diff options
author | Chao Yu <chao2.yu@samsung.com> | 2016-01-18 18:24:59 +0800 |
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committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-02-22 16:07:23 -0800 |
commit | 0fd785eb931d254a4ea4abd42f1c0c5a17f7132a (patch) | |
tree | e50c1e5252a45fea1217c8cb52c703e4d02a0afc /fs/f2fs | |
parent | 4de8ebeff8ddefaceeb7fc6a9b1a514fc9624509 (diff) | |
download | linux-0fd785eb931d254a4ea4abd42f1c0c5a17f7132a.tar.bz2 |
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 <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r-- | fs/f2fs/data.c | 38 | ||||
-rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
-rw-r--r-- | 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) { |