linux/fs/btrfs
Linus Torvalds c92b4d3dd5 for-7.1-tag
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Merge tag 'for-7.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs updates from David Sterba:
 "User visible changes:

   - move shutdown ioctl support out of experimental features, a forced
     stop of filesystem operation until the next unmount; additionally
     there's a super block operation to forcibly remove a device from
     under the filesystem that could lead to a shutdown or not if the
     redundancy allows that

   - report filesystem shutdown using fserror mechanism

   - tree-checker updates:
      - verify free space info, extent and bitmap items
      - verify remap-tree items and related data in block group items

  Performance improvements:

   - speed up clearing first extent in the tracked range (+10%
     throughput on sample workload)

   - reduce COW rewrites of extent buffers during the same transaction

   - avoid taking big device lock to update device stats during
     transaction commit

   - fix unnecessary flush on close when truncating empty files
     (observed in practice on a backup application)

   - prevent direct reclaim during compressed readahead to avoid stalls
     under memory pressure

  Notable fixes:

   - fix chunk allocation strategy on RAID1-like block groups with
     disproportionate device sizes, this could lead to ENOSPC due to
     skewed reservation estimates

   - adjust metadata reservation overcommit ratio to be less aggressive
     and also try to flush if possible, this avoids ENOSPC and potential
     transaction aborts in some edge cases (that are otherwise hard to
     reproduce)

   - fix silent IO error in encoded writes and ordered extent split in
     zoned mode, the error was not correctly propagated to the address
     space and could lead to zeroed ranges

   - don't mark inline files NOCOMPRESS unexpectedly, the intent was to
     do that for single block writes of regular files

   - fix deadlock between reflink and transaction commit when using
     flushoncommit

   - fix overly strict item check of a running dev-replace operation

  Core:

   - zoned mode space reservation fixes:
      - cap delayed refs metadata reservation to avoid overcommit
      - update logic to reclaim partially unusable zones
      - add another state to flush and reclaim partially used zone
      - limit number of zones reclaimed in one go to avoid blocking
        other operations

   - don't let log trees consume global reserve on overcommit and fall
     back to transaction commit

   - revalidate extent buffer when checking its up-to-date status

   - add self tests for zoned mode block group specifics

   - reduce atomic allocations in some qgroup paths

   - avoid unnecessary root node COW during snapshotting

   - start new transaction in block group relocation conditionally

   - faster check of NOCOW files on currently snapshotted root

   - change how compressed bio size is tracked from bio and reduce the
     structure size

   - new tracepoint for search slot restart tracking

   - checksum list manipulation improvements

   - type, parameter cleanups, refactoring

   - error handling improvements, transaction abort call adjustments"

