From dec3a7b3aa45802e70c350d73e11564cd444e448 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Thu, 7 Dec 2023 08:27:04 +0100 Subject: iomap: move the iomap_sector sector calculation out of iomap_add_to_ioend The calculation in iomap_sector is pretty trivial and most of the time iomap_add_to_ioend only callers either iomap_can_add_to_ioend or iomap_alloc_ioend from a single invocation. Calculate the sector in the two lower level functions and stop passing it from iomap_add_to_ioend and update the iomap_alloc_ioend argument passing order to match that of iomap_add_to_ioend. Signed-off-by: Christoph Hellwig Link: https://lore.kernel.org/r/20231207072710.176093-9-hch@lst.de Reviewed-by: Ritesh Harjani (IBM) Signed-off-by: Christian Brauner --- fs/iomap/buffered-io.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) (limited to 'fs/iomap') diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c index 92f032a12c14..3a3f3ebc070c 100644 --- a/fs/iomap/buffered-io.c +++ b/fs/iomap/buffered-io.c @@ -1656,9 +1656,8 @@ iomap_submit_ioend(struct iomap_writepage_ctx *wpc, struct iomap_ioend *ioend, return 0; } -static struct iomap_ioend * -iomap_alloc_ioend(struct inode *inode, struct iomap_writepage_ctx *wpc, - loff_t offset, sector_t sector, struct writeback_control *wbc) +static struct iomap_ioend *iomap_alloc_ioend(struct iomap_writepage_ctx *wpc, + struct writeback_control *wbc, struct inode *inode, loff_t pos) { struct iomap_ioend *ioend; struct bio *bio; @@ -1666,7 +1665,7 @@ iomap_alloc_ioend(struct inode *inode, struct iomap_writepage_ctx *wpc, bio = bio_alloc_bioset(wpc->iomap.bdev, BIO_MAX_VECS, REQ_OP_WRITE | wbc_to_write_flags(wbc), GFP_NOFS, &iomap_ioend_bioset); - bio->bi_iter.bi_sector = sector; + bio->bi_iter.bi_sector = iomap_sector(&wpc->iomap, pos); wbc_init_bio(wbc, bio); ioend = container_of(bio, struct iomap_ioend, io_inline_bio); @@ -1675,9 +1674,9 @@ iomap_alloc_ioend(struct inode *inode, struct iomap_writepage_ctx *wpc, ioend->io_flags = wpc->iomap.flags; ioend->io_inode = inode; ioend->io_size = 0; - ioend->io_offset = offset; + ioend->io_offset = pos; ioend->io_bio = bio; - ioend->io_sector = sector; + ioend->io_sector = bio->bi_iter.bi_sector; wpc->nr_folios = 0; return ioend; @@ -1705,18 +1704,17 @@ iomap_chain_bio(struct bio *prev) return new; } -static bool -iomap_can_add_to_ioend(struct iomap_writepage_ctx *wpc, loff_t offset, - sector_t sector) +static bool iomap_can_add_to_ioend(struct iomap_writepage_ctx *wpc, loff_t pos) { if ((wpc->iomap.flags & IOMAP_F_SHARED) != (wpc->ioend->io_flags & IOMAP_F_SHARED)) return false; if (wpc->iomap.type != wpc->ioend->io_type) return false; - if (offset != wpc->ioend->io_offset + wpc->ioend->io_size) + if (pos != wpc->ioend->io_offset + wpc->ioend->io_size) return false; - if (sector != bio_end_sector(wpc->ioend->io_bio)) + if (iomap_sector(&wpc->iomap, pos) != + bio_end_sector(wpc->ioend->io_bio)) return false; /* * Limit ioend bio chain lengths to minimise IO completion latency. This @@ -1737,14 +1735,13 @@ static void iomap_add_to_ioend(struct iomap_writepage_ctx *wpc, struct inode *inode, loff_t pos, struct list_head *iolist) { struct iomap_folio_state *ifs = folio->private; - sector_t sector = iomap_sector(&wpc->iomap, pos); unsigned len = i_blocksize(inode); size_t poff = offset_in_folio(folio, pos); - if (!wpc->ioend || !iomap_can_add_to_ioend(wpc, pos, sector)) { + if (!wpc->ioend || !iomap_can_add_to_ioend(wpc, pos)) { if (wpc->ioend) list_add(&wpc->ioend->io_list, iolist); - wpc->ioend = iomap_alloc_ioend(inode, wpc, pos, sector, wbc); + wpc->ioend = iomap_alloc_ioend(wpc, wbc, inode, pos); } if (!bio_add_folio(wpc->ioend->io_bio, folio, len, poff)) { -- cgit v1.2.3