 00 00 4e 03 00 02 00
    010: 00 00 00 00 03 00 02 00 00 00 00 00 ff 43 00 00

    ls-1536 [000] 70.929697:
    => trace_9p_protocol_dump
    => p9_client_rpc
    => p9_client_walk
    => v9fs_vfs_lookup
    => d_alloc_and_lookup
    => walk_component
    => path_lookupat
    => do_path_lookup

    Signed-off-by: Aneesh Kumar K.V
    Signed-off-by: Eric Van Hensbergen

    Aneesh Kumar K.V
     
  • * remove lot of update to different data structure
    * add a seperate callback for zero copy request.
    * above makes non zero copy code path simpler
    * remove conditionalizing TREAD/TREADDIR/TWRITE in the zero copy path
    * Fix the dotu p9_check_errors with zero copy. Add sufficient doc around
    * Add support for both in and output buffers in zero copy callback
    * pin and unpin pages in the same context
    * use helpers instead of defining page offset and rest of page ourself
    * Fix mem leak in p9_check_errors
    * Remove 'E' and 'F' in p9pdu_vwritef

    Signed-off-by: Aneesh Kumar K.V
    Signed-off-by: Eric Van Hensbergen

    Aneesh Kumar K.V
     

06 Mar, 2010

1 commit


18 Oct, 2008

2 commits

  • Now that the new protocol functions are in place, this patch switches
    the client code to using the new support code.

    Signed-off-by: Eric Van Hensbergen

    Eric Van Hensbergen
     
  • This adds a new protocol processing support code based on Anthony Liguori's
    9p library code. This code performs protocol marshalling/unmarshalling using
    printf like strings to represent protocol elements. It is my intent to use
    them to replace the current functions in conv.c as well as the
    p9_create_* functions.

    This should make the client implementation much more clear, and also make it
    much easier to add new protocol extensions by limiting the number of places
    in which changes need to be made.

    Signed-off-by: Eric Van Hensbergen

    Eric Van Hensbergen