diff --git a/fs/btrfs/bio.c b/fs/btrfs/bio.c
index b8fb7ef6b520600994a33e723d1c44993df13e24..8affc88b0e0a4b68ed61e08fd1552331fd9c8517 100644
--- a/fs/btrfs/bio.c
+++ b/fs/btrfs/bio.c
@@ -329,7 +329,16 @@ int btrfs_repair_io_failure(struct btrfs_fs_info *fs_info, u64 ino, u64 start,
&map_length, &bioc, mirror_num);
if (ret)
goto out_counter_dec;
- BUG_ON(mirror_num != bioc->mirror_num);
+ /*
+ * This happens when dev-replace is also running, and the
+ * mirror_num indicates the dev-replace target.
+ *
+ * In this case, we don't need to do anything, as the read
+ * error just means the replace progress hasn't reached our
+ * read range, and later replace routine would handle it well.
+ */
+ if (mirror_num != bioc->mirror_num)
+ goto out_counter_dec;
}
sector = bioc->stripes[bioc->mirror_num - 1].physical >> 9;
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 0888d484df80c93245e9d77cccabd3e093e0fc00..8aeaada1fcaec2a9de8128cac61d29fafef5210c 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -530,6 +530,9 @@ static int validate_extent_buffer(struct extent_buffer *eb,
}
if (found_level != check->level) {
+ btrfs_err(fs_info,
+ "level verify failed on logical %llu mirror %u wanted %u found %u",
+ eb->start, eb->read_mirror, check->level, found_level);
ret = -EIO;
goto out;
}
@@ -3381,6 +3384,8 @@ int btrfs_start_pre_rw_mount(struct btrfs_fs_info *fs_info)
/*
* Do various sanity and dependency checks of different features.
*
+ * @is_rw_mount: If the mount is read-write.
+ *
* This is the place for less strict checks (like for subpage or artificial
* feature dependencies).
*
@@ -3391,7 +3396,7 @@ int btrfs_start_pre_rw_mount(struct btrfs_fs_info *fs_info)
* (space cache related) can modify on-disk format like free space tree and
* screw up certain feature dependencies.
*/
-int btrfs_check_features(struct btrfs_fs_info *fs_info, struct super_block *sb)
+int btrfs_check_features(struct btrfs_fs_info *fs_info, bool is_rw_mount)
{
struct btrfs_super_block *disk_super = fs_info->super_copy;
u64 incompat = btrfs_super_incompat_flags(disk_super);
@@ -3430,7 +3435,7 @@ int btrfs_check_features(struct btrfs_fs_info *fs_info, struct super_block *sb)
if (btrfs_super_nodesize(disk_super) > PAGE_SIZE)
incompat |= BTRFS_FEATURE_INCOMPAT_BIG_METADATA;
- if (compat_ro_unsupp && !sb_rdonly(sb)) {
+ if (compat_ro_unsupp && is_rw_mount) {
btrfs_err(fs_info,
"cannot mount read-write because of unknown compat_ro features (0x%llx)",
compat_ro);
@@ -3633,7 +3638,7 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
goto fail_alloc;
}
- ret = btrfs_check_features(fs_info, sb);
+ ret = btrfs_check_features(fs_info, !sb_rdonly(sb));
if (ret < 0) {
err = ret;
goto fail_alloc;
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 363935cfc084464bcb3bb7386b5eea54e511f307..f2f295eb6103da3dd00e1d30c086a910c41747a5 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -50,7 +50,7 @@ int __cold open_ctree(struct super_block *sb,
void __cold close_ctree(struct btrfs_fs_info *fs_info);
int btrfs_validate_super(struct btrfs_fs_info *fs_info,
struct btrfs_super_block *sb, int mirror_num);
-int btrfs_check_features(struct btrfs_fs_info *fs_info, struct super_block *sb);
+int btrfs_check_features(struct btrfs_fs_info *fs_info, bool is_rw_mount);
int write_all_supers(struct btrfs_fs_info *fs_info, int max_mirrors);
struct btrfs_super_block *btrfs_read_dev_super(struct block_device *bdev);
struct btrfs_super_block *btrfs_read_dev_one_super(struct block_device *bdev,
diff --git a/fs/btrfs/extent-io-tree.c b/fs/btrfs/extent-io-tree.c
index 9ae9cd1e70352a615de5cfcf07a9353632c931d6..3c7766dfaa694a45fdc82bf8d6704318813b0110 100644
--- a/fs/btrfs/extent-io-tree.c
+++ b/fs/btrfs/extent-io-tree.c
@@ -1551,7 +1551,7 @@ u64 count_range_bits(struct extent_io_tree *tree,
u64 last = 0;
int found = 0;
- if (WARN_ON(search_end <= cur_start))
+ if (WARN_ON(search_end < cur_start))
return 0;
spin_lock(&tree->lock);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 892d78c1853c763878ac674634ba99c46677f1ea..72ba13b027a9e6b971bfd0446043815154f854fa 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -1713,6 +1713,11 @@ static int run_one_delayed_ref(struct btrfs_trans_handle *trans,
BUG();
if (ret && insert_reserved)
btrfs_pin_extent(trans, node->bytenr, node->num_bytes, 1);
+ if (ret < 0)
+ btrfs_err(trans->fs_info,
+"failed to run delayed ref for logical %llu num_bytes %llu type %u action %u ref_mod %d: %d",
+ node->bytenr, node->num_bytes, node->type,
+ node->action, node->ref_mod, ret);
return ret;
}
@@ -1954,8 +1959,6 @@ static int btrfs_run_delayed_refs_for_head(struct btrfs_trans_handle *trans,
if (ret) {
unselect_delayed_ref_head(delayed_refs, locked_ref);
btrfs_put_delayed_ref(ref);
- btrfs_debug(fs_info, "run_one_delayed_ref returned %d",
- ret);
return ret;
}
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 83dd3aa5966357bafca78ca9aeb31a95968b31be..9bd32daa9b9a6fc5a316003a65b7c71d3b236ea6 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -103,6 +103,15 @@ struct btrfs_bio_ctrl {
u32 len_to_oe_boundary;
btrfs_bio_end_io_t end_io_func;
+ /*
+ * This is for metadata read, to provide the extra needed verification
+ * info. This has to be provided for submit_one_bio(), as
+ * submit_one_bio() can submit a bio if it ends at stripe boundary. If
+ * no such parent_check is provided, the metadata can hit false alert at
+ * endio time.
