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From e819659256d139cd5faebb5c0ca3ad4ad95ccb27 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Sat, 21 Mar 2015 11:31:16 -0400
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Subject: [PATCH] fstab-generator: ignore invalid swap priority
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A failed priority is not something worth stopping boot over. Most people
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have only one swap device, in which case priority is irrelevant, and even
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if there is more than one swap device, they are all usable, and ignoring the
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priority field should only result in some loss of performance.
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The kernel will report the priority as -1 if not set, so it's easy for
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people to make this mistake.
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https://bugzilla.redhat.com/show_bug.cgi?id=1204336
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(cherry picked from commit e0952d9d021234e79f3a70f33a9e5d201872a417)
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---
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src/fstab-generator/fstab-generator.c | 23 ++++++++++++++++-------
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1 file changed, 16 insertions(+), 7 deletions(-)
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diff --git a/src/fstab-generator/fstab-generator.c b/src/fstab-generator/fstab-generator.c
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index 5662b5fde..8e2f522bd 100644
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--- a/src/fstab-generator/fstab-generator.c
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+++ b/src/fstab-generator/fstab-generator.c
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@@ -54,9 +54,10 @@ static int add_swap(
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bool noauto,
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bool nofail) {
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- _cleanup_free_ char *name = NULL, *unit = NULL, *lnk = NULL;
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+ _cleanup_free_ char *name = NULL, *unit = NULL, *lnk = NULL, *filtered = NULL;
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_cleanup_fclose_ FILE *f = NULL;
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int r, pri = -1;
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+ const char *opts;
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assert(what);
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assert(me);
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@@ -71,9 +72,17 @@ static int add_swap(
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return 0;
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}
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- r = fstab_find_pri(me->mnt_opts, &pri);
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- if (r < 0)
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- return log_error_errno(r, "Failed to parse priority: %m");
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+ opts = me->mnt_opts;
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+ r = fstab_find_pri(opts, &pri);
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+ if (r < 0) {
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+ log_error_errno(r, "Failed to parse priority, ignoring: %m");
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+
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+ /* Remove invalid pri field */
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+ r = fstab_filter_options(opts, "pri\0", NULL, NULL, &filtered);
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+ if (r < 0)
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+ return log_error_errno(r, "Failed to parse options: %m");
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+ opts = filtered;
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+ }
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name = unit_name_from_path(what, ".swap");
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if (!name)
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@@ -106,15 +115,15 @@ static int add_swap(
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if (pri >= 0)
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fprintf(f, "Priority=%i\n", pri);
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- if (!isempty(me->mnt_opts) && !streq(me->mnt_opts, "defaults"))
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- fprintf(f, "Options=%s\n", me->mnt_opts);
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+ if (!isempty(opts) && !streq(opts, "defaults"))
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+ fprintf(f, "Options=%s\n", opts);
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r = fflush_and_check(f);
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if (r < 0)
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return log_error_errno(r, "Failed to write unit file %s: %m", unit);
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/* use what as where, to have a nicer error message */
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- r = generator_write_timeouts(arg_dest, what, what, me->mnt_opts, NULL);
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+ r = generator_write_timeouts(arg_dest, what, what, opts, NULL);
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if (r < 0)
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return r;
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