From 0fd785eb931d254a4ea4abd42f1c0c5a17f7132a Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Mon, 18 Jan 2016 18:24:59 +0800 Subject: [PATCH] f2fs: relocate is_merged_page Operations in is_merged_page is related to inner bio cache, move it to data.c. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 38 ++++++++++++++++++++++++++++++++++++++ fs/f2fs/f2fs.h | 1 + fs/f2fs/segment.c | 38 -------------------------------------- 3 files changed, 39 insertions(+), 38 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 5c06db17e41f..7fff6ac3d0cb 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -116,6 +116,44 @@ static void __submit_merged_bio(struct f2fs_bio_info *io) io->bio = NULL; } +bool is_merged_page(struct f2fs_sb_info *sbi, struct page *page, + enum page_type type) +{ + enum page_type btype = PAGE_TYPE_OF_BIO(type); + struct f2fs_bio_info *io = &sbi->write_io[btype]; + struct bio_vec *bvec; + struct page *target; + int i; + + down_read(&io->io_rwsem); + if (!io->bio) { + up_read(&io->io_rwsem); + return false; + } + + bio_for_each_segment_all(bvec, io->bio, i) { + + if (bvec->bv_page->mapping) { + target = bvec->bv_page; + } else { + struct f2fs_crypto_ctx *ctx; + + /* encrypted page */ + ctx = (struct f2fs_crypto_ctx *)page_private( + bvec->bv_page); + target = ctx->w.control_page; + } + + if (page == target) { + up_read(&io->io_rwsem); + return true; + } + } + + up_read(&io->io_rwsem); + return false; +} + void f2fs_submit_merged_bio(struct f2fs_sb_info *sbi, enum page_type type, int rw) { diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index ff79054c6cf6..e41ffc1f54d1 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1880,6 +1880,7 @@ void destroy_checkpoint_caches(void); /* * data.c */ +bool is_merged_page(struct f2fs_sb_info *, struct page *, enum page_type); void f2fs_submit_merged_bio(struct f2fs_sb_info *, enum page_type, int); int f2fs_submit_page_bio(struct f2fs_io_info *); void f2fs_submit_page_mbio(struct f2fs_io_info *); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 5904a411c86f..e16235bbdd7d 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1415,44 +1415,6 @@ void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, f2fs_update_extent_cache(dn); } -static inline bool is_merged_page(struct f2fs_sb_info *sbi, - struct page *page, enum page_type type) -{ - enum page_type btype = PAGE_TYPE_OF_BIO(type); - struct f2fs_bio_info *io = &sbi->write_io[btype]; - struct bio_vec *bvec; - struct page *target; - int i; - - down_read(&io->io_rwsem); - if (!io->bio) { - up_read(&io->io_rwsem); - return false; - } - - bio_for_each_segment_all(bvec, io->bio, i) { - - if (bvec->bv_page->mapping) { - target = bvec->bv_page; - } else { - struct f2fs_crypto_ctx *ctx; - - /* encrypted page */ - ctx = (struct f2fs_crypto_ctx *)page_private( - bvec->bv_page); - target = ctx->w.control_page; - } - - if (page == target) { - up_read(&io->io_rwsem); - return true; - } - } - - up_read(&io->io_rwsem); - return false; -} - void f2fs_wait_on_page_writeback(struct page *page, enum page_type type) { -- 2.20.1