+ */
+ struct btrfs_tree_parent_check *parent_check;
+
/*
* Tell writepage not to lock the state bits for this range, it still
* does the unlocking.
@@ -133,13 +142,24 @@ static void submit_one_bio(struct btrfs_bio_ctrl *bio_ctrl)
btrfs_bio(bio)->file_offset = page_offset(bv->bv_page) + bv->bv_offset;
- if (!is_data_inode(&inode->vfs_inode))
+ if (!is_data_inode(&inode->vfs_inode)) {
+ if (btrfs_op(bio) != BTRFS_MAP_WRITE) {
+ /*
+ * For metadata read, we should have the parent_check,
+ * and copy it to bbio for metadata verification.
+ */
+ ASSERT(bio_ctrl->parent_check);
+ memcpy(&btrfs_bio(bio)->parent_check,
+ bio_ctrl->parent_check,
+ sizeof(struct btrfs_tree_parent_check));
+ }
btrfs_submit_metadata_bio(inode, bio, mirror_num);
- else if (btrfs_op(bio) == BTRFS_MAP_WRITE)
+ } else if (btrfs_op(bio) == BTRFS_MAP_WRITE) {
btrfs_submit_data_write_bio(inode, bio, mirror_num);
- else
+ } else {
btrfs_submit_data_read_bio(inode, bio, mirror_num,
bio_ctrl->compress_type);
+ }
/* The bio is owned by the end_io handler now */
bio_ctrl->bio = NULL;
@@ -4829,6 +4849,7 @@ static int read_extent_buffer_subpage(struct extent_buffer *eb, int wait,
struct extent_state *cached_state = NULL;
struct btrfs_bio_ctrl bio_ctrl = {
.mirror_num = mirror_num,
+ .parent_check = check,
};
int ret = 0;
@@ -4878,7 +4899,6 @@ static int read_extent_buffer_subpage(struct extent_buffer *eb, int wait,
*/
atomic_dec(&eb->io_pages);
}
- memcpy(&btrfs_bio(bio_ctrl.bio)->parent_check, check, sizeof(*check));
submit_one_bio(&bio_ctrl);
if (ret || wait != WAIT_COMPLETE) {
free_extent_state(cached_state);
@@ -4905,6 +4925,7 @@ int read_extent_buffer_pages(struct extent_buffer *eb, int wait, int mirror_num,
unsigned long num_reads = 0;
struct btrfs_bio_ctrl bio_ctrl = {
.mirror_num = mirror_num,
+ .parent_check = check,
};
if (test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags))
@@ -4996,7 +5017,6 @@ int read_extent_buffer_pages(struct extent_buffer *eb, int wait, int mirror_num,
}
}
- memcpy(&btrfs_bio(bio_ctrl.bio)->parent_check, check, sizeof(*check));
submit_one_bio(&bio_ctrl);
if (ret || wait != WAIT_COMPLETE)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 91b00eb2440e7d098bcf68e6bceed22c03e0d53c..834bbcb91102fde71f4e3a7c68135a3cd4277cdd 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -3354,7 +3354,7 @@ bool btrfs_find_delalloc_in_range(struct btrfs_inode *inode, u64 start, u64 end,
bool search_io_tree = true;
bool ret = false;
- while (cur_offset < end) {
+ while (cur_offset <= end) {
u64 delalloc_start;
u64 delalloc_end;
bool delalloc;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2ead7b1bdbaf141489ac3186f2d7817d18aa636d..98a800b8bd438b53e1ef21647bd6ebe95d385256 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7092,7 +7092,7 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
* Other members are not utilized for inline extents.
*/
ASSERT(em->block_start == EXTENT_MAP_INLINE);
- ASSERT(em->len = fs_info->sectorsize);
+ ASSERT(em->len == fs_info->sectorsize);
ret = read_inline_extent(inode, path, page);
if (ret < 0)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index d5de18d6517e730066cc2eda0696534a20658920..433ce221dc5c79a1c2b8d1a32a09473ae26a7205 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1705,7 +1705,7 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
if (ret)
goto restore;
- ret = btrfs_check_features(fs_info, sb);
+ ret = btrfs_check_features(fs_info, !(*flags & SB_RDONLY));
if (ret < 0)
goto restore;