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diff -up nfs-utils-2.3.3/utils/mount/Makefile.am.orig nfs-utils-2.3.3/utils/mount/Makefile.am
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--- nfs-utils-2.3.3/utils/mount/Makefile.am.orig 2018-09-06 14:09:08.000000000 -0400
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+++ nfs-utils-2.3.3/utils/mount/Makefile.am 2018-10-25 10:27:33.881804941 -0400
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@@ -27,6 +27,7 @@ endif
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mount_nfs_LDADD = ../../support/nfs/libnfs.la \
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../../support/export/libexport.a \
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+ ../../support/misc/libmisc.a \
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$(LIBTIRPC)
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mount_nfs_SOURCES = $(mount_common)
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diff -up nfs-utils-2.3.3/utils/mount/stropts.c.orig nfs-utils-2.3.3/utils/mount/stropts.c
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--- nfs-utils-2.3.3/utils/mount/stropts.c.orig 2018-09-06 14:09:08.000000000 -0400
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+++ nfs-utils-2.3.3/utils/mount/stropts.c 2018-10-25 10:27:59.733825016 -0400
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@@ -48,6 +48,7 @@
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#include "version.h"
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#include "parse_dev.h"
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#include "conffile.h"
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+#include "misc.h"
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#ifndef NFS_PROGRAM
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#define NFS_PROGRAM (100003)
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@@ -1078,14 +1079,18 @@ static int nfsmount_fg(struct nfsmount_i
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if (nfs_try_mount(mi))
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return EX_SUCCESS;
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- if (errno == EBUSY)
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- /* The only cause of EBUSY is if exactly the desired
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- * filesystem is already mounted. That can arguably
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- * be seen as success. "mount -a" tries to optimise
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- * out this case but sometimes fails. Help it out
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- * by pretending everything is rosy
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+#pragma GCC diagnostic ignored "-Wdiscarded-qualifiers"
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+ if (errno == EBUSY && is_mountpoint(mi->node)) {
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+#pragma GCC diagnostic warning "-Wdiscarded-qualifiers"
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+ /*
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+ * EBUSY can happen when mounting a filesystem that
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+ * is already mounted or when the context= are
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+ * different when using the -o sharecache
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+ *
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+ * Only error out in the latter case.
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*/
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return EX_SUCCESS;
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+ }
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if (nfs_is_permanent_error(errno))
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break;
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