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iomap: Convert read_count to read_bytes_pending
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Mon, 21 Sep 2020 15:58:40 +0000 (08:58 -0700)
committerDarrick J. Wong <darrick.wong@oracle.com>
Mon, 21 Sep 2020 15:59:26 +0000 (08:59 -0700)
commit7d636676d2841ba5d92462dfa99a89c2f2da8919
tree2576896da6201cf60b064b2c6f165c17093bc3a7tree | snapshot
parent0a195b91e8991367a94ee199f3af7faa7607e7dbcommit | diff
iomap: Convert read_count to read_bytes_pending

Instead of counting bio segments, count the number of bytes submitted.
This insulates us from the block layer's definition of what a 'same page'
is, which is not necessarily clear once THPs are involved.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
fs/iomap/buffered-io.c diff | blob | history
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