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Anand Jain 8e906945c0 btrfs: use num_device to check for the last surviving seed device 
For both sprout and seed fsids,
 btrfs_fs_devices::num_devices provides device count including missing
 btrfs_fs_devices::open_devices provides device count excluding missing

We create a dummy struct btrfs_device for the missing device, so
num_devices != open_devices when there is a missing device.

In btrfs_rm_devices() we wrongly check for %cur_devices->open_devices
before freeing the seed fs_devices. Instead we should check for
%cur_devices->num_devices.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-10-26 19:08:06 +02:00
..
tests
btrfs: subpage: avoid potential deadlock with compression and delalloc
2021-10-26 19:08:05 +02:00
acl.c
overlayfs update for 5.15
2021-09-02 09:21:27 -07:00
async-thread.c
Btrfs: fix crash during unmount due to race with delayed inode workers
2020-03-23 17:01:51 +01:00
async-thread.h
Btrfs: fix crash during unmount due to race with delayed inode workers
2020-03-23 17:01:51 +01:00
backref.c
btrfs: remove ignore_offset argument from btrfs_find_all_roots()
2021-08-23 13:19:01 +02:00
backref.h
btrfs: remove ignore_offset argument from btrfs_find_all_roots()
2021-08-23 13:19:01 +02:00
block-group.c
btrfs: reduce btrfs_update_block_group alloc argument to bool
2021-10-26 19:08:06 +02:00
block-group.h
btrfs: reduce btrfs_update_block_group alloc argument to bool
2021-10-26 19:08:06 +02:00
block-rsv.c
btrfs: introduce mount option rescue=ignorebadroots
2020-12-08 15:53:41 +01:00
block-rsv.h
btrfs: Remove __ prefix from btrfs_block_rsv_release
2020-03-23 17:01:55 +01:00
btrfs_inode.h
btrfs: rename btrfs_dio_private::logical_offset to file_offset
2021-10-26 19:08:06 +02:00
check-integrity.c
btrfs: rename struct btrfs_io_bio to btrfs_bio
2021-10-26 19:08:02 +02:00
check-integrity.h
btrfs: remove btrfsic_submit_bh()
2020-03-23 17:01:39 +01:00
compression.c
btrfs: subpage: make end_compressed_bio_writeback() compatible
2021-10-26 19:08:04 +02:00
compression.h
btrfs: determine stripe boundary at bio allocation time in btrfs_submit_compressed_write
2021-10-26 19:08:04 +02:00
ctree.c
btrfs: unexport setup_items_for_insert()
2021-10-26 19:08:03 +02:00
ctree.h
btrfs: add a BTRFS_FS_ERROR helper
2021-10-26 19:08:05 +02:00
delalloc-space.c
btrfs: fix typos in comments
2021-06-22 14:11:57 +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: loop only once over data sizes array when inserting an item batch
2021-10-26 19:08:03 +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: pull up qgroup checks from delayed-ref core to init time
2021-10-26 19:08:06 +02:00
delayed-ref.h
btrfs: make btrfs_ref::real_root optional
2021-10-26 19:08:06 +02:00
dev-replace.c
btrfs: fix typos in comments
2021-06-22 14:11:57 +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: add a BTRFS_FS_ERROR helper
2021-10-26 19:08:05 +02:00
disk-io.h
btrfs: rename struct btrfs_io_bio to btrfs_bio
2021-10-26 19:08:02 +02:00
export.c
btrfs: locking: rip out path->leave_spinning
2020-12-08 15:54:02 +01:00
export.h
btrfs: export helpers for subvolume name/id resolution
2020-03-23 17:01:42 +01:00
extent_io.c
btrfs: remove btrfs_bio::logical member
2021-10-26 19:08:06 +02:00
extent_io.h
btrfs: cleanup for extent_write_locked_range()
2021-10-26 19:08:04 +02:00
extent_map.c
btrfs: rename btrfs_bio to btrfs_io_context
2021-10-26 19:08:02 +02:00
extent_map.h
btrfs: remove extent_map::bdev
2019-11-18 23:43:44 +01:00
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: reduce btrfs_update_block_group alloc argument to bool
2021-10-26 19:08:06 +02:00
file-item.c
btrfs: use bvec_kmap_local in btrfs_csum_one_bio
2021-10-26 19:08:06 +02:00
file.c
btrfs: add additional parameters to btrfs_init_tree_ref/btrfs_init_data_ref
2021-10-26 19:08:06 +02:00
free-space-cache.c
btrfs: subpage: add bitmap for PageChecked flag
