4.19-stable review patch. If anyone has any objections, please let me know.
------------------ From: Jaegeuk Kim <[email protected]> commit 89d13c38501df730cbb2e02c4499da1b5187119d upstream. This patch fixes missing up_read call. Fixes: c9b60788fc76 ("f2fs: fix to do sanity check with block address in main area") Cc: <[email protected]> # 4.19+ Reviewed-by: Chao Yu <[email protected]> Signed-off-by: Jaegeuk Kim <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- fs/f2fs/node.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1542,8 +1542,10 @@ static int __write_node_page(struct page } if (__is_valid_data_blkaddr(ni.blk_addr) && - !f2fs_is_valid_blkaddr(sbi, ni.blk_addr, DATA_GENERIC)) + !f2fs_is_valid_blkaddr(sbi, ni.blk_addr, DATA_GENERIC)) { + up_read(&sbi->node_write); goto redirty_out; + } if (atomic && !test_opt(sbi, NOBARRIER)) fio.op_flags |= REQ_PREFLUSH | REQ_FUA;
