7fc9190f0e
* gcc is kept at -Np0, because of void-cross
```sh
git grep -l '^patch_args=-Np0' "srcpkgs/$1*/template" |
while read template; do
for p in ${template%/template}/patches/*; do
sed -i '
\,^[+-][+-][+-] /dev/null,b
/^[*-]\+ [0-9]\+\(,[0-9]\+\)\? [*-]\+$/b
s,^[*][*][*] ,&a/,
/^--- /{
s,\(^--- \)\(./\)*,\1a/,
s,[.][Oo][Rr][Ii][Gg]\([ /]\),\1,
s/[.][Oo][Rr][Ii][Gg]$//
s/[.]patched[.]\([^.]\)/.\1/
h
}
/^+++ -/{
g
s/^--- a/+++ b/
b
}
s,\(^+++ \)\(./\)*,\1b/,
' "$p"
done
sed -i '/^patch_args=/d' $template
done
```
42 lines
1.3 KiB
Diff
42 lines
1.3 KiB
Diff
From b01b124b36f81a76d38eb0169e6d279a777646c9 Mon Sep 17 00:00:00 2001
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From: Martin Wilck <mwilck@arcor.de>
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Date: Thu, 19 Nov 2015 23:24:43 +0100
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Subject: [PATCH 3/5] gpart: use posix_fadvise to increase reading speed
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Use fadvise to tell the OS to try readahead.
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---
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configure.ac | 2 +-
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src/gpart.c | 4 ++++
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2 files changed, 5 insertions(+), 1 deletion(-)
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diff --git configure.ac configure.ac
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index 6eca1de..21dfc00 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -26,7 +26,7 @@ AC_TYPE_UINT8_T
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# Checks for library functions.
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AC_FUNC_MALLOC
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-AC_CHECK_FUNCS([getpagesize memset strchr strdup strerror strtoul])
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+AC_CHECK_FUNCS([getpagesize memset strchr strdup strerror strtoul posix_fadvise])
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# Configure system services.
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AC_SYS_LARGEFILE
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diff --git src/gpart.c src/gpart.c
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index bd3806a..63b36a5 100644
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--- a/src/gpart.c
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+++ b/src/gpart.c
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@@ -949,6 +949,10 @@ static void do_guess_loop(disk_desc *d)
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if ((d->d_fd = open(d->d_dev,O_RDONLY)) == -1)
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pr(FATAL,EM_OPENFAIL,d->d_dev,strerror(errno));
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+#if HAVE_POSIX_FADVISE
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+ posix_fadvise(d->d_fd, 0, 0, POSIX_FADV_SEQUENTIAL);
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+ posix_fadvise(d->d_fd, 0, 0, POSIX_FADV_WILLNEED);
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+#endif /* HAVE_POSIX_FADVISE */
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/*
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* initialize modules. Each should return the minimum
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* size in bytes it wants to receive for a test.
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--
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2.24.0
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