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f2fs: Fix mount failure due to SPO after a successful online resize FS

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[ Upstream commit 6827568275 ]

Even though online resize is successfully done, a SPO immediately
after resize, still causes below error in the next mount.

[   11.294650] F2FS-fs (sda8): Wrong user_block_count: 2233856
[   11.300272] F2FS-fs (sda8): Failed to get valid F2FS checkpoint

This is because after FS metadata is updated in update_fs_metadata()
if the SBI_IS_DIRTY is not dirty, then CP will not be done to reflect
the new user_block_count.

Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sahitya Tummala
2020-03-03 19:59:25 +05:30
committed by Greg Kroah-Hartman
parent ea468f3737
commit 066f1e4174
1 changed files with 6 additions and 0 deletions
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6
fs/f2fs/gc.c
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@@ -1532,11 +1532,17 @@ int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count)
goto out;
}
mutex_lock(&sbi->cp_mutex);
update_fs_metadata(sbi, -secs);
clear_sbi_flag(sbi, SBI_IS_RESIZEFS);
set_sbi_flag(sbi, SBI_IS_DIRTY);
mutex_unlock(&sbi->cp_mutex);
err = f2fs_sync_fs(sbi->sb, 1);
if (err) {
mutex_lock(&sbi->cp_mutex);
update_fs_metadata(sbi, secs);
mutex_unlock(&sbi->cp_mutex);
update_sb_metadata(sbi, secs);
f2fs_commit_super(sbi, false);
}