Commit 003c286a authored by Nikolay Borisov's avatar Nikolay Borisov Committed by David Sterba
Browse files

btrfs: sink mirror_num argument in extent_read_full_page 



It's always set to 0 from the sole caller - btrfs_readpage.

Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent c1be9c1a

fs/btrfs/extent_io.c

+2 −3
Original line number Diff line number Diff line
@@ -3365,7 +3365,7 @@ static inline void contiguous_readpages(struct page *pages[], int nr_pages, 
	}

}



int extent_read_full_page(struct page *page, struct bio **bio, int mirror_num,

int extent_read_full_page(struct page *page, struct bio **bio,

			  unsigned long *bio_flags, unsigned int read_flags)

{

	struct btrfs_inode *inode = BTRFS_I(page->mapping->host);
@@ -3375,8 +3375,7 @@ int extent_read_full_page(struct page *page, struct bio **bio, int mirror_num, 


	btrfs_lock_and_flush_ordered_range(inode, start, end, NULL);



	ret = __do_readpage(page, NULL, bio, mirror_num, bio_flags, read_flags,

			    NULL);

	ret = __do_readpage(page, NULL, bio, 0, bio_flags, read_flags, NULL);

	return ret;

}

fs/btrfs/extent_io.h

+1 −1
Original line number Diff line number Diff line
@@ -195,7 +195,7 @@ int try_release_extent_buffer(struct page *page); 


int __must_check submit_one_bio(struct bio *bio, int mirror_num,

				unsigned long bio_flags);

int extent_read_full_page(struct page *page, struct bio **bio, int mirror_num,

int extent_read_full_page(struct page *page, struct bio **bio,

			  unsigned long *bio_flags, unsigned int read_flags);

int extent_write_full_page(struct page *page, struct writeback_control *wbc);

int extent_write_locked_range(struct inode *inode, u64 start, u64 end,

fs/btrfs/inode.c

+1 −1
Original line number Diff line number Diff line
@@ -8044,7 +8044,7 @@ int btrfs_readpage(struct file *file, struct page *page) 
	unsigned long bio_flags = 0;

	int ret;



	ret = extent_read_full_page(page, &bio, 0, &bio_flags, 0);

	ret = extent_read_full_page(page, &bio, &bio_flags, 0);

	if (bio)

		ret = submit_one_bio(bio, 0, bio_flags);

	return ret;

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