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Commit bc7ed7f3 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: expose quota information in debugfs 



This patch shows # of dirty pages and # of hidden quota files.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent c269d143

fs/f2fs/debug.c

+11 −0
Original line number Diff line number Diff line
@@ -45,9 +45,18 @@ static void update_general_status(struct f2fs_sb_info *sbi) 
	si->ndirty_dent = get_pages(sbi, F2FS_DIRTY_DENTS);

	si->ndirty_meta = get_pages(sbi, F2FS_DIRTY_META);

	si->ndirty_data = get_pages(sbi, F2FS_DIRTY_DATA);

	si->ndirty_qdata = get_pages(sbi, F2FS_DIRTY_QDATA);

	si->ndirty_imeta = get_pages(sbi, F2FS_DIRTY_IMETA);

	si->ndirty_dirs = sbi->ndirty_inode[DIR_INODE];

	si->ndirty_files = sbi->ndirty_inode[FILE_INODE];



	si->nquota_files = 0;

	if (f2fs_sb_has_quota_ino(sbi->sb)) {

		for (i = 0; i < MAXQUOTAS; i++) {

			if (f2fs_qf_ino(sbi->sb, i))

				si->nquota_files++;

		}

	}

	si->ndirty_all = sbi->ndirty_inode[DIRTY_META];

	si->inmem_pages = get_pages(sbi, F2FS_INMEM_PAGES);

	si->aw_cnt = atomic_read(&sbi->aw_cnt);
@@ -371,6 +380,8 @@ static int stat_show(struct seq_file *s, void *v) 
			   si->ndirty_dent, si->ndirty_dirs, si->ndirty_all);

		seq_printf(s, "  - datas: %4d in files:%4d\n",

			   si->ndirty_data, si->ndirty_files);

		seq_printf(s, "  - quota datas: %4d in quota files:%4d\n",

			   si->ndirty_qdata, si->nquota_files);

		seq_printf(s, "  - meta: %4d in %4d\n",

			   si->ndirty_meta, si->meta_pages);

		seq_printf(s, "  - imeta: %4d\n",

fs/f2fs/f2fs.h

+8 −2
Original line number Diff line number Diff line
@@ -959,6 +959,7 @@ struct f2fs_sm_info { 
enum count_type {

	F2FS_DIRTY_DENTS,

	F2FS_DIRTY_DATA,

	F2FS_DIRTY_QDATA,

	F2FS_DIRTY_NODES,

	F2FS_DIRTY_META,

	F2FS_INMEM_PAGES,
@@ -1737,6 +1738,8 @@ static inline void inode_inc_dirty_pages(struct inode *inode) 
	atomic_inc(&F2FS_I(inode)->dirty_pages);

	inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?

				F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);

	if (IS_NOQUOTA(inode))

		inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);

}



static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type)
@@ -1753,6 +1756,8 @@ static inline void inode_dec_dirty_pages(struct inode *inode) 
	atomic_dec(&F2FS_I(inode)->dirty_pages);

	dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ?

				F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA);

	if (IS_NOQUOTA(inode))

		dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA);

}



static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type)
@@ -2887,9 +2892,10 @@ struct f2fs_stat_info { 
	unsigned long long hit_largest, hit_cached, hit_rbtree;

	unsigned long long hit_total, total_ext;

	int ext_tree, zombie_tree, ext_node;

	int ndirty_node, ndirty_dent, ndirty_meta, ndirty_data, ndirty_imeta;

	int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta;

	int ndirty_data, ndirty_qdata;

	int inmem_pages;

	unsigned int ndirty_dirs, ndirty_files, ndirty_all;

	unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all;

	int nats, dirty_nats, sits, dirty_sits;

	int free_nids, avail_nids, alloc_nids;

	int total_count, utilization;