https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev&id=ebef4d7eda0d06a6ab6dc0f9e9f848276e605962 Merged. Thanks, On 09/11, Goldwyn Rodrigues wrote: > From: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx> > > This is similar to 942491c9e6d6 ("xfs: fix AIM7 regression") > Apparently our current rwsem code doesn't like doing the trylock, then > lock for real scheme. So change our read/write methods to just do the > trylock for the RWF_NOWAIT case. > > We don't need a check for IOCB_NOWAIT and !direct-IO because it > is checked in generic_write_checks(). > > Fixes: b91050a80cec ("f2fs: add nowait aio support") > Signed-off-by: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx> > --- > fs/f2fs/file.c | 10 +++------- > 1 file changed, 3 insertions(+), 7 deletions(-) > > diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c > index 3e58a6f697dd..c6f3ef815c05 100644 > --- a/fs/f2fs/file.c > +++ b/fs/f2fs/file.c > @@ -3134,16 +3134,12 @@ static ssize_t f2fs_file_write_iter(struct kiocb *iocb, struct iov_iter *from) > goto out; > } > > - if ((iocb->ki_flags & IOCB_NOWAIT) && !(iocb->ki_flags & IOCB_DIRECT)) { > - ret = -EINVAL; > - goto out; > - } > - > - if (!inode_trylock(inode)) { > - if (iocb->ki_flags & IOCB_NOWAIT) { > + if (iocb->ki_flags & IOCB_NOWAIT) { > + if (!inode_trylock(inode)) { > ret = -EAGAIN; > goto out; > } > + } else { > inode_lock(inode); > } > > -- > 2.16.4
