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path: root/fs/ubifs/debug.c
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Diffstat (limited to 'fs/ubifs/debug.c')
-rw-r--r--fs/ubifs/debug.c42
1 files changed, 29 insertions, 13 deletions
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c
index 8e8bba937331..546ad575b660 100644
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -602,7 +602,7 @@ void dbg_dump_lstats(const struct ubifs_lp_stats *lst)
spin_unlock(&dbg_lock);
}
-void dbg_dump_budg(struct ubifs_info *c)
+void dbg_dump_budg(struct ubifs_info *c, const struct ubifs_budg_info *bi)
{
int i;
struct rb_node *rb;
@@ -614,20 +614,29 @@ void dbg_dump_budg(struct ubifs_info *c)
spin_lock(&dbg_lock);
printk(KERN_DEBUG "(pid %d) Budgeting info: data budget sum %lld, "
"total budget sum %lld\n", current->pid,
- c->bi.data_growth + c->bi.dd_growth,
- c->bi.data_growth + c->bi.dd_growth + c->bi.idx_growth);
+ bi->data_growth + bi->dd_growth,
+ bi->data_growth + bi->dd_growth + bi->idx_growth);
printk(KERN_DEBUG "\tbudg_data_growth %lld, budg_dd_growth %lld, "
- "budg_idx_growth %lld\n", c->bi.data_growth, c->bi.dd_growth,
- c->bi.idx_growth);
+ "budg_idx_growth %lld\n", bi->data_growth, bi->dd_growth,
+ bi->idx_growth);
printk(KERN_DEBUG "\tmin_idx_lebs %d, old_idx_sz %llu, "
- "uncommitted_idx %lld\n", c->bi.min_idx_lebs, c->bi.old_idx_sz,
- c->bi.uncommitted_idx);
+ "uncommitted_idx %lld\n", bi->min_idx_lebs, bi->old_idx_sz,
+ bi->uncommitted_idx);
printk(KERN_DEBUG "\tpage_budget %d, inode_budget %d, dent_budget %d\n",
- c->bi.page_budget, c->bi.inode_budget, c->bi.dent_budget);
+ bi->page_budget, bi->inode_budget, bi->dent_budget);
printk(KERN_DEBUG "\tnospace %u, nospace_rp %u\n",
- c->bi.nospace, c->bi.nospace_rp);
+ bi->nospace, bi->nospace_rp);
printk(KERN_DEBUG "\tdark_wm %d, dead_wm %d, max_idx_node_sz %d\n",
c->dark_wm, c->dead_wm, c->max_idx_node_sz);
+
+ if (bi != &c->bi)
+ /*
+ * If we are dumping saved budgeting data, do not print
+ * additional information which is about the current state, not
+ * the old one which corresponded to the saved budgeting data.
+ */
+ goto out_unlock;
+
printk(KERN_DEBUG "\tfreeable_cnt %d, calc_idx_sz %lld, idx_gc_cnt %d\n",
c->freeable_cnt, c->calc_idx_sz, c->idx_gc_cnt);
printk(KERN_DEBUG "\tdirty_pg_cnt %ld, dirty_zn_cnt %ld, "
@@ -636,6 +645,7 @@ void dbg_dump_budg(struct ubifs_info *c)
atomic_long_read(&c->clean_zn_cnt));
printk(KERN_DEBUG "\tgc_lnum %d, ihead_lnum %d\n",
c->gc_lnum, c->ihead_lnum);
+
/* If we are in R/O mode, journal heads do not exist */
if (c->jheads)
for (i = 0; i < c->jhead_cnt; i++)
@@ -660,6 +670,7 @@ void dbg_dump_budg(struct ubifs_info *c)
printk(KERN_DEBUG "Budgeting predictions:\n");
printk(KERN_DEBUG "\tavailable: %lld, outstanding %lld, free %lld\n",
available, outstanding, free);
+out_unlock:
spin_unlock(&dbg_lock);
spin_unlock(&c->space_lock);
}
@@ -983,6 +994,8 @@ void dbg_save_space_info(struct ubifs_info *c)
spin_lock(&c->space_lock);
memcpy(&d->saved_lst, &c->lst, sizeof(struct ubifs_lp_stats));
+ memcpy(&d->saved_bi, &c->bi, sizeof(struct ubifs_budg_info));
+ d->saved_idx_gc_cnt = c->idx_gc_cnt;
/*
* We use a dirty hack here and zero out @c->freeable_cnt, because it
@@ -1049,11 +1062,14 @@ int dbg_check_space_info(struct ubifs_info *c)
out:
ubifs_msg("saved lprops statistics dump");
dbg_dump_lstats(&d->saved_lst);
- ubifs_get_lp_stats(c, &lst);
-
+ ubifs_msg("saved budgeting info dump");
+ dbg_dump_budg(c, &d->saved_bi);
+ ubifs_msg("saved idx_gc_cnt %d", d->saved_idx_gc_cnt);
ubifs_msg("current lprops statistics dump");
+ ubifs_get_lp_stats(c, &lst);
dbg_dump_lstats(&lst);
- dbg_dump_budg(c);
+ ubifs_msg("current budgeting info dump");
+ dbg_dump_budg(c, &c->bi);
dump_stack();
return -EINVAL;
}
@@ -2801,7 +2817,7 @@ static ssize_t write_debugfs_file(struct file *file, const char __user *buf,
if (file->f_path.dentry == d->dfs_dump_lprops)
dbg_dump_lprops(c);
else if (file->f_path.dentry == d->dfs_dump_budg)
- dbg_dump_budg(c);
+ dbg_dump_budg(c, &c->bi);
else if (file->f_path.dentry == d->dfs_dump_tnc) {
mutex_lock(&c->tnc_mutex);
dbg_dump_tnc(c);