Merged IO flow doesn't need to care about read IOs. f2fs_submit_merged_bio -> f2fs_submit_merged_write f2fs_submit_merged_bios -> f2fs_submit_merged_writes f2fs_submit_merged_bio_cond -> f2fs_submit_merged_write_cond Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> --- fs/f2fs/checkpoint.c | 14 ++++++------ fs/f2fs/data.c | 55 ++++++++++++++++++++------------------------- fs/f2fs/f2fs.h | 11 +++++---- fs/f2fs/gc.c | 6 ++--- fs/f2fs/node.c | 11 +++++---- fs/f2fs/segment.c | 11 +++++---- fs/f2fs/super.c | 2 +- include/trace/events/f2fs.h | 2 +- 8 files changed, 51 insertions(+), 61 deletions(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 8d92f8249000..13828f63a871 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -31,7 +31,7 @@ void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io) set_ckpt_flags(sbi, CP_ERROR_FLAG); sbi->sb->s_flags |= MS_RDONLY; if (!end_io) - f2fs_flush_merged_bios(sbi); + f2fs_flush_merged_writes(sbi); } /* @@ -247,13 +247,13 @@ static int f2fs_write_meta_page(struct page *page, dec_page_count(sbi, F2FS_DIRTY_META); if (wbc->for_reclaim) - f2fs_submit_merged_bio_cond(sbi, page->mapping->host, - 0, page->index, META, WRITE); + f2fs_submit_merged_write_cond(sbi, page->mapping->host, + 0, page->index, META); unlock_page(page); if (unlikely(f2fs_cp_error(sbi))) - f2fs_submit_merged_bio(sbi, META, WRITE); + f2fs_submit_merged_write(sbi, META); return 0; @@ -356,7 +356,7 @@ long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, } stop: if (nwritten) - f2fs_submit_merged_bio(sbi, type, WRITE); + f2fs_submit_merged_write(sbi, type); blk_finish_plug(&plug); @@ -904,7 +904,7 @@ int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type) * We should submit bio, since it exists several * wribacking dentry pages in the freeing inode. */ - f2fs_submit_merged_bio(sbi, DATA, WRITE); + f2fs_submit_merged_write(sbi, DATA); cond_resched(); } goto retry; @@ -1293,7 +1293,7 @@ int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc) trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish block_ops"); - f2fs_flush_merged_bios(sbi); + f2fs_flush_merged_writes(sbi); /* this is the case of multiple fstrims without any changes */ if (cpc->reason & CP_DISCARD) { diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 7c0f6bdf817d..06bb2042385e 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -291,14 +291,12 @@ static bool has_merged_page(struct f2fs_sb_info *sbi, struct inode *inode, return ret; } -static void __f2fs_submit_merged_bio(struct f2fs_sb_info *sbi, +static void __f2fs_submit_merged_write(struct f2fs_sb_info *sbi, struct inode *inode, nid_t ino, pgoff_t idx, - enum page_type type, int rw) + enum page_type type) { enum page_type btype = PAGE_TYPE_OF_BIO(type); - struct f2fs_bio_info *io; - - io = is_read_io(rw) ? &sbi->read_io : &sbi->write_io[btype]; + struct f2fs_bio_info *io = &sbi->write_io[btype]; down_write(&io->io_rwsem); @@ -318,25 +316,24 @@ static void __f2fs_submit_merged_bio(struct f2fs_sb_info *sbi, up_write(&io->io_rwsem); } -void f2fs_submit_merged_bio(struct f2fs_sb_info *sbi, enum page_type type, - int rw) +void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type) { - __f2fs_submit_merged_bio(sbi, NULL, 0, 0, type, rw); + __f2fs_submit_merged_write(sbi, NULL, 0, 0, type); } -void f2fs_submit_merged_bio_cond(struct f2fs_sb_info *sbi, +void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, struct inode *inode, nid_t ino, pgoff_t idx, - enum page_type type, int rw) + enum page_type type) { if (has_merged_page(sbi, inode, ino, idx, type)) - __f2fs_submit_merged_bio(sbi, inode, ino, idx, type, rw); + __f2fs_submit_merged_write(sbi, inode, ino, idx, type); } -void f2fs_flush_merged_bios(struct f2fs_sb_info *sbi) +void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi) { - f2fs_submit_merged_bio(sbi, DATA, WRITE); - f2fs_submit_merged_bio(sbi, NODE, WRITE); - f2fs_submit_merged_bio(sbi, META, WRITE); + f2fs_submit_merged_write(sbi, DATA); + f2fs_submit_merged_write(sbi, NODE); + f2fs_submit_merged_write(sbi, META); } /* @@ -368,16 +365,15 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio) return 0; } -int f2fs_submit_page_mbio(struct f2fs_io_info *fio) +int f2fs_submit_page_write(struct f2fs_io_info *fio) { struct f2fs_sb_info *sbi = fio->sbi; enum page_type btype = PAGE_TYPE_OF_BIO(fio->type); - struct f2fs_bio_info *io; - bool is_read = is_read_io(fio->op); + struct f2fs_bio_info *io = &sbi->write_io[btype]; struct page *bio_page; int err = 0; - io = is_read ? &sbi->read_io : &sbi->write_io[btype]; + f2fs_bug_on(sbi, is_read_io(fio->op)); if (fio->old_blkaddr != NEW_ADDR) verify_block_addr(sbi, fio->old_blkaddr); @@ -388,8 +384,7 @@ int f2fs_submit_page_mbio(struct f2fs_io_info *fio) /* set submitted = 1 as a return value */ fio->submitted = 1; - if (!is_read) - inc_page_count(sbi, WB_DATA_TYPE(bio_page)); + inc_page_count(sbi, WB_DATA_TYPE(bio_page)); down_write(&io->io_rwsem); @@ -402,12 +397,11 @@ int f2fs_submit_page_mbio(struct f2fs_io_info *fio) if ((fio->type == DATA || fio->type == NODE) && fio->new_blkaddr & F2FS_IO_SIZE_MASK(sbi)) { err = -EAGAIN; - if (!is_read) - dec_page_count(sbi, WB_DATA_TYPE(bio_page)); + dec_page_count(sbi, WB_DATA_TYPE(bio_page)); goto out_fail; } io->bio = __bio_alloc(sbi, fio->new_blkaddr, - BIO_MAX_PAGES, is_read); + BIO_MAX_PAGES, false); io->fio = *fio; } @@ -421,7 +415,7 @@ int f2fs_submit_page_mbio(struct f2fs_io_info *fio) f2fs_trace_ios(fio, 0); out_fail: up_write(&io->io_rwsem); - trace_f2fs_submit_page_mbio(fio->page, fio); + trace_f2fs_submit_page_write(fio->page, fio); return err; } @@ -1321,7 +1315,7 @@ static int encrypt_one_page(struct f2fs_io_info *fio) /* flush pending IOs and wait for a while in the ENOMEM case */ if (PTR_ERR(fio->encrypted_page) == -ENOMEM) { - f2fs_flush_merged_bios(fio->sbi); + f2fs_flush_merged_writes(fio->sbi); congestion_wait(BLK_RW_ASYNC, HZ/50); gfp_flags |= __GFP_NOFAIL; goto retry_encrypt; @@ -1513,8 +1507,7 @@ static int __write_data_page(struct page *page, bool *submitted, ClearPageUptodate(page); if (wbc->for_reclaim) { - f2fs_submit_merged_bio_cond(sbi, inode, 0, page->index, - DATA, WRITE); + f2fs_submit_merged_write_cond(sbi, inode, 0, page->index, DATA); clear_inode_flag(inode, FI_HOT_DATA); remove_dirty_inode(inode); submitted = NULL; @@ -1525,7 +1518,7 @@ static int __write_data_page(struct page *page, bool *submitted, f2fs_balance_fs(sbi, need_balance_fs); if (unlikely(f2fs_cp_error(sbi))) { - f2fs_submit_merged_bio(sbi, DATA, WRITE); + f2fs_submit_merged_write(sbi, DATA); submitted = NULL; } @@ -1684,8 +1677,8 @@ static int f2fs_write_cache_pages(struct address_space *mapping, mapping->writeback_index = done_index; if (last_idx != ULONG_MAX) - f2fs_submit_merged_bio_cond(F2FS_M_SB(mapping), mapping->host, - 0, last_idx, DATA, WRITE); + f2fs_submit_merged_write_cond(F2FS_M_SB(mapping), mapping->host, + 0, last_idx, DATA); return ret; } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index e26999a74522..bf837458cb18 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -2325,14 +2325,13 @@ void destroy_checkpoint_caches(void); /* * data.c */ -void f2fs_submit_merged_bio(struct f2fs_sb_info *sbi, enum page_type type, - int rw); -void f2fs_submit_merged_bio_cond(struct f2fs_sb_info *sbi, +void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); +void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, struct inode *inode, nid_t ino, pgoff_t idx, - enum page_type type, int rw); -void f2fs_flush_merged_bios(struct f2fs_sb_info *sbi); + enum page_type type); +void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); int f2fs_submit_page_bio(struct f2fs_io_info *fio); -int f2fs_submit_page_mbio(struct f2fs_io_info *fio); +int f2fs_submit_page_write(struct f2fs_io_info *fio); struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, block_t blk_addr, struct bio *bio); int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 