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Commit 34bdc3e2 authored by Artem Bityutskiy's avatar Artem Bityutskiy
Browse files

UBIFS: simplify lprops debugging check 



Now we return all errors from 'scan_check_cb()' directly, so we do not need
'struct scan_check_data' any more, and this patch removes it.

Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
parent dcc50c8e

fs/ubifs/lprops.c

+15 −33
Original line number Diff line number Diff line
@@ -1006,22 +1006,12 @@ void dbg_check_heap(struct ubifs_info *c, struct ubifs_lpt_heap *heap, int cat, 
	}

}



/**

 * struct scan_check_data - data provided to scan callback function.

 * @lst: LEB properties statistics

 * @err: error code

 */

struct scan_check_data {

	struct ubifs_lp_stats lst;

	int err;

};



/**

 * scan_check_cb - scan callback.

 * @c: the UBIFS file-system description object

 * @lp: LEB properties to scan

 * @in_tree: whether the LEB properties are in main memory

 * @data: information passed to and from the caller of the scan

 * @lst: lprops statistics to update

 *

 * This function returns a code that indicates whether the scan should continue

 * (%LPT_SCAN_CONTINUE), whether the LEB properties should be added to the tree
@@ -1030,11 +1020,10 @@ struct scan_check_data { 
 */

static int scan_check_cb(struct ubifs_info *c,

			 const struct ubifs_lprops *lp, int in_tree,

			 struct scan_check_data *data)

			 struct ubifs_lp_stats *lst)

{

	struct ubifs_scan_leb *sleb;

	struct ubifs_scan_node *snod;

	struct ubifs_lp_stats *lst = &data->lst;

	int cat, lnum = lp->lnum, is_idx = 0, used = 0, free, dirty, ret;

	void *buf = NULL;
@@ -1267,8 +1256,7 @@ static int scan_check_cb(struct ubifs_info *c, 
int dbg_check_lprops(struct ubifs_info *c)

{

	int i, err;

	struct scan_check_data data;

	struct ubifs_lp_stats *lst = &data.lst;

	struct ubifs_lp_stats lst;



	if (!(ubifs_chk_flags & UBIFS_CHK_LPROPS))

		return 0;
@@ -1283,29 +1271,23 @@ int dbg_check_lprops(struct ubifs_info *c) 
			return err;

	}



	memset(lst, 0, sizeof(struct ubifs_lp_stats));



	data.err = 0;

	memset(&lst, 0, sizeof(struct ubifs_lp_stats));

	err = ubifs_lpt_scan_nolock(c, c->main_first, c->leb_cnt - 1,

				    (ubifs_lpt_scan_callback)scan_check_cb,

				    &data);

				    &lst);

	if (err && err != -ENOSPC)

		goto out;

	if (data.err) {

		err = data.err;

		goto out;

	}



	if (lst->empty_lebs != c->lst.empty_lebs ||

	    lst->idx_lebs != c->lst.idx_lebs ||

	    lst->total_free != c->lst.total_free ||

	    lst->total_dirty != c->lst.total_dirty ||

	    lst->total_used != c->lst.total_used) {

	if (lst.empty_lebs != c->lst.empty_lebs ||

	    lst.idx_lebs != c->lst.idx_lebs ||

	    lst.total_free != c->lst.total_free ||

	    lst.total_dirty != c->lst.total_dirty ||

	    lst.total_used != c->lst.total_used) {

		ubifs_err("bad overall accounting");

		ubifs_err("calculated: empty_lebs %d, idx_lebs %d, "

			  "total_free %lld, total_dirty %lld, total_used %lld",

			  lst->empty_lebs, lst->idx_lebs, lst->total_free,

			  lst->total_dirty, lst->total_used);

			  lst.empty_lebs, lst.idx_lebs, lst.total_free,

			  lst.total_dirty, lst.total_used);

		ubifs_err("read from lprops: empty_lebs %d, idx_lebs %d, "

			  "total_free %lld, total_dirty %lld, total_used %lld",

			  c->lst.empty_lebs, c->lst.idx_lebs, c->lst.total_free,
@@ -1314,11 +1296,11 @@ int dbg_check_lprops(struct ubifs_info *c) 
		goto out;

	}



	if (lst->total_dead != c->lst.total_dead ||

	    lst->total_dark != c->lst.total_dark) {

	if (lst.total_dead != c->lst.total_dead ||

	    lst.total_dark != c->lst.total_dark) {

		ubifs_err("bad dead/dark space accounting");

		ubifs_err("calculated: total_dead %lld, total_dark %lld",

			  lst->total_dead, lst->total_dark);

			  lst.total_dead, lst.total_dark);

		ubifs_err("read from lprops: total_dead %lld, total_dark %lld",

			  c->lst.total_dead, c->lst.total_dark);

		err = -EINVAL;