2021-10-26 19:08:03 +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 possible free space tree corruption with online conversion
2021-01-25 18:44:37 +01:00
free-space-tree.h
btrfs: rename btrfs_block_group_cache
2019-11-18 17:51:51 +01:00
inode-item.c
btrfs: locking: rip out path->leave_spinning
2020-12-08 15:54:02 +01:00
inode.c
btrfs: remove btrfs_bio::logical member
2021-10-26 19:08:06 +02:00
ioctl.c
btrfs: defrag: enable defrag for subpage case
2021-10-26 19:07:58 +02:00
Kconfig
btrfs: disable build on platforms having page size 256K
2021-06-22 14:11:57 +02:00
locking.c
btrfs: fix typos in comments
2021-06-22 14:11:57 +02:00
locking.h
btrfs: assert that extent buffers are write locked instead of only locked
2021-10-26 19:08:02 +02:00
lzo.c
btrfs: subpage: make lzo_compress_pages() compatible
2021-10-26 19:08:05 +02:00
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: remove ignore_offset argument from btrfs_find_all_roots()
2021-08-23 13:19:01 +02:00
qgroup.h
btrfs: fix lock inversion problem when doing qgroup extent tracing
2021-07-22 15:50:07 +02:00
raid56.c
btrfs: remove btrfs_raid_bio::fs_info member
2021-10-26 19:08:03 +02:00
raid56.h
btrfs: remove btrfs_raid_bio::fs_info member
2021-10-26 19:08:03 +02:00
rcu-string.h
btrfs: rcu-string: Replace zero-length array with flexible-array member
2020-03-23 17:01:53 +01:00
reada.c
btrfs: rename btrfs_bio to btrfs_io_context
2021-10-26 19:08:02 +02:00
ref-verify.c
btrfs: rename root fields in delayed refs structs
2021-10-26 19:08:06 +02:00
ref-verify.h
…
reflink.c
btrfs: subpage: add bitmap for PageChecked flag
2021-10-26 19:08:03 +02:00
reflink.h
Btrfs: move all reflink implementation code into its own file
2020-03-23 17:01:54 +01:00
relocation.c
btrfs: pull up qgroup checks from delayed-ref core to init time
2021-10-26 19:08:06 +02:00
root-tree.c
btrfs: qgroup: fix qgroup meta rsv leak for subvolume operations
2020-10-07 12:12:13 +02:00
scrub.c
btrfs: add a BTRFS_FS_ERROR helper
2021-10-26 19:08:05 +02:00
send.c
btrfs: send: simplify send_create_inode_if_needed
2021-10-25 21:17:16 +02:00
send.h
btrfs: send: avoid copying file data
2020-10-07 12:13:17 +02:00
space-info.c
btrfs: do not infinite loop in data reclaim if we aborted
2021-10-26 19:08:05 +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: handle page locking in btrfs_page_end_writer_lock with no writers
2021-10-26 19:08:05 +02:00
subpage.h
btrfs: rework page locking in __extent_writepage()
2021-10-26 19:08:05 +02:00
super.c
btrfs: add a BTRFS_FS_ERROR helper
2021-10-26 19:08:05 +02:00
sysfs.c
btrfs: sysfs: document structures and their associated files
2021-08-23 13:19:12 +02:00
sysfs.h
btrfs: split and refactor btrfs_sysfs_remove_devices_dir
2020-10-07 12:12:21 +02:00
transaction.c
btrfs: add a BTRFS_FS_ERROR helper
2021-10-26 19:08:05 +02:00
transaction.h
btrfs: rework chunk allocation to avoid exhaustion of the system chunk array
2021-07-07 17:42:41 +02:00
tree-checker.c
btrfs: add ro compat flags to inodes
2021-08-23 13:19:09 +02:00
tree-checker.h
…
tree-defrag.c
btrfs: locking: remove all the blocking helpers
2020-12-08 15:54:01 +01:00
tree-log.c
btrfs: fix lost error handling when replaying directory deletes
2021-10-26 19:08:06 +02:00
tree-log.h
btrfs: change error handling for btrfs_delete_*_in_log
2021-10-26 19:08:05 +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: use num_device to check for the last surviving seed device
2021-10-26 19:08:06 +02:00
volumes.h
btrfs: remove btrfs_bio::logical member
2021-10-26 19:08:06 +02:00
xattr.c
btrfs: assert that extent buffers are write locked instead of only locked
2021-10-26 19:08:02 +02:00
xattr.h
…
zlib.c
btrfs: rework btrfs_decompress_buf2page()
2021-08-23 13:19:04 +02:00
zoned.c
btrfs: zoned: use kmemdup() to replace kmalloc + memcpy
2021-10-26 19:08:05 +02:00
zoned.h
btrfs: zoned: add a dedicated data relocation block group
2021-10-26 19:08:01 +02:00
zstd.c
btrfs: rework btrfs_decompress_buf2page()
2021-08-23 13:19:04 +02:00