Eric Lee / smarc-fsl-linux-kernel

02 Nov, 2017

1 commit

  • b24413180   License cleanup: add SPDX GPL-2.0 license identifier to files with no license ... Browse Code »

    Many source files in the tree are missing licensing information, which
    makes it harder for compliance tools to determine the correct license.

    By default all files without license information are under the default
    license of the kernel, which is GPL version 2.

    Update the files which contain no license information with the 'GPL-2.0'
    SPDX license identifier. The SPDX identifier is a legally binding
    shorthand, which can be used instead of the full boiler plate text.

    This patch is based on work done by Thomas Gleixner and Kate Stewart and
    Philippe Ombredanne.

    How this work was done:

    Patches were generated and checked against linux-4.14-rc6 for a subset of
    the use cases:
    - file had no licensing information it it.
    - file was a */uapi/* one with no licensing information in it,
    - file was a */uapi/* one with existing licensing information,

    Further patches will be generated in subsequent months to fix up cases
    where non-standard license headers were used, and references to license
    had to be inferred by heuristics based on keywords.

    The analysis to determine which SPDX License Identifier to be applied to
    a file was done in a spreadsheet of side by side results from of the
    output of two independent scanners (ScanCode & Windriver) producing SPDX
    tag:value files created by Philippe Ombredanne. Philippe prepared the
    base worksheet, and did an initial spot review of a few 1000 files.

    The 4.13 kernel was the starting point of the analysis with 60,537 files
    assessed. Kate Stewart did a file by file comparison of the scanner
    results in the spreadsheet to determine which SPDX license identifier(s)
    to be applied to the file. She confirmed any determination that was not
    immediately clear with lawyers working with the Linux Foundation.

    Criteria used to select files for SPDX license identifier tagging was:
    - Files considered eligible had to be source code files.
    - Make and config files were included as candidates if they contained >5
    lines of source
    - File already had some variant of a license header in it (even if
    Reviewed-by: Philippe Ombredanne
    Reviewed-by: Thomas Gleixner
    Signed-off-by: Greg Kroah-Hartman

    Greg Kroah-Hartman
     

06 Nov, 2014

1 commit

  • a3816ab0e   fs: Convert show_fdinfo functions to void ... Browse Code »

    seq_printf functions shouldn't really check the return value.
    Checking seq_has_overflowed() occasionally is used instead.

    Update vfs documentation.

    Link: http://lkml.kernel.org/p/e37e6e7b76acbdcc3bb4ab2a57c8f8ca1ae11b9a.1412031505.git.joe@perches.com

    Cc: David S. Miller
    Cc: Al Viro
    Signed-off-by: Joe Perches
    [ did a few clean ups ]
    Signed-off-by: Steven Rostedt

    Joe Perches
     

18 Dec, 2012

1 commit

  • be77196b8   fs, notify: add procfs fdinfo helper ... Browse Code »

    This allow us to print out fsnotify details such as watchee inode, device,
    mask and optionally a file handle.

    For inotify objects if kernel compiled with exportfs support the output
    will be

    | pos: 0
    | flags: 02000000
    | inotify wd:3 ino:9e7e sdev:800013 mask:800afce ignored_mask:0 fhandle-bytes:8 fhandle-type:1 f_handle:7e9e0000640d1b6d
    | inotify wd:2 ino:a111 sdev:800013 mask:800afce ignored_mask:0 fhandle-bytes:8 fhandle-type:1 f_handle:11a1000020542153
    | inotify wd:1 ino:6b149 sdev:800013 mask:800afce ignored_mask:0 fhandle-bytes:8 fhandle-type:1 f_handle:49b1060023552153

    If kernel compiled without exportfs support, the file handle
    won't be provided but inode and device only.

    | pos: 0
    | flags: 02000000
    | inotify wd:3 ino:9e7e sdev:800013 mask:800afce ignored_mask:0
    | inotify wd:2 ino:a111 sdev:800013 mask:800afce ignored_mask:0
    | inotify wd:1 ino:6b149 sdev:800013 mask:800afce ignored_mask:0

    For fanotify the output is like

    | pos: 0
    | flags: 04002
    | fanotify flags:10 event-flags:0
    | fanotify mnt_id:12 mask:3b ignored_mask:0
    | fanotify ino:50205 sdev:800013 mask:3b ignored_mask:40000000 fhandle-bytes:8 fhandle-type:1 f_handle:05020500fb1d47e7

    To minimize impact on general fsnotify code the new functionality
    is gathered in fs/notify/fdinfo.c file.

    Signed-off-by: Cyrill Gorcunov
    Acked-by: Pavel Emelyanov
    Cc: Oleg Nesterov
    Cc: Andrey Vagin
    Cc: Al Viro
    Cc: Alexey Dobriyan
    Cc: James Bottomley
    Cc: "Aneesh Kumar K.V"
    Cc: Alexey Dobriyan
    Cc: Matthew Helsley
    Cc: "J. Bruce Fields"
    Cc: "Aneesh Kumar K.V"
    Cc: Tvrtko Ursulin
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Cyrill Gorcunov