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f2fs: use bio count instead of F2FS_WRITEBACK page count

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This can reduce page counting overhead.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2016-05-17 16:23:36 -07:00
parent 10aa97c379
commit f573018491
5 changed files with 22 additions and 19 deletions
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6
fs/f2fs/debug.c
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@@ -48,7 +48,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE];
si->ndirty_files = sbi->ndirty_inode[FILE_INODE];
si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES);
si->wb_pages = get_pages(sbi, F2FS_WRITEBACK);
si->wb_bios = atomic_read(&sbi->nr_wb_bios);
si->total_count = (int)sbi->user_block_count / sbi->blocks_per_seg;
si->rsvd_segs = reserved_segments(sbi);
si->overp_segs = overprovision_segments(sbi);
@@ -299,8 +299,8 @@ static int stat_show(struct seq_file *s, void *v)
seq_printf(s, " - Inner Struct Count: tree: %d(%d), node: %d\n",
si->ext_tree, si->zombie_tree, si->ext_node);
seq_puts(s, "\nBalancing F2FS Async:\n");
seq_printf(s, " - inmem: %4d, wb: %4d\n",
si->inmem_pages, si->wb_pages);
seq_printf(s, " - inmem: %4d, wb_bios: %4d\n",
si->inmem_pages, si->wb_bios);
seq_printf(s, " - nodes: %4d in %4d\n",
si->ndirty_node, si->node_pages);
seq_printf(s, " - dents: %4d in dirs:%4d\n",