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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2011-05-06 20:58:08 +0300
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2011-05-16 10:31:39 +0300
commit34bdc3e2578cae3162e481203a2980d55e184a73 (patch)
treebaeb3a1f175d381fb58e565c6f79b7758e7e5575 /fs
parentdcc50c8ee334d570cef84fc956084d567f32a8a3 (diff)
downloadop-kernel-dev-34bdc3e2578cae3162e481203a2980d55e184a73.zip
op-kernel-dev-34bdc3e2578cae3162e481203a2980d55e184a73.tar.gz
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: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/ubifs/lprops.c48
1 files changed, 15 insertions, 33 deletions
diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index ac4521a..77c541b 100644
--- a/fs/ubifs/lprops.c
+++ b/fs/ubifs/lprops.c
@@ -1007,21 +1007,11 @@ out:
}
/**
- * 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 @@ out:
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;
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