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btrfs: promote extent_read_full_page to btrfs_readpage

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Now that btrfs_readpage is the only caller of extent_read_full_page the
latter can be open coded in the former. Use the occassion to rename
__extent_read_full_page to extent_read_full_page. To facillitate this
change submit_one_bio has to be exported as well.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov
2020-09-14 12:37:08 +03:00
committed by David Sterba
parent 72cffee463
commit c1be9c1ad5
3 changed files with 16 additions and 19 deletions
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9
fs/btrfs/inode.c
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@@ -8040,7 +8040,14 @@ static int btrfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
int btrfs_readpage(struct file *file, struct page *page)
{
return extent_read_full_page(page);
struct bio *bio = NULL;
unsigned long bio_flags = 0;
int ret;
ret = extent_read_full_page(page, &bio, 0, &bio_flags, 0);
if (bio)
ret = submit_one_bio(bio, 0, bio_flags);
return ret;
}
static int btrfs_writepage(struct page *page, struct writeback_control *wbc)