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mtools: fix race issue while mtools invoked frequently

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While invoking mtools frequently, the unblocking request
caused race issue. Here is an example of syslinux
[snip]
dd if=/dev/zero of=floppy.img bs=1024 count=144
losetup /dev/loop1 floppy.img
mkdosfs /dev/loop1
syslinux -i /dev/loop1
|plain floppy: device "/proc/6351/fd/3" busy (Resource temporarily unavailable):
|Cannot initialize 'S:'
|Bad target s:/ldlinux.sys
[snip]

The idea is from:
https://bugzilla.redhat.com/show_bug.cgi?id=1235016
https://groups.google.com/a/chromium.org/forum/#!msg/chromium-os-dev/bRPUCFHoBTQ/ZjB8kjjx1vUJ

(From OE-Core rev: 927fad7881841a58e1d88f3a6ce070eaa66ba1a5)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Hongxu Jia
2018-08-22 17:16:42 +08:00
committed by Richard Purdie
parent a24081dd28
commit 4253bded02
2 changed files with 45 additions and 0 deletions
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1
meta/recipes-devtools/mtools/mtools_4.0.18.bb
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@@ -31,6 +31,7 @@ SRC_URI = "${GNU_MIRROR}/mtools/mtools-${PV}.tar.bz2 \
file://mtools-makeinfo.patch \
file://no-x11.gplv3.patch \
file://0001-Continue-even-if-fs-size-is-not-divisible-by-sectors.patch \
file://0001-remove-LOCK_NB-to-use-blocking-request.patch \
"
SRC_URI_append_class-native = " file://disable-hardcoded-configs.patch"