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Qu Wenruo d4e6a13eb9 btrfs: make thaw time super block check to also verify checksum 
commit 3d17adea74a56a4965f7a603d8ed8c66bb9356d9 upstream.

Previous commit a05d3c915314 ("btrfs: check superblock to ensure the fs
was not modified at thaw time") only checks the content of the super
block, but it doesn't really check if the on-disk super block has a
matching checksum.

This patch will add the checksum verification to thaw time superblock
verification.

This involves the following extra changes:

- Export btrfs_check_super_csum()
  As we need to call it in super.c.

- Change the argument list of btrfs_check_super_csum()
  Instead of passing a char *, directly pass struct btrfs_super_block *
  pointer.

- Verify that our checksum type didn't change before checking the
  checksum value, like it's done at mount time

Fixes: a05d3c915314 ("btrfs: check superblock to ensure the fs was not modified at thaw time")
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-12 11:59:20 +01:00
..
tests
btrfs: remove pointless and double ulist frees in error paths of qgroup tests
2022-11-26 09:24:32 +01:00
acl.c
overlayfs update for 5.15
2021-09-02 09:21:27 -07:00
async-thread.c
btrfs: fix memory ordering between normal and ordered work functions
2021-11-25 09:48:46 +01:00
async-thread.h
…
backref.c
btrfs: fix resolving backrefs for inline extent followed by prealloc
2023-01-12 11:58:50 +01:00
backref.h
btrfs: sink iterator parameter to btrfs_ioctl_logical_to_ino
2022-12-08 11:28:38 +01:00
block-group.c
btrfs: enhance unsupported compat RO flags handling
2022-10-29 10:12:53 +02:00
block-group.h
btrfs: fix space cache corruption and potential double allocations
2022-09-05 10:30:12 +02:00
block-rsv.c
btrfs: introduce mount option rescue=ignorebadroots
2020-12-08 15:53:41 +01:00
block-rsv.h
…
btrfs_inode.h
btrfs: put initial index value of a directory in a constant
2022-08-31 17:16:35 +02:00
check-integrity.c
btrfs: rename btrfs_bio to btrfs_io_context
2022-07-21 21:24:32 +02:00
check-integrity.h
…
compression.c
btrfs: remove unused parameter nr_pages in add_ra_bio_pages()
2022-04-20 09:34:04 +02:00
compression.h
btrfs: rework btrfs_decompress_buf2page()
2021-08-23 13:19:04 +02:00
ctree.c
btrfs: fix lockdep splat with reloc root extent buffers
2022-09-05 10:30:12 +02:00
ctree.h
btrfs: fix space cache corruption and potential double allocations
2022-09-05 10:30:12 +02:00
delalloc-space.c
btrfs: convert count_max_extents() to use fs_info->max_extent_size
2022-08-31 17:16:34 +02:00
delalloc-space.h
btrfs: make btrfs_delalloc_reserve_space take btrfs_inode
2020-07-27 12:55:36 +02:00
delayed-inode.c
btrfs: add ro compat flags to inodes
2021-08-23 13:19:09 +02:00
delayed-inode.h
btrfs: make btrfs_delayed_update_inode take btrfs_inode
2020-12-08 15:54:10 +01:00
delayed-ref.c
btrfs: fix lock inversion problem when doing qgroup extent tracing
2021-07-22 15:50:07 +02:00
delayed-ref.h
btrfs: add additional parameters to btrfs_init_tree_ref/btrfs_init_data_ref
2022-07-12 16:34:50 +02:00
dev-replace.c
btrfs: add info when mount fails due to stale replace target
2022-08-31 17:16:46 +02:00
dev-replace.h
btrfs: zoned: mark block groups to copy for device-replace
2021-02-09 02:46:07 +01:00
dir-item.c
btrfs: unify lookup return value when dir entry is missing
