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FROMGIT: f2fs: allow to read node block after shutdown

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If block address is still alive, we should give a valid node block even after
shutdown. Otherwise, we can see zero data when reading out a file.

Bug: 257271565
Cc: stable@vger.kernel.org
Fixes: 83a3bfdb5a ("f2fs: indicate shutdown f2fs to allow unmount successfully")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
(cherry picked from commit 6953bf65286d git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev)
Change-Id: Ifb70f6c73bd67d5112ee9fa1a5e4ad8e10ae8517
This commit is contained in:
Jaegeuk Kim
2022-11-08 17:59:34 -08:00
committed by Jaegeuk Kim
parent da05d408ee
commit 250f35d78b
1 changed files with 1 additions and 2 deletions
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3
fs/f2fs/node.c
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@@ -1336,8 +1336,7 @@ static int read_node_page(struct page *page, int op_flags)
return err;
/* NEW_ADDR can be seen, after cp_error drops some dirty node pages */
if (unlikely(ni.blk_addr == NULL_ADDR || ni.blk_addr == NEW_ADDR) ||
is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)) {
if (unlikely(ni.blk_addr == NULL_ADDR || ni.blk_addr == NEW_ADDR)) {
ClearPageUptodate(page);
return -ENOENT;
}