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* Support -drive cache.direct=off live migration for POSIX files
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Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

Block pull request

 * Support -drive cache.direct=off live migration for POSIX files

# gpg: Signature made Sat 12 May 2018 10:27:51 BST
# gpg:                using RSA key 9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/block-pull-request:
  block/file-posix: add x-check-page-cache=on|off option
  block/file-posix: implement bdrv_co_invalidate_cache() on Linux
  checkpatch: reduce MAINTAINERS update message frequency
  checkpatch: emit a warning on file add/move/delete
  checkpatch: ignore email headers better
  checkpatch: check utf-8 content from a commit log when it's missing from charset
  checkpatch: add a --strict check for utf-8 in commit logs
  blockjob: drop block_job_pause/resume_all()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-05-14 17:52:46 +01:00
commit a9cb55a356
5 changed files with 202 additions and 48 deletions
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56
scripts/checkpatch.pl
View file

@ -224,9 +224,8 @@ our $NonptrType;
our $Type;
our $Declare;
our $UTF8 = qr {
[\x09\x0A\x0D\x20-\x7E] # ASCII
| [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
our $NON_ASCII_UTF8 = qr{
[\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
| \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
| [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
| \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
@ -235,6 +234,11 @@ our $UTF8 = qr {
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
}x;
our $UTF8 = qr{
[\x09\x0A\x0D\x20-\x7E] # ASCII
| $NON_ASCII_UTF8
}x;
# There are still some false positives, but this catches most
# common cases.
our $typeTypedefs = qr{(?x:
@ -1207,6 +1211,11 @@ sub process {
my $signoff = 0;
my $is_patch = 0;
my $in_header_lines = $file ? 0 : 1;
my $in_commit_log = 0; #Scanning lines before patch
my $reported_maintainer_file = 0;
my $non_utf8_charset = 0;
our @report = ();
our $cnt_lines = 0;
our $cnt_error = 0;
@ -1359,7 +1368,6 @@ sub process {
if ($line =~ /^diff --git.*?(\S+)$/) {
$realfile = $1;
$realfile =~ s@^([^/]*)/@@;
} elsif ($line =~ /^\+\+\+\s+(\S+)/) {
$realfile = $1;
$realfile =~ s@^([^/]*)/@@;
@ -1398,6 +1406,8 @@ sub process {
if ($line =~ /^\s*signed-off-by:/i) {
# This is a signoff, if ugly, so do not double report.
$signoff++;
$in_commit_log = 0;
if (!($line =~ /^\s*Signed-off-by:/)) {
ERROR("The correct form is \"Signed-off-by\"\n" .
$herecurr);
@ -1408,6 +1418,22 @@ sub process {
}
}
# Check if MAINTAINERS is being updated. If so, there's probably no need to
# emit the "does MAINTAINERS need updating?" message on file add/move/delete
if ($line =~ /^\s*MAINTAINERS\s*\|/) {
$reported_maintainer_file = 1;
}
# Check for added, moved or deleted files
if (!$reported_maintainer_file && !$in_commit_log &&
($line =~ /^(?:new|deleted) file mode\s*\d+\s*$/ ||
$line =~ /^rename (?:from|to) [\w\/\.\-]+\s*$/ ||
($line =~ /\{\s*([\w\/\.\-]*)\s*\=\>\s*([\w\/\.\-]*)\s*\}/ &&
(defined($1) || defined($2))))) {
$reported_maintainer_file = 1;
WARN("added, moved or deleted file(s), does MAINTAINERS need updating?\n" . $herecurr);
}
# Check for wrappage within a valid hunk of the file
if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) {
ERROR("patch seems to be corrupt (line wrapped?)\n" .
@ -1426,6 +1452,28 @@ sub process {
ERROR("Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . $hereptr);
}
# Check if it's the start of a commit log
# (not a header line and we haven't seen the patch filename)
if ($in_header_lines && $realfile =~ /^$/ &&
!($rawline =~ /^\s+\S/ ||
$rawline =~ /^(commit\b|from\b|[\w-]+:).*$/i)) {
$in_header_lines = 0;
$in_commit_log = 1;
}
# Check if there is UTF-8 in a commit log when a mail header has explicitly
# declined it, i.e defined some charset where it is missing.
if ($in_header_lines &&
$rawline =~ /^Content-Type:.+charset="(.+)".*$/ &&
$1 !~ /utf-8/i) {
$non_utf8_charset = 1;
}
if ($in_commit_log && $non_utf8_charset && $realfile =~ /^$/ &&
$rawline =~ /$NON_ASCII_UTF8/) {
WARN("8-bit UTF-8 used in possible commit log\n" . $herecurr);
}
# ignore non-hunk lines and lines being removed
next if (!$hunk_line || $line =~ /^-/);