2021-10-07 22:06:32 +02:00
discard.c
btrfs: fix typos in comments
2021-06-22 14:11:57 +02:00
discard.h
btrfs: cleanup btrfs_discard_update_discardable usage
2020-12-08 15:54:02 +01:00
disk-io.c
btrfs: make thaw time super block check to also verify checksum
2023-01-12 11:59:20 +01:00
disk-io.h
btrfs: make thaw time super block check to also verify checksum
2023-01-12 11:59:20 +01:00
export.c
btrfs: fix type of parameter generation in btrfs_get_dentry
2022-11-10 18:15:38 +01:00
export.h
btrfs: fix type of parameter generation in btrfs_get_dentry
2022-11-10 18:15:38 +01:00
extent_io.c
btrfs: fix lockdep splat with reloc root extent buffers
2022-09-05 10:30:12 +02:00
extent_io.h
btrfs: fix qgroup reserve overflow the qgroup limit
2022-04-13 20:59:23 +02:00
extent_map.c
btrfs: rename btrfs_bio to btrfs_io_context
2022-07-21 21:24:32 +02:00
extent_map.h
…
extent-io-tree.h
btrfs: use fixed width int type for extent_state::state
2020-12-08 15:54:13 +01:00
extent-tree.c
btrfs: fix tree mod log mishandling of reallocated nodes
2022-11-10 18:15:37 +01:00
file-item.c
btrfs: make search_csum_tree return 0 if we get -EFBIG
2022-04-08 14:23:58 +02:00
file.c
btrfs: do not BUG_ON() on ENOMEM when dropping extent items for a range
2022-12-31 13:14:47 +01:00
free-space-cache.c
btrfs: dump extra info if one free space cache has more bitmaps than it should
2022-10-26 12:35:44 +02:00
free-space-cache.h
btrfs: zoned: track unusable bytes for zones
2021-02-09 02:46:03 +01:00
free-space-tree.c
btrfs: fix invalid delayed ref after subvolume creation failure
2022-07-12 16:34:50 +02:00
free-space-tree.h
…
inode-item.c
btrfs: locking: rip out path->leave_spinning
2020-12-08 15:54:02 +01:00
inode.c
btrfs: remove root argument from btrfs_unlink_inode()
2022-09-05 10:30:09 +02:00
ioctl.c
btrfs: replace strncpy() with strscpy()
2023-01-12 11:59:05 +01:00
Kconfig
btrfs: disable build on platforms having page size 256K
2021-06-22 14:11:57 +02:00
locking.c
btrfs: fix lockdep splat with reloc root extent buffers
2022-09-05 10:30:12 +02:00
locking.h
btrfs: fix lockdep splat with reloc root extent buffers
2022-09-05 10:30:12 +02:00
lzo.c
btrfs: prevent copying too big compressed lzo segment
2022-03-02 11:48:07 +01:00
Makefile
btrfs: initial fsverity support
2021-08-23 13:19:09 +02:00
misc.h
btrfs: use correct header for div_u64 in misc.h
2021-09-07 14:29:50 +02:00
ordered-data.c
btrfs: zoned: fix double counting of split ordered extent
2021-09-07 14:30:41 +02:00
ordered-data.h
btrfs: remove uptodate parameter from btrfs_dec_test_first_ordered_pending
2021-08-23 13:19:02 +02:00
orphan.c
…
print-tree.c
btrfs: print the actual offset in btrfs_root_name
2021-01-07 17:25:05 +01:00
print-tree.h
btrfs: print the actual offset in btrfs_root_name
2021-01-07 17:25:05 +01:00
props.c
btrfs: props: change how empty value is interpreted
2021-06-22 14:11:58 +02:00
props.h
…
qgroup.c
btrfs: qgroup: fix sleep from invalid context bug in btrfs_qgroup_inherit()
2022-12-08 11:28:38 +01:00
qgroup.h
btrfs: fix lock inversion problem when doing qgroup extent tracing
2021-07-22 15:50:07 +02:00
raid56.c
btrfs: raid56: properly handle the error when unable to find the missing stripe
2022-11-26 09:24:31 +01:00
raid56.h
btrfs: rename btrfs_bio to btrfs_io_context
2022-07-21 21:24:32 +02:00
rcu-string.h
