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authorhujianyang <hujianyang@huawei.com>2014-06-24 07:46:36 +0400
committerArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2014-07-19 10:53:51 +0400
commitc7b5bb0beb80e5ee993118ae82d0b8264526b6bf (patch)
tree05423b7e781a036807e903f15ad7763ea580ec24 /fs/ubifs
parentb793a8c8885d87d9867fb2dbfdc1ef7b5877d71b (diff)
downloadlinux-c7b5bb0beb80e5ee993118ae82d0b8264526b6bf.tar.xz
UBIFS: remove useless @ecc in struct ubifs_scan_leb
We set @ecc in ubifs_scan_leb only if leb_read returns EBADMSG and do not use it any more. This patch removes this variable and adds comments about EBADMSG handling. Artem: re-phrase commentaries Signed-off-by: hujianyang <hujianyang@huawei.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Diffstat (limited to 'fs/ubifs')
-rw-r--r--fs/ubifs/scan.c7
-rw-r--r--fs/ubifs/ubifs.h2
2 files changed, 4 insertions, 5 deletions
diff --git a/fs/ubifs/scan.c b/fs/ubifs/scan.c
index 58aa05df2bb6..e5b7c591841b 100644
--- a/fs/ubifs/scan.c
+++ b/fs/ubifs/scan.c
@@ -157,9 +157,10 @@ struct ubifs_scan_leb *ubifs_start_scan(const struct ubifs_info *c, int lnum,
return ERR_PTR(err);
}
- if (err == -EBADMSG)
- sleb->ecc = 1;
-
+ /*
+ * Note, we ignore integrity errors (EBASMSG) because all the nodes are
+ * protected by CRC checksums.
+ */
return sleb;
}
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index c1f71fe17cc0..977a01bf1720 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -314,7 +314,6 @@ struct ubifs_scan_node {
* @nodes_cnt: number of nodes scanned
* @nodes: list of struct ubifs_scan_node
* @endpt: end point (and therefore the start of empty space)
- * @ecc: read returned -EBADMSG
* @buf: buffer containing entire LEB scanned
*/
struct ubifs_scan_leb {
@@ -322,7 +321,6 @@ struct ubifs_scan_leb {
int nodes_cnt;
struct list_head nodes;
int endpt;
- int ecc;
void *buf;
};