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Commit d24bdcbf authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: show the number of writeback pages in stat 



This patch adds the # of writeback pages in stat info.

Reviewed-by: default avatarChao Yu <chao2.yu@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent f68daeeb

fs/f2fs/debug.c

+3 −2
Original line number Diff line number Diff line
@@ -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);
@@ -266,8 +267,8 @@ 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",

fs/f2fs/f2fs.h

+1 −1
Original line number Diff line number Diff line
@@ -1549,7 +1549,7 @@ struct f2fs_stat_info { 
	int ndirty_node, ndirty_dent, ndirty_dirs, ndirty_meta;

	int nats, dirty_nats, sits, dirty_sits, fnids;

	int total_count, utilization;

	int bg_gc, inline_inode, inline_dir, inmem_pages;

	int bg_gc, inline_inode, inline_dir, inmem_pages, wb_pages;

	unsigned int valid_count, valid_node_count, valid_inode_count;

	unsigned int bimodal, avg_vblocks;

	int util_free, util_valid, util_invalid;