btrfs: replace strncpy() with strscpy()
2023-01-12 11:59:05 +01:00
reada.c
btrfs: rename btrfs_bio to btrfs_io_context
2022-07-21 21:24:32 +02:00
ref-verify.c
btrfs: stop doing GFP_KERNEL memory allocations in the ref verify tool
2021-08-23 13:19:00 +02:00
ref-verify.h
…
reflink.c
btrfs: fix unexpected error path when reflinking an inline extent
2022-04-08 14:23:11 +02:00
reflink.h
…
relocation.c
btrfs: fix lockdep splat with reloc root extent buffers
2022-09-05 10:30:12 +02:00
root-tree.c
btrfs: fix silent failure when deleting root reference
2022-08-31 17:16:46 +02:00
scrub.c
btrfs: scrub: try to fix super block errors
2022-10-26 12:35:44 +02:00
send.c
btrfs: send: avoid unaligned encoded writes when attempting to clone range
2022-12-14 11:37:16 +01:00
send.h
btrfs: send: avoid copying file data
2020-10-07 12:13:17 +02:00
space-info.c
btrfs: extend locking to all space_info members accesses
2022-04-08 14:23:02 +02:00
space-info.h
btrfs: rip out btrfs_space_info::total_bytes_pinned
2021-06-22 14:55:25 +02:00
struct-funcs.c
btrfs: add special case to setget helpers for 64k pages
2021-08-23 13:18:58 +02:00
subpage.c
btrfs: subpage: fix a potential use-after-free in writeback helper
2021-08-23 13:19:05 +02:00
subpage.h
btrfs: subpage: fix writeback which does not have ordered extent
2021-08-23 13:19:04 +02:00
super.c
btrfs: make thaw time super block check to also verify checksum
2023-01-12 11:59:20 +01:00
sysfs.c
btrfs: sysfs: normalize the error handling branch in btrfs_init_sysfs()
2022-12-02 17:41:12 +01:00
sysfs.h
btrfs: split and refactor btrfs_sysfs_remove_devices_dir
2020-10-07 12:12:21 +02:00
transaction.c
btrfs: make send work with concurrent block group relocation
2022-03-16 14:23:46 +01:00
transaction.h
btrfs: do not start relocation until in progress drops are done
2022-03-08 19:12:54 +01:00
tree-checker.c
btrfs: tree-checker: check for overlapping extent items
2022-09-05 10:30:12 +02:00
tree-checker.h
…
tree-defrag.c
btrfs: fix an error handling path in btrfs_defrag_leaves()
2023-01-12 11:59:08 +01:00
tree-log.c
btrfs: fix warning during log replay when bumping inode link count
2022-09-05 10:30:09 +02:00
tree-log.h
btrfs: pass the dentry to btrfs_log_new_name() instead of the inode
2022-08-31 17:16:36 +02:00
tree-mod-log.c
btrfs: fix race when picking most recent mod log operation for an old root
2021-04-20 19:27:17 +02:00
tree-mod-log.h
btrfs: add and use helper to get lowest sequence number for the tree mod log
2021-04-19 17:25:17 +02:00
ulist.c
…
ulist.h
…
uuid-tree.c
btrfs: remove unnecessary casts in printk
2020-12-08 15:53:52 +01:00
verity.c
btrfs: fix transaction handle leak after verity rollback failure
2021-09-17 19:29:41 +02:00
volumes.c
btrfs: check superblock to ensure the fs was not modified at thaw time
2023-01-12 11:59:17 +01:00
volumes.h
btrfs: zoned: initialize device's zone info for seeding
2022-11-16 09:58:27 +01:00
xattr.c
btrfs: check if root is readonly while setting security xattr
2022-08-31 17:16:46 +02:00
xattr.h
…
zlib.c
Revert "btrfs: compression: drop kmap/kunmap from zlib"
2021-10-29 13:03:05 +02:00
zoned.c
btrfs: use kvcalloc in btrfs_get_dev_zone_info
2022-12-02 17:41:12 +01:00
zoned.h
btrfs: zoned: revive max_zone_append_bytes
2022-08-31 17:16:34 +02:00
zstd.c
Revert "btrfs: compression: drop kmap/kunmap from zstd"
2021-10-29 13:02:50 +02:00