diff options
Diffstat (limited to 'fs/ubifs/debug.c')
| -rw-r--r-- | fs/ubifs/debug.c | 112 |
1 files changed, 105 insertions, 7 deletions
diff --git a/fs/ubifs/debug.c b/fs/ubifs/debug.c index ce2cd8343618..dbc093afd946 100644 --- a/fs/ubifs/debug.c +++ b/fs/ubifs/debug.c @@ -210,6 +210,20 @@ const char *dbg_cstate(int cmt_state) } } +const char *dbg_jhead(int jhead) +{ + switch (jhead) { + case GCHD: + return "0 (GC)"; + case BASEHD: + return "1 (base)"; + case DATAHD: + return "2 (data)"; + default: + return "unknown journal head"; + } +} + static void dump_ch(const struct ubifs_ch *ch) { printk(KERN_DEBUG "\tmagic %#x\n", le32_to_cpu(ch->magic)); @@ -623,8 +637,9 @@ void dbg_dump_budg(struct ubifs_info *c) /* If we are in R/O mode, journal heads do not exist */ if (c->jheads) for (i = 0; i < c->jhead_cnt; i++) - printk(KERN_DEBUG "\tjhead %d\t LEB %d\n", - c->jheads[i].wbuf.jhead, c->jheads[i].wbuf.lnum); + printk(KERN_DEBUG "\tjhead %s\t LEB %d\n", + dbg_jhead(c->jheads[i].wbuf.jhead), + c->jheads[i].wbuf.lnum); for (rb = rb_first(&c->buds); rb; rb = rb_next(rb)) { bud = rb_entry(rb, struct ubifs_bud, rb); printk(KERN_DEBUG "\tbud LEB %d\n", bud->lnum); @@ -648,9 +663,90 @@ void dbg_dump_budg(struct ubifs_info *c) void dbg_dump_lprop(const struct ubifs_info *c, const struct ubifs_lprops *lp) { - printk(KERN_DEBUG "LEB %d lprops: free %d, dirty %d (used %d), " - "flags %#x\n", lp->lnum, lp->free, lp->dirty, - c->leb_size - lp->free - lp->dirty, lp->flags); + int i, spc, dark = 0, dead = 0; + struct rb_node *rb; + struct ubifs_bud *bud; + + spc = lp->free + lp->dirty; + if (spc < c->dead_wm) + dead = spc; + else + dark = ubifs_calc_dark(c, spc); + + if (lp->flags & LPROPS_INDEX) + printk(KERN_DEBUG "LEB %-7d free %-8d dirty %-8d used %-8d " + "free + dirty %-8d flags %#x (", lp->lnum, lp->free, + lp->dirty, c->leb_size - spc, spc, lp->flags); + else + printk(KERN_DEBUG "LEB %-7d free %-8d dirty %-8d used %-8d " + "free + dirty %-8d dark %-4d dead %-4d nodes fit %-3d " + "flags %#-4x (", lp->lnum, lp->free, lp->dirty, + c->leb_size - spc, spc, dark, dead, + (int)(spc / UBIFS_MAX_NODE_SZ), lp->flags); + + if (lp->flags & LPROPS_TAKEN) { + if (lp->flags & LPROPS_INDEX) + printk(KERN_CONT "index, taken"); + else + printk(KERN_CONT "taken"); + } else { + const char *s; + + if (lp->flags & LPROPS_INDEX) { + switch (lp->flags & LPROPS_CAT_MASK) { + case LPROPS_DIRTY_IDX: + s = "dirty index"; + break; + case LPROPS_FRDI_IDX: + s = "freeable index"; + break; + default: + s = "index"; + } + } else { + switch (lp->flags & LPROPS_CAT_MASK) { + case LPROPS_UNCAT: + s = "not categorized"; + break; + case LPROPS_DIRTY: + s = "dirty"; + break; + case LPROPS_FREE: + s = "free"; + break; + case LPROPS_EMPTY: + s = "empty"; + break; + case LPROPS_FREEABLE: + s = "freeable"; + break; + default: + s = NULL; + break; + } + } + printk(KERN_CONT "%s", s); + } + + for (rb = rb_first((struct rb_root *)&c->buds); rb; rb = rb_next(rb)) { + bud = rb_entry(rb, struct ubifs_bud, rb); + if (bud->lnum == lp->lnum) { + int head = 0; + for (i = 0; i < c->jhead_cnt; i++) { + if (lp->lnum == c->jheads[i].wbuf.lnum) { + printk(KERN_CONT ", jhead %s", + dbg_jhead(i)); + head = 1; + } + } + if (!head) + printk(KERN_CONT ", bud of jhead %s", + dbg_jhead(bud->jhead)); + } + } + if (lp->lnum == c->gc_lnum) + printk(KERN_CONT ", GC LEB"); + printk(KERN_CONT ")\n"); } void dbg_dump_lprops(struct ubifs_info *c) @@ -724,7 +820,7 @@ void dbg_dump_leb(const struct ubifs_info *c, int lnum) printk(KERN_DEBUG "(pid %d) start dumping LEB %d\n", current->pid, lnum); - sleb = ubifs_scan(c, lnum, 0, c->dbg->buf); + sleb = ubifs_scan(c, lnum, 0, c->dbg->buf, 0); if (IS_ERR(sleb)) { ubifs_err("scan error %d", (int)PTR_ERR(sleb)); return; @@ -909,8 +1005,10 @@ out: ubifs_msg("saved lprops statistics dump"); dbg_dump_lstats(&d->saved_lst); ubifs_get_lp_stats(c, &lst); + ubifs_msg("current lprops statistics dump"); - dbg_dump_lstats(&d->saved_lst); + dbg_dump_lstats(&lst); + spin_lock(&c->space_lock); dbg_dump_budg(c); spin_unlock(&c->space_lock); |