Merge branch 'i2c/for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa...

[firefly-linux-kernel-4.4.55.git] / fs / f2fs / debug.c

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index b45daab97f0ba48ae46954e17164eed42f050f9f..e671373cc8ab89610a9d000e5e689fb698b95f0e 100644 (file)
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -40,6 +40,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
        si->ndirty_dirs = sbi->n_dirty_dirs;
        si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META);
        si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES);
+       si->wb_pages = get_pages(sbi, F2FS_WRITEBACK);
        si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
        si->rsvd_segs = reserved_segments(sbi);
        si->overp_segs = overprovision_segments(sbi);
@@ -141,6 +142,7 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
        si->base_mem += MAIN_SEGS(sbi) * sizeof(struct seg_entry);
        si->base_mem += f2fs_bitmap_size(MAIN_SEGS(sbi));
        si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * MAIN_SEGS(sbi);
+       si->base_mem += SIT_VBLOCK_MAP_SIZE;
        if (sbi->segs_per_sec > 1)
                si->base_mem += MAIN_SECS(sbi) * sizeof(struct sec_entry);
        si->base_mem += __bitmap_size(sbi, SIT_BITMAP);
@@ -177,13 +179,18 @@ get_cache:
        /* free nids */
        si->cache_mem += NM_I(sbi)->fcnt * sizeof(struct free_nid);
        si->cache_mem += NM_I(sbi)->nat_cnt * sizeof(struct nat_entry);
-       npages = NODE_MAPPING(sbi)->nrpages;
-       si->cache_mem += npages << PAGE_CACHE_SHIFT;
-       npages = META_MAPPING(sbi)->nrpages;
-       si->cache_mem += npages << PAGE_CACHE_SHIFT;
+       si->cache_mem += NM_I(sbi)->dirty_nat_cnt *
+                                       sizeof(struct nat_entry_set);
+       si->cache_mem += si->inmem_pages * sizeof(struct inmem_pages);
        si->cache_mem += sbi->n_dirty_dirs * sizeof(struct inode_entry);
        for (i = 0; i <= UPDATE_INO; i++)
                si->cache_mem += sbi->im[i].ino_num * sizeof(struct ino_entry);
+
+       si->page_mem = 0;
+       npages = NODE_MAPPING(sbi)->nrpages;
+       si->page_mem += npages << PAGE_CACHE_SHIFT;
+       npages = META_MAPPING(sbi)->nrpages;
+       si->page_mem += npages << PAGE_CACHE_SHIFT;
 }
 
 static int stat_show(struct seq_file *s, void *v)
@@ -261,8 +268,8 @@ static int stat_show(struct seq_file *s, void *v)
                seq_printf(s, "\nExtent Hit Ratio: %d / %d\n",
                           si->hit_ext, si->total_ext);
                seq_puts(s, "\nBalancing F2FS Async:\n");
-               seq_printf(s, "  - inmem: %4d\n",
-                          si->inmem_pages);
+               seq_printf(s, "  - inmem: %4d, wb: %4d\n",
+                          si->inmem_pages, si->wb_pages);
                seq_printf(s, "  - nodes: %4d in %4d\n",
                           si->ndirty_node, si->node_pages);
                seq_printf(s, "  - dents: %4d in dirs:%4d\n",
@@ -301,9 +308,14 @@ static int stat_show(struct seq_file *s, void *v)
 
                /* memory footprint */
                update_mem_info(si->sbi);
-               seq_printf(s, "\nMemory: %u KB = static: %u + cached: %u\n",
-                               (si->base_mem + si->cache_mem) >> 10,
-                               si->base_mem >> 10, si->cache_mem >> 10);
+               seq_printf(s, "\nMemory: %u KB\n",
+                       (si->base_mem + si->cache_mem + si->page_mem) >> 10);
+               seq_printf(s, "  - static: %u KB\n",
+                               si->base_mem >> 10);
+               seq_printf(s, "  - cached: %u KB\n",
+                               si->cache_mem >> 10);
+               seq_printf(s, "  - paged : %u KB\n",
+                               si->page_mem >> 10);
        }
        mutex_unlock(&f2fs_stat_mutex);
        return 0;