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Message-Id: <20230825135431.1317785-25-hao.xu@linux.dev> Date: Fri, 25 Aug 2023 21:54:26 +0800 From: Hao Xu <hao.xu@...ux.dev> To: io-uring@...r.kernel.org, Jens Axboe <axboe@...nel.dk> Cc: Dominique Martinet <asmadeus@...ewreck.org>, Pavel Begunkov <asml.silence@...il.com>, Christian Brauner <brauner@...nel.org>, Alexander Viro <viro@...iv.linux.org.uk>, Stefan Roesch <shr@...com>, Clay Harris <bugs@...ycon.org>, Dave Chinner <david@...morbit.com>, "Darrick J . Wong" <djwong@...nel.org>, linux-fsdevel@...r.kernel.org, linux-xfs@...r.kernel.org, linux-ext4@...r.kernel.org, linux-cachefs@...hat.com, ecryptfs@...r.kernel.org, linux-nfs@...r.kernel.org, linux-unionfs@...r.kernel.org, bpf@...r.kernel.org, netdev@...r.kernel.org, linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org, linux-block@...r.kernel.org, linux-btrfs@...r.kernel.org, codalist@...a.cs.cmu.edu, linux-f2fs-devel@...ts.sourceforge.net, cluster-devel@...hat.com, linux-mm@...ck.org, linux-nilfs@...r.kernel.org, devel@...ts.orangefs.org, linux-cifs@...r.kernel.org, samba-technical@...ts.samba.org, linux-mtd@...ts.infradead.org, Wanpeng Li <wanpengli@...cent.com> Subject: [PATCH 24/29] xfs: support nowait for xfs_buf_read_map() From: Hao Xu <howeyxu@...cent.com> This causes xfstests generic/232 hung in umount process, waiting for ail push, so I comment it for now, need some hints from xfs folks. Not a real patch. Signed-off-by: Hao Xu <howeyxu@...cent.com> --- fs/xfs/xfs_buf.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index cdad80e1ae25..284962a9f31a 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -828,6 +828,13 @@ xfs_buf_read_map( trace_xfs_buf_read(bp, flags, _RET_IP_); if (!(bp->b_flags & XBF_DONE)) { +// /* +// * Let's bypass the _xfs_buf_read() for now +// */ +// if (flags & XBF_NOWAIT) { +// xfs_buf_relse(bp); +// return -EAGAIN; +// } /* Initiate the buffer read and wait. */ XFS_STATS_INC(target->bt_mount, xb_get_read); bp->b_ops = ops; -- 2.25.1
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