965fbf5d0a2e..67b87155bc48 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -670,7 +670,7 @@ static void move_encrypted_block(struct inode *inode, block_t bidx, fio.op = REQ_OP_WRITE; fio.op_flags = REQ_SYNC; fio.new_blkaddr = newaddr; - f2fs_submit_page_mbio(&fio); + f2fs_submit_page_write(&fio); f2fs_update_data_blkaddr(&dn, newaddr); set_inode_flag(inode, FI_APPEND_WRITE); @@ -936,8 +936,8 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, } if (gc_type == FG_GC) - f2fs_submit_merged_bio(sbi, - (type == SUM_TYPE_NODE) ? NODE : DATA, WRITE); + f2fs_submit_merged_write(sbi, + (type == SUM_TYPE_NODE) ? NODE : DATA); blk_finish_plug(&plug); diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 98351a4a4da3..41bb632ac2e0 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1373,15 +1373,15 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted, up_read(&sbi->node_write); if (wbc->for_reclaim) { - f2fs_submit_merged_bio_cond(sbi, page->mapping->host, 0, - page->index, NODE, WRITE); + f2fs_submit_merged_write_cond(sbi, page->mapping->host, 0, + page->index, NODE); submitted = NULL; } unlock_page(page); if (unlikely(f2fs_cp_error(sbi))) { - f2fs_submit_merged_bio(sbi, NODE, WRITE); + f2fs_submit_merged_write(sbi, NODE); submitted = NULL; } if (submitted) @@ -1518,8 +1518,7 @@ int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, } out: if (last_idx != ULONG_MAX) - f2fs_submit_merged_bio_cond(sbi, NULL, ino, last_idx, - NODE, WRITE); + f2fs_submit_merged_write_cond(sbi, NULL, ino, last_idx, NODE); return ret ? -EIO: 0; } @@ -1625,7 +1624,7 @@ int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc) } out: if (nwritten) - f2fs_submit_merged_bio(sbi, NODE, WRITE); + f2fs_submit_merged_write(sbi, NODE); return ret; } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index de31030b5041..38bb675976e2 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -328,8 +328,7 @@ static int __commit_inmem_pages(struct inode *inode, } if (last_idx != ULONG_MAX) - f2fs_submit_merged_bio_cond(sbi, inode, 0, last_idx, - DATA, WRITE); + f2fs_submit_merged_write_cond(sbi, inode, 0, last_idx, DATA); if (!err) __revoke_inmem_pages(inode, revoke_list, false, false); @@ -2150,7 +2149,7 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio) &fio->new_blkaddr, sum, type); /* writeout dirty page into bdev */ - err = f2fs_submit_page_mbio(fio); + err = f2fs_submit_page_write(fio); if (err == -EAGAIN) { fio->old_blkaddr = fio->new_blkaddr; goto reallocate; @@ -2177,7 +2176,7 @@ void write_meta_page(struct f2fs_sb_info *sbi, struct page *page) fio.op_flags &= ~REQ_META; set_page_writeback(page); - f2fs_submit_page_mbio(&fio); + f2fs_submit_page_write(&fio); } void write_node_page(unsigned int nid, struct f2fs_io_info *fio) @@ -2296,8 +2295,8 @@ void f2fs_wait_on_page_writeback(struct page *page, if (PageWriteback(page)) { struct f2fs_sb_info *sbi = F2FS_P_SB(page); - f2fs_submit_merged_bio_cond(sbi, page->mapping->host, - 0, page->index, type, WRITE); + f2fs_submit_merged_write_cond(sbi, page->mapping->host, + 0, page->index, type); if (ordered) wait_on_page_writeback(page); else diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 83355ec4a92c..104a571a41c0 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -817,7 +817,7 @@ static void f2fs_put_super(struct super_block *sb) mutex_unlock(&sbi->umount_mutex); /* our cp_error case, we can wait for any writeback page */ - f2fs_flush_merged_bios(sbi); + f2fs_flush_merged_writes(sbi); iput(sbi->node_inode); iput(sbi->meta_inode); diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 15da88c5c3a4..5805d92893a8 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -790,7 +790,7 @@ DEFINE_EVENT_CONDITION(f2fs__submit_page_bio, f2fs_submit_page_bio, TP_CONDITION(page->mapping) ); -DEFINE_EVENT_CONDITION(f2fs__submit_page_bio, f2fs_submit_page_mbio, +DEFINE_EVENT_CONDITION(f2fs__submit_page_bio, f2fs_submit_page_write, TP_PROTO(struct page *page, struct f2fs_io_info *fio), -- 2.11.0