* tag 'for-7.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (116 commits)
  btrfs: btrfs_log_dev_io_error() on all bio errors
  btrfs: fix silent IO error loss in encoded writes and zoned split
  btrfs: skip clearing EXTENT_DEFRAG for NOCOW ordered extents
  btrfs: use BTRFS_FS_UPDATE_UUID_TREE_GEN flag for UUID tree rescan check
  btrfs: remove duplicate journal_info reset on failure to commit transaction
  btrfs: tag as unlikely if statements that check for fs in error state
  btrfs: fix double free in create_space_info() error path
  btrfs: fix double free in create_space_info_sub_group() error path
  btrfs: do not reject a valid running dev-replace
  btrfs: only invalidate btree inode pages after all ebs are released
  btrfs: prevent direct reclaim during compressed readahead
  btrfs: replace BUG_ON() with error return in cache_save_setup()
  btrfs: zstd: don't cache sectorsize in a local variable
  btrfs: zlib: don't cache sectorsize in a local variable
  btrfs: zlib: drop redundant folio address variable
  btrfs: lzo: inline read/write length helpers
  btrfs: use common eb range validation in read_extent_buffer_to_user_nofault()
  btrfs: read eb folio index right before loops
  btrfs: rename local variable for offset in folio
  btrfs: unify types for binary search variables
  ...
2026-04-13 16:35:32 -07:00
..
tests btrfs: replace kcalloc() calls to kzalloc_objs() 2026-04-07 18:55:59 +02:00
accessors.c btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
accessors.h btrfs: allow mounting filesystems with remap-tree incompat flag 2026-02-03 07:54:35 +01:00
acl.c posix_acl: make posix_acl_to_xattr() alloc the buffer 2026-01-16 10:51:12 +01:00
acl.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
async-thread.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
async-thread.h
backref.c btrfs: remove redundant extent_buffer_uptodate() checks after read_tree_block() 2026-04-07 18:55:55 +02:00
backref.h btrfs: declare free_ipath() via DEFINE_FREE() 2025-11-24 22:34:51 +01:00
bio.c btrfs: btrfs_log_dev_io_error() on all bio errors 2026-04-07 20:00:29 +02:00
bio.h btrfs: move existing remaps before relocating block group 2026-02-03 07:54:35 +01:00
block-group.c btrfs: replace BUG_ON() with error return in cache_save_setup() 2026-04-07 18:56:08 +02:00
block-group.h btrfs: zoned: limit number of zones reclaimed in flush_space() 2026-04-07 18:56:01 +02:00
block-rsv.c btrfs: don't allow log trees to consume global reserve or overcommit metadata 2026-04-07 18:55:53 +02:00
block-rsv.h btrfs: add METADATA_REMAP chunk type 2026-02-03 07:54:27 +01:00
btrfs_inode.h fsverity: use a hashtable to find the fsverity_info 2026-02-04 11:31:54 -08:00
compression.c btrfs: prevent direct reclaim during compressed readahead 2026-04-07 18:56:08 +02:00
compression.h btrfs: prevent direct reclaim during compressed readahead 2026-04-07 18:56:08 +02:00
ctree.c btrfs: rename local variable for offset in folio 2026-04-07 18:56:07 +02:00
ctree.h btrfs: introduce BTRFS_PATH_AUTO_RELEASE() helper 2026-02-03 06:38:32 +01:00
defrag.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
defrag.h btrfs: pass struct btrfs_inode to btrfs_defrag_file() 2025-03-18 20:35:43 +01:00
delalloc-space.c btrfs: remove fs_info argument from btrfs_reserve_metadata_bytes() 2025-11-24 21:59:11 +01:00
delalloc-space.h btrfs: pass struct btrfs_inode to btrfs_free_reserved_data_space_noquota() 2025-05-15 14:30:52 +02:00
delayed-inode.c btrfs: unexport btrfs_qgroup_reserve_meta() 2026-04-07 18:56:05 +02:00
delayed-inode.h btrfs: embed delayed root to struct btrfs_fs_info 2026-02-03 07:56:20 +01:00
delayed-ref.c btrfs: zoned: cap delayed refs metadata reservation to avoid overcommit 2026-04-07 18:55:55 +02:00
delayed-ref.h btrfs: move ref-verify under CONFIG_BTRFS_DEBUG 2025-09-22 10:54:32 +02:00
