5be20c4ea7
SR: a few fixes, aimed for 13.1 RC2 - fsck updates - more mkfs sanity checks - qgroup rescan wait OBS-URL: https://build.opensuse.org/request/show/205320 OBS-URL: https://build.opensuse.org/package/show/filesystems/btrfsprogs?expand=0&rev=144
62 lines
1.8 KiB
Diff
62 lines
1.8 KiB
Diff
From 2fac6f99128560c5993a02d2de0cc3d8238f3b51 Mon Sep 17 00:00:00 2001
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From: David Sterba <dsterba@suse.cz>
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Date: Tue, 9 Jul 2013 18:39:24 +0200
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Subject: [PATCH 53/62] btrfs-progs: use reentrant localtime
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localtime may return NULL (when an error is detected eg. after setting
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tzname), followed by a segfault when the values is about to be used.
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localtime_r works, does not set tzname and does not return NULL.
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Signed-off-by: David Sterba <dsterba@suse.cz>
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Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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---
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btrfs-list.c | 10 ++++++----
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cmds-subvolume.c | 10 ++++++----
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2 files changed, 12 insertions(+), 8 deletions(-)
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diff --git a/btrfs-list.c b/btrfs-list.c
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index 4fab85882165..ea80bfeef2f1 100644
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--- a/btrfs-list.c
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+++ b/btrfs-list.c
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@@ -1337,10 +1337,12 @@ static void print_subvolume_column(struct root_info *subv,
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printf("%llu", subv->top_id);
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break;
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case BTRFS_LIST_OTIME:
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- if (subv->otime)
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- strftime(tstr, 256, "%Y-%m-%d %X",
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- localtime(&subv->otime));
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- else
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+ if (subv->otime) {
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+ struct tm tm;
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+
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+ localtime_r(&subv->otime, &tm);
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+ strftime(tstr, 256, "%Y-%m-%d %X", &tm);
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+ } else
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strcpy(tstr, "-");
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printf("%s", tstr);
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break;
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diff --git a/cmds-subvolume.c b/cmds-subvolume.c
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index ccb476274240..faf05cab2ad9 100644
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--- a/cmds-subvolume.c
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+++ b/cmds-subvolume.c
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@@ -898,10 +898,12 @@ static int cmd_subvol_show(int argc, char **argv)
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uuid_unparse(get_ri.puuid, uuidparse);
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printf("\tParent uuid: \t\t%s\n", uuidparse);
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- if (get_ri.otime)
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- strftime(tstr, 256, "%Y-%m-%d %X",
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- localtime(&get_ri.otime));
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- else
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+ if (get_ri.otime) {
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+ struct tm tm;
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+
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+ localtime_r(&get_ri.otime, &tm);
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+ strftime(tstr, 256, "%Y-%m-%d %X", &tm);
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+ } else
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strcpy(tstr, "-");
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printf("\tCreation time: \t\t%s\n", tstr);
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--
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1.8.3.1
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