987a8290eb
robust by sleeping between every retry and by placing exclusive file lock on the blockdevice (bnc#886005) - libparted-make-BLKRRPART-more-robust.patch OBS-URL: https://build.opensuse.org/package/show/Base:System/parted?expand=0&rev=97
49 lines
1.6 KiB
Diff
49 lines
1.6 KiB
Diff
---
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libparted/arch/linux.c | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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Index: parted-3.1/libparted/arch/linux.c
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===================================================================
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--- parted-3.1.orig/libparted/arch/linux.c
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+++ parted-3.1/libparted/arch/linux.c
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@@ -40,6 +40,7 @@
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/utsname.h> /* for uname() */
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+#include <sys/file.h>
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#include <scsi/scsi.h>
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#include <assert.h>
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#ifdef ENABLE_DEVICE_MAPPER
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@@ -2901,14 +2902,15 @@ static int
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_kernel_reread_part_table (PedDevice* dev)
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{
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LinuxSpecific* arch_specific = LINUX_SPECIFIC (dev);
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- int retry_count = 9;
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+ int retry_count = 5;
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sync();
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+ flock(arch_specific->fd, LOCK_EX);
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while (ioctl (arch_specific->fd, BLKRRPART)) {
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retry_count--;
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sync();
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- if (retry_count == 3)
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- sleep(1); /* Pause to allow system to settle */
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+
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+ sleep(1); /* Pause to allow system to settle */
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if (!retry_count) {
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ped_exception_throw (
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@@ -2918,10 +2920,12 @@ _kernel_reread_part_table (PedDevice* de
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"table on %s (%s). As a result, it may not "
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"reflect all of your changes until after reboot."),
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dev->path, strerror (errno));
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+ flock(arch_specific->fd, LOCK_UN);
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return 0;
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}
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}
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+ flock(arch_specific->fd, LOCK_UN);
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return 1;
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}
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