dev-replace.c btrfs: pass literal booleans to functions that take boolean arguments 2026-04-07 18:55:56 +02:00
dev-replace.h btrfs: trivial conversion to return bool instead of int 2025-05-15 14:30:49 +02:00
dir-item.c btrfs: remove pointless error check in btrfs_check_dir_item_collision() 2026-04-07 18:56:00 +02:00
dir-item.h btrfs: rename inode number parameter passed to btrfs_check_dir_item_collision() 2025-07-22 00:05:00 +02:00
direct-io.c btrfs: remove redundant nowait check in lock_extent_direct() 2026-04-07 18:55:58 +02:00
direct-io.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
discard.c btrfs: handle discarding fully-remapped block groups 2026-02-03 07:54:36 +01:00
discard.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
disk-io.c btrfs: use BTRFS_FS_UPDATE_UUID_TREE_GEN flag for UUID tree rescan check 2026-04-07 19:43:06 +02:00
disk-io.h btrfs: remove atomic parameter from btrfs_buffer_uptodate() 2026-04-07 18:56:02 +02:00
export.c btrfs: avoid potential out-of-bounds in btrfs_encode_fh() 2025-09-26 08:48:30 +02:00
export.h
extent_io.c btrfs: tag as unlikely if statements that check for fs in error state 2026-04-07 19:41:42 +02:00
extent_io.h btrfs: avoid GFP_ATOMIC allocations in qgroup free paths 2026-04-07 18:56:05 +02:00
extent_map.c btrfs: add strict extent map alignment checks 2026-02-03 07:56:19 +01:00
extent_map.h btrfs: headers cleanup to remove unnecessary local includes 2025-11-24 22:34:52 +01:00
extent-io-tree.c btrfs: avoid GFP_ATOMIC allocations in qgroup free paths 2026-04-07 18:56:05 +02:00
extent-io-tree.h btrfs: convert several int parameters to bool 2025-09-22 10:54:32 +02:00
extent-tree.c btrfs: decrease indentation of find_free_extent_update_loop 2026-04-07 18:56:05 +02:00
extent-tree.h btrfs: add do_remap parameter to btrfs_discard_extent() 2026-02-03 07:54:35 +01:00
fiemap.c Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses 2026-02-22 08:26:33 -08:00
fiemap.h
file-item.c btrfs: rename btrfs_csum_file_blocks() to btrfs_insert_data_csums() 2026-04-07 18:55:56 +02:00
file-item.h btrfs: rename btrfs_csum_file_blocks() to btrfs_insert_data_csums() 2026-04-07 18:55:56 +02:00
file.c btrfs: tag as unlikely if statements that check for fs in error state 2026-04-07 19:41:42 +02:00
file.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
free-space-cache.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
free-space-cache.h btrfs: handle discarding fully-remapped block groups 2026-02-03 07:54:36 +01:00
free-space-tree.c btrfs: check for NULL root after calls to btrfs_extent_root() 2026-03-17 11:22:49 +01:00
free-space-tree.h btrfs: handle setting up relocation of block group with remap-tree 2026-02-03 07:54:35 +01:00
fs.c btrfs: switch to library APIs for checksums 2026-02-03 06:38:32 +01:00
fs.h btrfs: report filesystem shutdown via fserror 2026-04-07 18:55:59 +02:00
inode-item.c btrfs: merge setting ret and return ret 2026-02-03 06:38:33 +01:00
inode-item.h btrfs: remove unused parameters from btrfs_lookup_inode_extref() 2025-07-21 23:58:03 +02:00
inode.c btrfs: skip clearing EXTENT_DEFRAG for NOCOW ordered extents 2026-04-07 19:43:22 +02:00
ioctl.c btrfs: fix btrfs_ioctl_space_info() slot_count TOCTOU which can lead to info-leak 2026-04-07 18:56:05 +02:00
ioctl.h tree-wide: s/struct fileattr/struct file_kattr/g 2025-07-04 16:14:39 +02:00
Kconfig btrfs: move shutdown and remove_bdev callbacks out of experimental features 2026-04-07 18:56:05 +02:00
locking.c btrfs: add definitions and constants for remap-tree 2026-02-03 07:54:02 +01:00
locking.h btrfs: fix typos in comments and strings 2025-09-23 08:49:16 +02:00
lru_cache.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
lru_cache.h
lzo.c btrfs: prevent direct reclaim during compressed readahead 2026-04-07 18:56:08 +02:00
Makefile btrfs: tests: zoned: add tests cases for zoned code 2026-04-07 18:55:52 +02:00
