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From 9c4641f42bbecf63ec0a0e05caacbccd5332b831 Mon Sep 17 00:00:00 2001
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From: Philipp Thomas <pth@suse.de>
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Date: Sun, 26 Mar 2017 22:34:00 -0700
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Subject: [PATCH] df: avoid querying excluded file systems
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* src/df.c (filter_mount_list): Avoid stat() on
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explicitly excluded file systems, which is especially
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significant in cases like `-x nfs` which may hang.
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* NEWS: Mention the bug fix.
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Upstream-commit: 7c228bc55ed3fd6d56a6ad135438066de2f54a30
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Signed-off-by: Kamil Dudka <kdudka@redhat.com>
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---
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src/df.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/src/df.c b/src/df.c
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index 5b9e8fd..e0ebed7 100644
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--- a/src/df.c
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+++ b/src/df.c
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@@ -632,9 +632,11 @@ filter_mount_list (bool devices_only)
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On Linux we probably have me_dev populated from /proc/self/mountinfo,
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however we still stat() in case another device was mounted later. */
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if ((me->me_remote && show_local_fs)
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+ || (!selected_fstype (me->me_type) || excluded_fstype (me->me_type))
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|| -1 == stat (me->me_mountdir, &buf))
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{
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- /* If remote, and showing just local, add ME for filtering later.
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+ /* If remote, and showing just local, or FS type is excluded,
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+ add ME for filtering later.
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If stat failed; add ME to be able to complain about it later. */
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buf.st_dev = me->me_dev;
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}
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--
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2.13.6
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