Merge branch 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux...

[karo-tx-linux.git] / fs / btrfs / scrub.c

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 67783e03d1211bdcba1e84a20aa56a528916c370..85e072b956d564d64c527c1b58d3b5b26019c34f 100644 (file)
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -28,6 +28,7 @@
 #include "dev-replace.h"
 #include "check-integrity.h"
 #include "rcu-string.h"
+#include "raid56.h"
 
 /*
  * This is only the first step towards a full-features scrub. It reads all
@@ -541,7 +542,6 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock)
        eb = path->nodes[0];
        ei = btrfs_item_ptr(eb, path->slots[0], struct btrfs_extent_item);
        item_size = btrfs_item_size_nr(eb, path->slots[0]);
-       btrfs_release_path(path);
 
        if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
                do {
@@ -557,7 +557,9 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock)
                                ret < 0 ? -1 : ref_level,
                                ret < 0 ? -1 : ref_root);
                } while (ret != 1);
+               btrfs_release_path(path);
        } else {
+               btrfs_release_path(path);
                swarn.path = path;
                swarn.dev = dev;
                iterate_extent_inodes(fs_info, found_key.objectid,
@@ -2254,6 +2256,13 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
        struct btrfs_device *extent_dev;
        int extent_mirror_num;
 
+       if (map->type & (BTRFS_BLOCK_GROUP_RAID5 |
+                        BTRFS_BLOCK_GROUP_RAID6)) {
+               if (num >= nr_data_stripes(map)) {
+                       return 0;
+               }
+       }
+
        nstripes = length;
        offset = 0;
        do_div(nstripes, map->stripe_len);
@@ -2708,7 +2717,7 @@ static noinline_for_stack int scrub_supers(struct scrub_ctx *sctx,
        int     ret;
        struct btrfs_root *root = sctx->dev_root;
 
-       if (root->fs_info->fs_state & BTRFS_SUPER_FLAG_ERROR)
+       if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))
                return -EIO;
 
        gen = root->fs_info->last_trans_committed;