btrfs: return EUCLEAN if extent_inline_ref type is invalid

If type of extent_inline_ref found is not expected, filesystem may have
been corrupted, should return EUCLEAN instead of EINVAL.

Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index 0a8e2e2..60f4afa 100644 (file)
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -925,7 +925,7 @@ static int add_inline_refs(const struct btrfs_fs_info *fs_info,
                type = btrfs_get_extent_inline_ref_type(leaf, iref,
                                                        BTRFS_REF_TYPE_ANY);
                if (type == BTRFS_REF_TYPE_INVALID)
-                       return -EINVAL;
+                       return -EUCLEAN;
 
                offset = btrfs_extent_inline_ref_offset(leaf, iref);
 
@@ -1793,7 +1793,7 @@ static int get_extent_inline_ref(unsigned long *ptr,
        *out_type = btrfs_get_extent_inline_ref_type(eb, *out_eiref,
                                                     BTRFS_REF_TYPE_ANY);
        if (*out_type == BTRFS_REF_TYPE_INVALID)
-               return -EINVAL;
+               return -EUCLEAN;
 
        *ptr += btrfs_extent_inline_ref_size(*out_type);
        WARN_ON(*ptr > end);

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 37d8927..b28fa3d 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1719,7 +1719,7 @@ again:
                iref = (struct btrfs_extent_inline_ref *)ptr;
                type = btrfs_get_extent_inline_ref_type(leaf, iref, needed);
                if (type == BTRFS_REF_TYPE_INVALID) {
-                       err = -EINVAL;
+                       err = -EUCLEAN;
                        goto out;
                }
 

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 2221403..44722e9 100644 (file)
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -792,7 +792,7 @@ again:
                        type = btrfs_get_extent_inline_ref_type(eb, iref,
                                                        BTRFS_REF_TYPE_BLOCK);
                        if (type == BTRFS_REF_TYPE_INVALID) {
-                               err = -EINVAL;
+                               err = -EUCLEAN;
                                goto out;
                        }
                        key.type = type;
@@ -3801,7 +3801,7 @@ int add_data_references(struct reloc_control *rc,
                        ret = find_data_references(rc, extent_key,
                                                   eb, dref, blocks);
                } else {
-                       ret = -EINVAL;
+                       ret = -EUCLEAN;
                        btrfs_err(rc->extent_root->fs_info,
                     "extent %llu slot %d has an invalid inline ref type",
                             eb->start, path->slots[0]);