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Message-Id: <20170606111939.27272-7-rgoldwyn@suse.de> Date: Tue, 6 Jun 2017 06:19:35 -0500 From: Goldwyn Rodrigues <rgoldwyn@...e.de> To: linux-fsdevel@...r.kernel.org Cc: jack@...e.com, hch@...radead.org, linux-block@...r.kernel.org, linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org, linux-xfs@...r.kernel.org, axboe@...nel.dk, linux-api@...r.kernel.org, adam.manzanares@....com, viro@...iv.linux.org.uk, Goldwyn Rodrigues <rgoldwyn@...e.com> Subject: [PATCH 06/10] fs: Introduce IOMAP_NOWAIT From: Goldwyn Rodrigues <rgoldwyn@...e.com> IOCB_NOWAIT translates to IOMAP_NOWAIT for iomaps. This is used by XFS in the XFS patch. Reviewed-by: Christoph Hellwig <hch@....de> Reviewed-by: Jan Kara <jack@...e.cz> Signed-off-by: Goldwyn Rodrigues <rgoldwyn@...e.com> --- fs/iomap.c | 2 ++ include/linux/iomap.h | 1 + 2 files changed, 3 insertions(+) diff --git a/fs/iomap.c b/fs/iomap.c index 4b10892967a5..5d85ec6e7b20 100644 --- a/fs/iomap.c +++ b/fs/iomap.c @@ -879,6 +879,8 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter, } else { dio->flags |= IOMAP_DIO_WRITE; flags |= IOMAP_WRITE; + if (iocb->ki_flags & IOCB_NOWAIT) + flags |= IOMAP_NOWAIT; } ret = filemap_write_and_wait_range(mapping, start, end); diff --git a/include/linux/iomap.h b/include/linux/iomap.h index f753e788da31..69f4e9470084 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -52,6 +52,7 @@ struct iomap { #define IOMAP_REPORT (1 << 2) /* report extent status, e.g. FIEMAP */ #define IOMAP_FAULT (1 << 3) /* mapping for page fault */ #define IOMAP_DIRECT (1 << 4) /* direct I/O */ +#define IOMAP_NOWAIT (1 << 5) /* Don't wait for writeback */ struct iomap_ops { /* -- 2.12.0
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