Re: [PATCH 06/10] fs: Introduce IOMAP_NOWAIT
From: Jan Kara <jack@suse.cz>
Date: 2017-05-25 08:33:53
Also in:
linux-api, linux-btrfs, linux-ext4, linux-fsdevel, linux-xfs
On Wed 24-05-17 11:41:46, Goldwyn Rodrigues wrote:
From: Goldwyn Rodrigues <redacted> IOCB_NOWAIT translates to IOMAP_NOWAIT for iomaps. This is used by XFS in the XFS patch. Signed-off-by: Goldwyn Rodrigues <redacted> Reviewed-by: Christoph Hellwig <hch@lst.de>
Looks good. You can add: Reviewed-by: Jan Kara <jack@suse.cz> Honza
quoted hunk ↗ jump to hunk
--- 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
-- Jan Kara [off-list ref] SUSE Labs, CR