On Fri, Oct 28, 2022 at 10:58:07AM -0700, Eric Biggers wrote: > From: Eric Biggers <ebiggers@xxxxxxxxxx> > > As a step towards freeing the PG_error flag for other uses, change ext4 > and f2fs to stop using PG_error to track verity errors. Instead, if a > verity error occurs, just mark the whole bio as failed. The coarser > granularity isn't really a problem since it isn't any worse than what > the block layer provides, and errors from a multi-page readahead aren't > reported to applications unless a single-page read fails too. > > f2fs supports compression, which makes the f2fs changes a bit more > complicated than desired, but the basic premise still works. > > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx> > --- > > In v3, I made a small simplification to the f2fs changes. I'm also only > sending the fsverity patch now, since the fscrypt one is now upstream. > > fs/ext4/readpage.c | 8 ++---- > fs/f2fs/compress.c | 64 ++++++++++++++++++++++------------------------ > fs/f2fs/data.c | 48 +++++++++++++++++++--------------- > fs/verity/verify.c | 12 ++++----- > 4 files changed, 67 insertions(+), 65 deletions(-) I've applied this to the fsverity tree for 6.2. Reviews would be greatly appreciated, of course. - Eric
