From 924b720b589f91311657216c97edbb3337449270 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Wed, 20 Nov 2013 14:46:39 +0800 Subject: f2fs: add a new function to support for merging contiguous read For better read performance, we add a new function to support for merging contiguous read as the one for write. v1-->v2: o add declarations here as Gu Zheng suggested. o use new structure f2fs_bio_info introduced by Jaegeuk Kim. Signed-off-by: Chao Yu Acked-by: Gu Zheng --- fs/f2fs/f2fs.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'fs/f2fs/f2fs.h') diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index b665ce492e1f..72718ef0d56a 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -382,6 +382,7 @@ struct f2fs_sb_info { struct f2fs_sm_info *sm_info; /* segment manager */ /* for bio operations */ + struct f2fs_bio_info read_io; /* for read bios */ struct f2fs_bio_info write_io[NR_PAGE_TYPE]; /* for write bios */ /* for checkpoint */ @@ -1132,6 +1133,8 @@ struct page *find_data_page(struct inode *, pgoff_t, bool); struct page *get_lock_data_page(struct inode *, pgoff_t); struct page *get_new_data_page(struct inode *, struct page *, pgoff_t, bool); int f2fs_readpage(struct f2fs_sb_info *, struct page *, block_t, int); +void f2fs_submit_read_bio(struct f2fs_sb_info *, int); +void submit_read_page(struct f2fs_sb_info *, struct page *, block_t, int); int do_write_data_page(struct page *); /* -- cgit v1.2.3