diff options
author | Zhang Yi <yi.zhang@huawei.com> | 2022-09-01 21:34:57 +0800 |
---|---|---|
committer | Andrew Morton <akpm@linux-foundation.org> | 2022-09-11 20:26:06 -0700 |
commit | 8c004d1fc1497d9a6d92ea968bd58230af59a492 (patch) | |
tree | ab1008631e0cc3f03c11c606b89184ff5123f67e /fs/binfmt_misc.c | |
parent | 0ed48061887f603b33b7dcb9075cbfaaa8d02723 (diff) | |
download | linux-8c004d1fc1497d9a6d92ea968bd58230af59a492.tar.gz linux-8c004d1fc1497d9a6d92ea968bd58230af59a492.tar.bz2 linux-8c004d1fc1497d9a6d92ea968bd58230af59a492.zip |
jbd2: replace ll_rw_block()
ll_rw_block() is not safe for the sync read path because it cannot
guarantee that submitting read IO if the buffer has been locked. We
could get false positive EIO after wait_on_buffer() if the buffer has
been locked by others. So stop using ll_rw_block() in
journal_get_superblock(). We also switch to new bh_readahead_batch()
for the buffer array readahead path.
Link: https://lkml.kernel.org/r/20220901133505.2510834-7-yi.zhang@huawei.com
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'fs/binfmt_misc.c')
0 files changed, 0 insertions, 0 deletions