Fixes: FS#749 Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>master
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From 31873d5cdf8a97d5f7921451c54f6d293293c6cc Mon Sep 17 00:00:00 2001
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From: Jaegeuk Kim <jaegeuk@kernel.org>
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Date: Wed, 23 Aug 2017 13:33:00 -0700
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Subject: [PATCH] mkfs.f2fs: fix missing cpu_to_le64 for checkpoint version
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The error on mips was reported by Stijn as follow.
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Commit 8399a29df92d6867d226df362edbf2e0efa527c1 in f2fs-tools
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("mkfs.f2fs: give random checkpoint version") causes a bug when mounting
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a filesystem created with it on a MIPS64 device running a 4.4(.83)
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kernel. The following kernel warning appears several times per second,
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for 30 seconds:
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[ 23.837262] ------------[ cut here ]------------
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[ 23.842039] WARNING: CPU: 0 PID: 935 at fs/f2fs/segment.c:718
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update_sit_entry+0x1c0/0x2b0()
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[ 23.850507] Modules linked in: pppoe ppp_async l2tp_ppp iptable_nat
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[ 24.174064] Call Trace:
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[ 24.176527] [<ffffffff81126e14>] show_stack+0x68/0xb4
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[ 24.181595] [<ffffffff81321fc4>] dump_stack+0x8c/0xc4
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[ 24.186660] [<ffffffff8113d004>] warn_slowpath_common+0xa0/0xd0
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[ 24.192597] [<ffffffff812e0148>] update_sit_entry+0x1c0/0x2b0
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[ 24.198353] [<ffffffff812e0a70>] refresh_sit_entry+0x70/0xf8
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[ 24.204022] [<ffffffff812e251c>] allocate_data_block+0x1f0/0x310
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[ 24.210038] [<ffffffff812e28d8>] do_write_page+0x29c/0x2bc
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[ 24.215532] [<ffffffff812e2a88>] write_data_page+0xa0/0xd8
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[ 24.221028] [<ffffffff812d844c>] do_write_data_page+0xe4/0x384
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[ 24.226870] [<ffffffff812d88f4>] f2fs_write_data_page+0x208/0x464
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[ 24.232972] [<ffffffff812d5184>] __f2fs_writepage+0x1c/0x74
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[ 24.238553] [<ffffffff812d54dc>]
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f2fs_write_cache_pages.constprop.7+0x250/0x394
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[ 24.245869] [<ffffffff812d57f4>] f2fs_write_data_pages+0x130/0x1b0
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[ 24.252066] [<ffffffff811a9f80>] __filemap_fdatawrite_range+0xa0/0xd4
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[ 24.258515] [<ffffffff812d2338>] sync_dirty_dir_inodes+0x94/0xd8
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[ 24.264530] [<ffffffff812d2484>] write_checkpoint+0x108/0xb9c
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[ 24.270283] [<ffffffff812cc398>] f2fs_sync_fs+0x68/0xb0
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[ 24.275526] [<ffffffff812c641c>] f2fs_sync_file+0x2e8/0x518
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[ 24.281107] [<ffffffff81213ff4>] do_fsync+0x38/0x70
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[ 24.285992] [<ffffffff812142e8>] SyS_fsync+0x14/0x20
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[ 24.290972] [<ffffffff81103950>] syscall_common+0x34/0x58
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[ 24.296372]
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[ 24.298096] ---[ end trace fd3ac44449b218ab ]---
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Fix: 8399a29df92d68 ("mkfs.f2fs: give random checkpoint version")
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Reported-And-Tested-by: Stijn Tintel <stijn@linux-ipv6.be>
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Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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---
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mkfs/f2fs_format.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/mkfs/f2fs_format.c b/mkfs/f2fs_format.c
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index 92876b8..b379e80 100644
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--- a/mkfs/f2fs_format.c
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+++ b/mkfs/f2fs_format.c
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@@ -546,7 +546,7 @@ static int f2fs_write_check_point_pack(void)
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}
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/* 1. cp page 1 of checkpoint pack 1 */
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- cp->checkpoint_ver = rand() | 0x1;
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+ cp->checkpoint_ver = cpu_to_le64(rand() | 0x1);
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set_cp(cur_node_segno[0], c.cur_seg[CURSEG_HOT_NODE]);
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set_cp(cur_node_segno[1], c.cur_seg[CURSEG_WARM_NODE]);
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set_cp(cur_node_segno[2], c.cur_seg[CURSEG_COLD_NODE]);
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--
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2.13.5
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