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Tue, 31 Mar 2026 22:37:00 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id Y1m9LoxMzGn4DAAAD6G6ig (envelope-from ); Tue, 31 Mar 2026 22:37:00 +0000 From: David Sterba To: linux-btrfs@vger.kernel.org Cc: David Sterba Subject: [PATCH] btrfs: make more ASSERTs verbose, part 3 Date: Wed, 1 Apr 2026 00:36:59 +0200 Message-ID: <20260331223659.2098718-1-dsterba@suse.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-3.01 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.com:s=susede1]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; MIME_TRACE(0.00)[0:+]; FUZZY_RATELIMITED(0.00)[rspamd.com]; TO_DN_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:dkim,suse.com:mid,suse.com:email]; RCVD_TLS_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; DKIM_TRACE(0.00)[suse.com:+] X-Rspamd-Queue-Id: CE25E5BD35 X-Spam-Flag: NO X-Spam-Score: -3.01 X-Spam-Level: We have support for optional string to be printed in ASSERT() (added in 19468a623a9109 ("btrfs: enhance ASSERT() to take optional format string")), it's not yet everywhere it could be so add a few more files. Try to finish what was left after 1c094e6ccead7a ("btrfs: make a few more ASSERTs verbose"). Signed-off-by: David Sterba --- fs/btrfs/backref.c | 4 ++-- fs/btrfs/extent-tree.c | 14 +++++++++----- fs/btrfs/extent_map.c | 6 +++--- fs/btrfs/fiemap.c | 2 +- fs/btrfs/file-item.c | 4 +++- fs/btrfs/file.c | 10 +++++++--- fs/btrfs/ioctl.c | 3 ++- fs/btrfs/ordered-data.c | 12 +++++++----- fs/btrfs/raid-stripe-tree.c | 7 +++++-- fs/btrfs/reflink.c | 5 +++-- 10 files changed, 42 insertions(+), 25 deletions(-) diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 273924ca912c2f..2c25e5d86f3e42 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -2367,7 +2367,7 @@ int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb, info = (struct btrfs_tree_block_info *)(ei + 1); *out_level = btrfs_tree_block_level(eb, info); } else { - ASSERT(key->type == BTRFS_METADATA_ITEM_KEY); + ASSERT(key->type == BTRFS_METADATA_ITEM_KEY, "key->type=%hhu", key->type); *out_level = (u8)key->offset; } @@ -3199,7 +3199,7 @@ static int handle_direct_tree_backref(struct btrfs_backref_cache *cache, struct btrfs_backref_node *upper; struct rb_node *rb_node; - ASSERT(ref_key->type == BTRFS_SHARED_BLOCK_REF_KEY); + ASSERT(ref_key->type == BTRFS_SHARED_BLOCK_REF_KEY, "ref_key->type=%hhu", ref_key->type); /* Only reloc root uses backref pointing to itself */ if (ref_key->objectid == ref_key->offset) { diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 391fad41c3b6d9..a097ed8518645e 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -385,7 +385,7 @@ int btrfs_get_extent_inline_ref_type(const struct extent_buffer *eb, return type; } } else { - ASSERT(is_data == BTRFS_REF_TYPE_ANY); + ASSERT(is_data == BTRFS_REF_TYPE_ANY, "is_data=%d", is_data); return type; } } @@ -2531,8 +2531,10 @@ int btrfs_cross_ref_exist(struct btrfs_inode *inode, u64 offset, struct btrfs_key key; btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); - ASSERT(key.objectid == bytenr); - ASSERT(key.type == BTRFS_EXTENT_ITEM_KEY); + ASSERT(key.objectid == bytenr, "key.objectid=%llu", + key.objectid); + ASSERT(key.type == BTRFS_EXTENT_ITEM_KEY, "key.type=%u", + key.type); } } @@ -4598,10 +4600,12 @@ static noinline int find_free_extent(struct btrfs_root *root, /* Use dedicated sub-space_info for dedicated block group users. */ if (ffe_ctl->for_data_reloc) { space_info = space_info->sub_group[0]; - ASSERT(space_info->subgroup_id == BTRFS_SUB_GROUP_DATA_RELOC); + ASSERT(space_info->subgroup_id == BTRFS_SUB_GROUP_DATA_RELOC, + "space_info->subgroup_id=%d", space_info->subgroup_id); } else if (ffe_ctl->for_treelog) { space_info = space_info->sub_group[0]; - ASSERT(space_info->subgroup_id == BTRFS_SUB_GROUP_TREELOG); + ASSERT(space_info->subgroup_id == BTRFS_SUB_GROUP_TREELOG, + "space_info->subgroup_id=%d", space_info->subgroup_id); } } if (!space_info) { diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 095a561d733f0c..93a0950293a335 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -717,7 +717,7 @@ int btrfs_add_extent_mapping(struct btrfs_inode *inode, * file offset. Here just do a sanity check. */ if (em->disk_bytenr == EXTENT_MAP_INLINE) - ASSERT(em->start == 0); + ASSERT(em->start == 0, "em->start=%llu", em->start); ret = add_extent_mapping(inode, em, false); /* it is possible that someone inserted the extent into the tree @@ -761,7 +761,7 @@ int btrfs_add_extent_mapping(struct btrfs_inode *inode, } } - ASSERT(ret == 0 || ret == -EEXIST); + ASSERT(ret == 0 || ret == -EEXIST, "ret=%d", ret); return ret; } @@ -943,7 +943,7 @@ void btrfs_drop_extent_map_range(struct btrfs_inode *inode, u64 start, u64 end, ret = add_extent_mapping(inode, split, modified); /* Logic error, shouldn't happen. */ - ASSERT(ret == 0); + ASSERT(ret == 0, "ret=%d", ret); if (WARN_ON(ret != 0) && modified) btrfs_set_inode_full_sync(inode); } diff --git a/fs/btrfs/fiemap.c b/fs/btrfs/fiemap.c index 27d361c7adc4d8..6263e837093e42 100644 --- a/fs/btrfs/fiemap.c +++ b/fs/btrfs/fiemap.c @@ -112,7 +112,7 @@ static int emit_fiemap_extent(struct fiemap_extent_info *fieinfo, u64 cache_end; /* Set at the end of extent_fiemap(). */ - ASSERT((flags & FIEMAP_EXTENT_LAST) == 0); + ASSERT((flags & FIEMAP_EXTENT_LAST) == 0, "flags=0x%u", flags); if (!cache->cached) goto assign; diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index d72249390030f4..82ae4a2afd3471 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -325,7 +325,9 @@ static int search_csum_tree(struct btrfs_fs_info *fs_info, csum_start = key.offset; csum_len = (itemsize / csum_size) * sectorsize; - ASSERT(in_range(disk_bytenr, csum_start, csum_len)); + ASSERT(in_range(disk_bytenr, csum_start, csum_len), + "disk_bytenr=%llu csum_start=%llu csum_len=%llu", + disk_bytenr, csum_start, csum_len); found: ret = (min(csum_start + csum_len, disk_bytenr + len) - diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 06cc6e13cb621f..00318b9e5675d4 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1227,8 +1227,11 @@ static int copy_one_range(struct btrfs_inode *inode, struct iov_iter *iter, return ret; reserved_len = ret; /* Write range must be inside the reserved range. */ - ASSERT(reserved_start <= start); - ASSERT(start + write_bytes <= reserved_start + reserved_len); + ASSERT(reserved_start <= start, "reserved_start=%llu start=%llu", + reserved_start, start); + ASSERT(start + write_bytes <= reserved_start + reserved_len, + "start=%llu write_bytes=%zu reserved_start=%llu reserved_len=%llu", + start, write_bytes, reserved_start, reserved_len); again: ret = balance_dirty_pages_ratelimited_flags(inode->vfs_inode.i_mapping, @@ -2335,7 +2338,8 @@ static int btrfs_insert_replace_extent(struct btrfs_trans_handle *trans, btrfs_item_ptr_offset(leaf, slot), sizeof(struct btrfs_file_extent_item)); extent = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item); - ASSERT(btrfs_file_extent_type(leaf, extent) != BTRFS_FILE_EXTENT_INLINE); + ASSERT(btrfs_file_extent_type(leaf, extent) != BTRFS_FILE_EXTENT_INLINE, + "file_extent_type=%u", btrfs_file_extent_type(leaf, extent)); btrfs_set_file_extent_offset(leaf, extent, extent_info->data_offset); btrfs_set_file_extent_num_bytes(leaf, extent, replace_len); if (extent_info->is_new_extent) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index b2e447f5005c16..312585d9e1cad0 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -5092,7 +5092,8 @@ static int btrfs_ioctl_subvol_sync(struct btrfs_fs_info *fs_info, void __user *a return -ENOENT; wait_for_deletion = true; - ASSERT(root_flags & BTRFS_ROOT_SUBVOL_DEAD); + ASSERT(root_flags & BTRFS_ROOT_SUBVOL_DEAD, "root_flags=0x%llx", + root_flags); sched_ret = schedule_timeout_interruptible(HZ); /* Early wake up or error. */ if (sched_ret != 0) diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index d39f1c49d1cf8f..8ebd046b79569d 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -157,7 +157,8 @@ static struct btrfs_ordered_extent *alloc_ordered_extent( ((1U << BTRFS_ORDERED_NOCOW) | (1U << BTRFS_ORDERED_PREALLOC))); /* Only one type flag can be set. */ - ASSERT(has_single_bit_set(flags & BTRFS_ORDERED_EXCLUSIVE_FLAGS)); + ASSERT(has_single_bit_set(flags & BTRFS_ORDERED_EXCLUSIVE_FLAGS), + "flags=0x%lx", flags); /* DIRECT cannot be set with COMPRESSED nor ENCODED. */ if (test_bit(BTRFS_ORDERED_DIRECT, &flags)) { @@ -302,7 +303,7 @@ struct btrfs_ordered_extent *btrfs_alloc_ordered_extent( { struct btrfs_ordered_extent *entry; - ASSERT((flags & ~BTRFS_ORDERED_TYPE_FLAGS) == 0); + ASSERT((flags & ~BTRFS_ORDERED_TYPE_FLAGS) == 0, "flags=0x%lx", flags); /* * For regular writes, we just use the members in @file_extent. @@ -1238,7 +1239,7 @@ struct btrfs_ordered_extent *btrfs_split_ordered_extent( trace_btrfs_ordered_extent_split(inode, ordered); - ASSERT(!(flags & (1U << BTRFS_ORDERED_COMPRESSED))); + ASSERT(!(flags & (1U << BTRFS_ORDERED_COMPRESSED)), "flags=0x%lx", flags); /* * The entire bio must be covered by the ordered extent, but we can't @@ -1260,7 +1261,7 @@ struct btrfs_ordered_extent *btrfs_split_ordered_extent( } /* We cannot split partially completed ordered extents. */ if (ordered->bytes_left) { - ASSERT(!(flags & ~BTRFS_ORDERED_TYPE_FLAGS)); + ASSERT(!(flags & ~BTRFS_ORDERED_TYPE_FLAGS), "flags=0x%lx", flags); if (WARN_ON_ONCE(ordered->bytes_left != ordered->disk_num_bytes)) return ERR_PTR(-EINVAL); } @@ -1307,7 +1308,8 @@ struct btrfs_ordered_extent *btrfs_split_ordered_extent( ordered->ram_bytes -= len; if (test_bit(BTRFS_ORDERED_IO_DONE, &ordered->flags)) { - ASSERT(ordered->bytes_left == 0); + ASSERT(ordered->bytes_left == 0, "ordered->bytes_left=%llu", + ordered->bytes_left); new->bytes_left = 0; } else { ordered->bytes_left -= len; diff --git a/fs/btrfs/raid-stripe-tree.c b/fs/btrfs/raid-stripe-tree.c index 638c4ad572c996..03168f9c397e10 100644 --- a/fs/btrfs/raid-stripe-tree.c +++ b/fs/btrfs/raid-stripe-tree.c @@ -139,7 +139,8 @@ int btrfs_delete_raid_extent(struct btrfs_trans_handle *trans, u64 start, u64 le btrfs_item_key_to_cpu(leaf, &key, slot); found_start = key.objectid; found_end = found_start + key.offset; - ASSERT(found_start <= start); + ASSERT(found_start <= start, "found_start=%llu start=%llu", + found_start, start); } if (key.type != BTRFS_RAID_STRIPE_KEY) @@ -239,7 +240,9 @@ int btrfs_delete_raid_extent(struct btrfs_trans_handle *trans, u64 start, u64 le btrfs_partially_delete_raid_extent(trans, path, &key, key.offset - length, length); - ASSERT(key.offset - diff_end == length); + ASSERT(key.offset - diff_end == length, + "key.offset=%llu diff_end=%llu length=%llu", + key.offset, diff_end, length); break; } diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c index 49865a46378091..1897816bf7f8db 100644 --- a/fs/btrfs/reflink.c +++ b/fs/btrfs/reflink.c @@ -69,7 +69,8 @@ static int copy_inline_to_page(struct btrfs_inode *inode, struct address_space *mapping = inode->vfs_inode.i_mapping; int ret; - ASSERT(IS_ALIGNED(file_offset, block_size)); + ASSERT(IS_ALIGNED(file_offset, block_size), "file_offset=%llu block_size=%u", + file_offset, block_size); /* * We have flushed and locked the ranges of the source and destination @@ -459,7 +460,7 @@ static int btrfs_clone(struct inode *src, struct inode *inode, key.objectid != btrfs_ino(BTRFS_I(src))) break; - ASSERT(key.type == BTRFS_EXTENT_DATA_KEY); + ASSERT(key.type == BTRFS_EXTENT_DATA_KEY, "key.type=%u", key.type); extent = btrfs_item_ptr(leaf, slot, struct btrfs_file_extent_item); -- 2.53.0