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-rw-r--r--fs/ubifs/scan.c32
1 files changed, 22 insertions, 10 deletions
diff --git a/fs/ubifs/scan.c b/fs/ubifs/scan.c
index 892ebfee4fe5..96c525384191 100644
--- a/fs/ubifs/scan.c
+++ b/fs/ubifs/scan.c
@@ -108,10 +108,9 @@ int ubifs_scan_a_node(const struct ubifs_info *c, void *buf, int len, int lnum,
/* Make the node pads to 8-byte boundary */
if ((node_len + pad_len) & 7) {
- if (!quiet) {
+ if (!quiet)
dbg_err("bad padding length %d - %d",
offs, offs + node_len + pad_len);
- }
return SCANNED_A_BAD_PAD_NODE;
}
@@ -253,15 +252,19 @@ void ubifs_scanned_corruption(const struct ubifs_info *c, int lnum, int offs,
* @c: UBIFS file-system description object
* @lnum: logical eraseblock number
* @offs: offset to start at (usually zero)
- * @sbuf: scan buffer (must be c->leb_size)
+ * @sbuf: scan buffer (must be of @c->leb_size bytes in size)
+ * @quiet: print no messages
*
* This function scans LEB number @lnum and returns complete information about
* its contents. Returns the scaned information in case of success and,
* %-EUCLEAN if the LEB neads recovery, and other negative error codes in case
* of failure.
+ *
+ * If @quiet is non-zero, this function does not print large and scary
+ * error messages and flash dumps in case of errors.
*/
struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum,
- int offs, void *sbuf)
+ int offs, void *sbuf, int quiet)
{
void *buf = sbuf + offs;
int err, len = c->leb_size - offs;
@@ -280,7 +283,7 @@ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum,
cond_resched();
- ret = ubifs_scan_a_node(c, buf, len, lnum, offs, 0);
+ ret = ubifs_scan_a_node(c, buf, len, lnum, offs, quiet);
if (ret > 0) {
/* Padding bytes or a valid padding node */
offs += ret;
@@ -320,7 +323,9 @@ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum,
}
if (offs % c->min_io_size) {
- ubifs_err("empty space starts at non-aligned offset %d", offs);
+ if (!quiet)
+ ubifs_err("empty space starts at non-aligned offset %d",
+ offs);
goto corrupted;;
}
@@ -331,18 +336,25 @@ struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum,
break;
for (; len; offs++, buf++, len--)
if (*(uint8_t *)buf != 0xff) {
- ubifs_err("corrupt empty space at LEB %d:%d",
- lnum, offs);
+ if (!quiet)
+ ubifs_err("corrupt empty space at LEB %d:%d",
+ lnum, offs);
goto corrupted;
}
return sleb;
corrupted:
- ubifs_scanned_corruption(c, lnum, offs, buf);
+ if (!quiet) {
+ ubifs_scanned_corruption(c, lnum, offs, buf);
+ ubifs_err("LEB %d scanning failed", lnum);
+ }
err = -EUCLEAN;
+ ubifs_scan_destroy(sleb);
+ return ERR_PTR(err);
+
error:
- ubifs_err("LEB %d scanning failed", lnum);
+ ubifs_err("LEB %d scanning failed, error %d", lnum, err);
ubifs_scan_destroy(sleb);
return ERR_PTR(err);
}