forked from pool/systemd
d5320bfd62
- Add upstream patches 1025-udev-exclude-device-mapper-from-block-device-ownersh.patch 1026-udevd-inotify-modernizations.patch 1027-udev-synthesize-change-events-for-partitions-when-to.patch 1028-udev-link-config-fix-mem-leak.patch 1029-udev-try-first-re-reading-the-partition-table.patch 1030-udev-guard-REREADP-logic-with-open-O_ECXL.patch 1031-udev-make-sure-we-always-get-change-for-the-disk.patch 1032-udev-guard-REREADPT-by-exclusive-lock-instead-of-O_E.patch - Add upstream patches 1025-udev-exclude-device-mapper-from-block-device-ownersh.patch 1026-udevd-inotify-modernizations.patch 1027-udev-synthesize-change-events-for-partitions-when-to.patch 1028-udev-link-config-fix-mem-leak.patch 1029-udev-try-first-re-reading-the-partition-table.patch 1030-udev-guard-REREADP-logic-with-open-O_ECXL.patch 1031-udev-make-sure-we-always-get-change-for-the-disk.patch 1032-udev-guard-REREADPT-by-exclusive-lock-instead-of-O_E.patch OBS-URL: https://build.opensuse.org/request/show/236618 OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=662
30 lines
1.3 KiB
Diff
30 lines
1.3 KiB
Diff
From 02ba8fb3357daf57f6120ac512fb464a4c623419 Mon Sep 17 00:00:00 2001
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From: Kay Sievers <kay@vrfy.org>
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Date: Wed, 4 Jun 2014 16:21:19 +0200
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Subject: [PATCH] udev: guard REREADPT by exclusive lock instead of O_EXCL
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Signed-off-by: Robert Milasan <rmilasan@suse.com>
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---
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src/udev/udevd.c | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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Index: systemd-210/src/udev/udevd.c
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===================================================================
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--- systemd-210.orig/src/udev/udevd.c
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+++ systemd-210/src/udev/udevd.c
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@@ -758,9 +758,12 @@ static int synthesize_change(struct udev
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* partition table is found, and we will not get an event for
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* the disk.
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*/
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- fd = open(udev_device_get_devnode(dev), O_RDONLY|O_EXCL|O_CLOEXEC|O_NOFOLLOW|O_NONBLOCK);
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+ fd = open(udev_device_get_devnode(dev), O_RDONLY|O_CLOEXEC|O_NOFOLLOW|O_NONBLOCK);
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if (fd >= 0) {
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- r = ioctl(fd, BLKRRPART, 0);
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+ r = flock(fd, LOCK_EX|LOCK_NB);
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+ if (r >= 0)
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+ r = ioctl(fd, BLKRRPART, 0);
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+
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close(fd);
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if (r >= 0)
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part_table_read = true;
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