From d4c759ee5faa51e0b0ee55d8a229ba5b80c4917e Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Tue, 5 Sep 2017 17:04:35 -0700 Subject: [PATCH] f2fs: use generic terms used for encrypted block management This patch renames functions regarding to buffer management via META_MAPPING used for encrypted blocks especially. We can actually use them in generic way. Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 6 +++--- fs/f2fs/f2fs.h | 3 +-- fs/f2fs/file.c | 2 +- fs/f2fs/gc.c | 13 +++++++++---- fs/f2fs/segment.c | 3 +-- 5 files changed, 15 insertions(+), 12 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index e6c683e7a10e..ee6801fdbdec 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -1163,7 +1163,7 @@ static struct bio *f2fs_grab_bio(struct inode *inode, block_t blkaddr, return ERR_CAST(ctx); /* wait the page to be moved by cleaning */ - f2fs_wait_on_encrypted_page_writeback(sbi, blkaddr); + f2fs_wait_on_block_writeback(sbi, blkaddr); } bio = bio_alloc(GFP_KERNEL, min_t(int, nr_pages, BIO_MAX_PAGES)); @@ -1349,7 +1349,7 @@ static int encrypt_one_page(struct f2fs_io_info *fio) return 0; /* wait for GCed encrypted page writeback */ - f2fs_wait_on_encrypted_page_writeback(fio->sbi, fio->old_blkaddr); + f2fs_wait_on_block_writeback(fio->sbi, fio->old_blkaddr); retry_encrypt: fio->encrypted_page = fscrypt_encrypt_page(inode, fio->page, @@ -1975,7 +1975,7 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping, /* wait for GCed encrypted page writeback */ if (f2fs_encrypted_file(inode)) - f2fs_wait_on_encrypted_page_writeback(sbi, blkaddr); + f2fs_wait_on_block_writeback(sbi, blkaddr); if (len == PAGE_SIZE || PageUptodate(page)) return 0; diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 417c28f01fd5..91fb749686f2 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2550,8 +2550,7 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, struct f2fs_io_info *fio, bool add_list); void f2fs_wait_on_page_writeback(struct page *page, enum page_type type, bool ordered); -void f2fs_wait_on_encrypted_page_writeback(struct f2fs_sb_info *sbi, - block_t blkaddr); +void f2fs_wait_on_block_writeback(struct f2fs_sb_info *sbi, block_t blkaddr); void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); int lookup_journal_in_cursum(struct f2fs_journal *journal, int type, diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index f8cedaba7ce4..224379a9848c 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -107,7 +107,7 @@ static int f2fs_vm_page_mkwrite(struct vm_fault *vmf) /* wait for GCed encrypted page writeback */ if (f2fs_encrypted_file(inode)) - f2fs_wait_on_encrypted_page_writeback(sbi, dn.data_blkaddr); + f2fs_wait_on_block_writeback(sbi, dn.data_blkaddr); out_sem: up_read(&F2FS_I(inode)->i_mmap_sem); diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 6a12f33d0cdd..bfe6a8ccc3a0 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -599,8 +599,12 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, return true; } -static void move_encrypted_block(struct inode *inode, block_t bidx, - unsigned int segno, int off) +/* + * Move data block via META_MAPPING while keeping locked data page. + * This can be used to move blocks, aka LBAs, directly on disk. + */ +static void move_data_block(struct inode *inode, block_t bidx, + unsigned int segno, int off) { struct f2fs_io_info fio = { .sbi = F2FS_I_SB(inode), @@ -873,9 +877,10 @@ static void gc_data_segment(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, start_bidx = start_bidx_of_node(nofs, inode) + ofs_in_node; if (f2fs_encrypted_file(inode)) - move_encrypted_block(inode, start_bidx, segno, off); + move_data_block(inode, start_bidx, segno, off); else - move_data_page(inode, start_bidx, gc_type, segno, off); + move_data_page(inode, start_bidx, gc_type, + segno, off); if (locked) { up_write(&fi->dio_rwsem[WRITE]); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 265c3bc44f2d..9e708e525ba8 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -2528,8 +2528,7 @@ void f2fs_wait_on_page_writeback(struct page *page, } } -void f2fs_wait_on_encrypted_page_writeback(struct f2fs_sb_info *sbi, - block_t blkaddr) +void f2fs_wait_on_block_writeback(struct f2fs_sb_info *sbi, block_t blkaddr) { struct page *cpage; -- 2.45.2