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resctrl: Do not open directory for writing
When preparing for the removal of GNULIB commit 18dca21a32
removed the
unneeded O_DIRECTORY, but unfortunately started opening the directory for
writing which fails every time for a directory. There is also no need for that
as flock() works on O_RDONLY file descriptor as well, even for LOCK_EX.
https://bugzilla.redhat.com/1852741
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
This commit is contained in:
parent
518a4db628
commit
9d83281382
@ -456,7 +456,7 @@ VIR_ONCE_GLOBAL_INIT(virResctrl);
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static int
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virResctrlLockWrite(void)
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{
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int fd = open(SYSFS_RESCTRL_PATH, O_RDWR | O_CLOEXEC);
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int fd = open(SYSFS_RESCTRL_PATH, O_RDONLY | O_CLOEXEC);
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if (fd < 0) {
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virReportSystemError(errno, "%s", _("Cannot open resctrl"));
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