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| author | Christoph Hellwig <hch@lst.de> | 2021-08-03 00:43:43 +0300 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2021-08-03 19:43:13 +0300 |
| commit | c1b79f11f4ec27d3b3197a9584950a3be178c717 (patch) | |
| tree | 0d22235417974f275363d1841d3f4e5f576a2024 /fs/iomap | |
| parent | d0364f9490d7e098963ce4d146b51f9cd1199412 (diff) | |
| download | linux-c1b79f11f4ec27d3b3197a9584950a3be178c717.tar.xz | |
iomap: simplify iomap_add_to_ioend
Now that the outstanding writes are counted in bytes, there is no need
to use the low-level __bio_try_merge_page API, we can switch back to
always using bio_add_page and simply iomap_add_to_ioend again.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/iomap')
| -rw-r--r-- | fs/iomap/buffered-io.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 712b6513a0c4..a463b41c0a16 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -1251,7 +1251,6 @@ iomap_add_to_ioend(struct inode *inode, loff_t offset, struct page *page, sector_t sector = iomap_sector(&wpc->iomap, offset); unsigned len = i_blocksize(inode); unsigned poff = offset & (PAGE_SIZE - 1); - bool merged, same_page = false; if (!wpc->ioend || !iomap_can_add_to_ioend(wpc, offset, sector)) { if (wpc->ioend) @@ -1259,19 +1258,13 @@ iomap_add_to_ioend(struct inode *inode, loff_t offset, struct page *page, wpc->ioend = iomap_alloc_ioend(inode, wpc, offset, sector, wbc); } - merged = __bio_try_merge_page(wpc->ioend->io_bio, page, len, poff, - &same_page); - if (iop) - atomic_add(len, &iop->write_bytes_pending); - - if (!merged) { - if (bio_full(wpc->ioend->io_bio, len)) { - wpc->ioend->io_bio = - iomap_chain_bio(wpc->ioend->io_bio); - } - bio_add_page(wpc->ioend->io_bio, page, len, poff); + if (bio_add_page(wpc->ioend->io_bio, page, len, poff) != len) { + wpc->ioend->io_bio = iomap_chain_bio(wpc->ioend->io_bio); + __bio_add_page(wpc->ioend->io_bio, page, len, poff); } + if (iop) + atomic_add(len, &iop->write_bytes_pending); wpc->ioend->io_size += len; wbc_account_cgroup_owner(wbc, page, len); } |