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btrfs: set bbio->file_offset in alloc_new_bio

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Instead of digging into the bio_vec in submit_one_bio, set file_offset at
bio allocation time from the provided parameter.  This also ensures that
the file_offset is available all the time when building up the bio
payload.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Christoph Hellwig 2022-12-12 08:37:20 +01:00 committed by David Sterba
parent 72fcf1a47b
commit 0d495430db
1 changed files with 1 additions and 2 deletions
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3
fs/btrfs/extent_io.c
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@ -140,8 +140,6 @@ static void submit_one_bio(struct btrfs_bio_ctrl *bio_ctrl)
/* Caller should ensure the bio has at least some range added */
ASSERT(bio->bi_iter.bi_size);
btrfs_bio(bio)->file_offset = page_offset(bv->bv_page) + bv->bv_offset;
if (!is_data_inode(inode)) {
if (btrfs_op(bio) != BTRFS_MAP_WRITE) {
/*
@ -993,6 +991,7 @@ static void alloc_new_bio(struct btrfs_inode *inode,
bio->bi_iter.bi_sector = disk_bytenr >> SECTOR_SHIFT;
else
bio->bi_iter.bi_sector = (disk_bytenr + offset) >> SECTOR_SHIFT;
btrfs_bio(bio)->file_offset = file_offset;
bio_ctrl->bio = bio;
bio_ctrl->compress_type = compress_type;
calc_bio_boundaries(bio_ctrl, inode, file_offset);