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authorChao Yu <chao2.yu@samsung.com>2013-11-20 14:46:39 +0800
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-12-23 10:18:02 +0900
commit924b720b589f91311657216c97edbb3337449270 (patch)
tree4ff02959ff2ebe1007dc8da0cb77c83d0c05cc72 /fs/f2fs/f2fs.h
parentce3b7d80edad7bc5ff347b9ff02f1484265b1f05 (diff)
downloadlinux-924b720b589f91311657216c97edbb3337449270.tar.bz2
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 <chao2.yu@samsung.com> Acked-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r--fs/f2fs/f2fs.h3
1 files changed, 3 insertions, 0 deletions
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 *);
/*