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f2fs: show available_nids in f2fs/status

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This patch adds an entry in f2fs/status to show # of available nids.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2017-05-01 18:13:03 -07:00
parent 1c0f4bf5c3
commit 5b0ef73c9d
2 changed files with 5 additions and 3 deletions
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5
fs/f2fs/debug.c
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@ -97,6 +97,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
si->sits = MAIN_SEGS(sbi);
si->dirty_sits = SIT_I(sbi)->dirty_sentries;
si->free_nids = NM_I(sbi)->nid_cnt[FREE_NID_LIST];
si->avail_nids = NM_I(sbi)->available_nids;
si->alloc_nids = NM_I(sbi)->nid_cnt[ALLOC_NID_LIST];
si->bg_gc = sbi->bg_gc;
si->util_free = (int)(free_user_blocks(sbi) >> sbi->log_blocks_per_seg)
@ -370,8 +371,8 @@ static int stat_show(struct seq_file *s, void *v)
si->ndirty_imeta);
seq_printf(s, " - NATs: %9d/%9d\n - SITs: %9d/%9d\n",
si->dirty_nats, si->nats, si->dirty_sits, si->sits);
seq_printf(s, " - free_nids: %9d, alloc_nids: %9d\n",
si->free_nids, si->alloc_nids);
seq_printf(s, " - free_nids: %9d/%9d\n - alloc_nids: %9d\n",
si->free_nids, si->avail_nids, si->alloc_nids);
seq_puts(s, "\nDistribution of User Blocks:");
seq_puts(s, " [ valid | invalid | free ]\n");
seq_puts(s, " [");

3
fs/f2fs/f2fs.h
View File

@ -2394,7 +2394,8 @@ struct f2fs_stat_info {
int ndirty_node, ndirty_dent, ndirty_meta, ndirty_data, ndirty_imeta;
int inmem_pages;
unsigned int ndirty_dirs, ndirty_files, ndirty_all;
int nats, dirty_nats, sits, dirty_sits, free_nids, alloc_nids;
int nats, dirty_nats, sits, dirty_sits;
int free_nids, avail_nids, alloc_nids;
int total_count, utilization;
int bg_gc, nr_wb_cp_data, nr_wb_data;
int nr_flushing, nr_flushed, nr_discarding, nr_discarded;