diff options
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/debug.c | 5 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 2 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 9 |
3 files changed, 14 insertions, 2 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 692beff66bf8..6102737473d4 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -69,6 +69,7 @@ static void update_general_status(struct f2fs_sb_info *sbi) atomic_read(&SM_I(sbi)->dcc_info->issing_discard); si->nr_discard_cmd = atomic_read(&SM_I(sbi)->dcc_info->discard_cmd_cnt); + si->undiscard_blks = SM_I(sbi)->dcc_info->undiscard_blks; } si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg; si->rsvd_segs = reserved_segments(sbi); @@ -348,11 +349,11 @@ static int stat_show(struct seq_file *s, void *v) si->ext_tree, si->zombie_tree, si->ext_node); seq_puts(s, "\nBalancing F2FS Async:\n"); seq_printf(s, " - IO (CP: %4d, Data: %4d, Flush: (%4d %4d), " - "Discard: (%4d %4d)) cmd: %4d\n", + "Discard: (%4d %4d)) cmd: %4d undiscard:%4u\n", si->nr_wb_cp_data, si->nr_wb_data, si->nr_flushing, si->nr_flushed, si->nr_discarding, si->nr_discarded, - si->nr_discard_cmd); + si->nr_discard_cmd, si->undiscard_blks); seq_printf(s, " - inmem: %4d, atomic IO: %4d (Max. %4d), " "volatile IO: %4d (Max. %4d)\n", si->inmem_pages, si->aw_cnt, si->max_aw_cnt, diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 37911ef7223d..58d288e596a7 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -232,6 +232,7 @@ struct discard_cmd_control { struct mutex cmd_lock; int nr_discards; /* # of discards in the list */ int max_discards; /* max. discards to be issued */ + unsigned int undiscard_blks; /* # of undiscard blocks */ atomic_t issued_discard; /* # of issued discard */ atomic_t issing_discard; /* # of issing discard */ atomic_t discard_cmd_cnt; /* # of cached cmd count */ @@ -2390,6 +2391,7 @@ struct f2fs_stat_info { int bg_gc, nr_wb_cp_data, nr_wb_data; int nr_flushing, nr_flushed, nr_discarding, nr_discarded; int nr_discard_cmd; + unsigned int undiscard_blks; int inline_xattr, inline_inode, inline_dir, append, update, orphans; int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index f88271643ec4..dd07c5c91ac4 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -695,6 +695,7 @@ static struct discard_cmd *__create_discard_cmd(struct f2fs_sb_info *sbi, init_completion(&dc->wait); list_add_tail(&dc->list, pend_list); atomic_inc(&dcc->discard_cmd_cnt); + dcc->undiscard_blks += len; return dc; } @@ -723,6 +724,7 @@ static void __detach_discard_cmd(struct discard_cmd_control *dcc, list_del(&dc->list); rb_erase(&dc->rb_node, &dcc->root); + dcc->undiscard_blks -= dc->len; kmem_cache_free(discard_cmd_slab, dc); @@ -830,8 +832,11 @@ static void __punch_discard_cmd(struct f2fs_sb_info *sbi, return; } + dcc->undiscard_blks -= di.len; + if (blkaddr > di.lstart) { dc->len = blkaddr - dc->lstart; + dcc->undiscard_blks += dc->len; __relocate_discard_cmd(dcc, dc); f2fs_bug_on(sbi, !__check_rb_tree_consistence(sbi, &dcc->root)); modified = true; @@ -849,6 +854,7 @@ static void __punch_discard_cmd(struct f2fs_sb_info *sbi, dc->lstart++; dc->len--; dc->start++; + dcc->undiscard_blks += dc->len; __relocate_discard_cmd(dcc, dc); f2fs_bug_on(sbi, !__check_rb_tree_consistence(sbi, &dcc->root)); @@ -910,6 +916,7 @@ static void __update_discard_tree_range(struct f2fs_sb_info *sbi, prev_dc->bdev == bdev && __is_discard_back_mergeable(&di, &prev_dc->di)) { prev_dc->di.len += di.len; + dcc->undiscard_blks += di.len; __relocate_discard_cmd(dcc, prev_dc); f2fs_bug_on(sbi, !__check_rb_tree_consistence(sbi, &dcc->root)); @@ -924,6 +931,7 @@ static void __update_discard_tree_range(struct f2fs_sb_info *sbi, next_dc->di.lstart = di.lstart; next_dc->di.len += di.len; next_dc->di.start = di.start; + dcc->undiscard_blks += di.len; __relocate_discard_cmd(dcc, next_dc); if (tdc) __remove_discard_cmd(sbi, tdc); @@ -1357,6 +1365,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi) atomic_set(&dcc->discard_cmd_cnt, 0); dcc->nr_discards = 0; dcc->max_discards = 0; + dcc->undiscard_blks = 0; dcc->root = RB_ROOT; init_waitqueue_head(&dcc->discard_wait_queue); |