messages.c btrfs: tag as unlikely if statements that check for fs in error state 2026-04-07 19:41:42 +02:00
messages.h btrfs: stop printing condition result in assertion failure messages 2026-04-07 18:55:58 +02:00
misc.h btrfs: introduce a common helper to calculate the size of a bio 2026-04-07 18:55:59 +02:00
ordered-data.c btrfs: fix silent IO error loss in encoded writes and zoned split 2026-04-07 19:43:50 +02:00
ordered-data.h btrfs: check type flags in alloc_ordered_extent() 2026-04-07 18:56:02 +02:00
orphan.c
orphan.h
print-tree.c btrfs: remove redundant extent_buffer_uptodate() checks after read_tree_block() 2026-04-07 18:55:55 +02:00
print-tree.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
props.c btrfs: props: switch prop_handler::extract to struct btrfs_inode 2025-03-18 20:35:44 +01:00
props.h btrfs: pass struct btrfs_inode to btrfs_inode_inherit_props() 2025-03-18 20:35:44 +01:00
qgroup.c btrfs: avoid GFP_ATOMIC allocations in qgroup free paths 2026-04-07 18:56:05 +02:00
qgroup.h btrfs: unexport btrfs_qgroup_reserve_meta() 2026-04-07 18:56:05 +02:00
raid-stripe-tree.c btrfs: fix placement of unlikely() in btrfs_insert_one_raid_extent() 2026-04-07 18:55:58 +02:00
raid-stripe-tree.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
raid56.c btrfs: replace kcalloc() calls to kzalloc_objs() 2026-04-07 18:55:59 +02:00
raid56.h btrfs: raid56: introduce a new parameter to locate a sector 2025-11-25 01:46:58 +01:00
ref-verify.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
ref-verify.h btrfs: move ref-verify under CONFIG_BTRFS_DEBUG 2025-09-22 10:54:32 +02:00
reflink.c btrfs: fix deadlock between reflink and transaction commit when using flushoncommit 2026-04-07 18:56:06 +02:00
reflink.h
relocation.c btrfs: avoid starting new transaction and commit in relocate_block_group() 2026-04-07 18:55:55 +02:00
relocation.h btrfs: handle setting up relocation of block group with remap-tree 2026-02-03 07:54:35 +01:00
root-tree.c btrfs: fix lost error return in btrfs_find_orphan_roots() 2026-02-18 15:25:54 +01:00
root-tree.h
scrub.c btrfs: tag as unlikely if statements that check for fs in error state 2026-04-07 19:41:42 +02:00
scrub.h btrfs: convert several int parameters to bool 2025-09-22 10:54:32 +02:00
send.c btrfs: pass literal booleans to functions that take boolean arguments 2026-04-07 18:55:56 +02:00
send.h btrfs: pass btrfs_root pointers to send ioctl parameters 2025-03-18 20:35:49 +01:00
space-info.c btrfs: fix double free in create_space_info() error path 2026-04-07 18:56:09 +02:00
space-info.h btrfs: constify arguments of some functions 2026-04-07 18:55:58 +02:00
subpage.c for-6.19-tag 2025-12-03 20:03:46 -08:00
subpage.h btrfs: headers cleanup to remove unnecessary local includes 2025-11-24 22:34:52 +01:00
super.c btrfs: tag as unlikely if statements that check for fs in error state 2026-04-07 19:41:42 +02:00
super.h btrfs: constify arguments of some functions 2026-04-07 18:55:58 +02:00
sysfs.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
sysfs.h btrfs: remove fs_info argument from btrfs_sysfs_add_space_info_type() 2025-11-24 22:02:30 +01:00
transaction.c btrfs: remove duplicate journal_info reset on failure to commit transaction 2026-04-07 19:42:24 +02:00
transaction.h btrfs: inhibit extent buffer writeback to prevent COW amplification 2026-04-07 18:56:00 +02:00
tree-checker.c btrfs: tree-checker: add remap-tree checks to check_block_group_item() 2026-04-07 18:56:06 +02:00
tree-checker.h btrfs: add definitions and constants for remap-tree 2026-02-03 07:54:02 +01:00
tree-log.c btrfs: tag as unlikely if statements that check for fs in error state 2026-04-07 19:41:42 +02:00
tree-log.h btrfs: make btrfs_free_log() and btrfs_free_log_root_tree() return void 2026-04-07 18:56:06 +02:00
tree-mod-log.c btrfs: remove redundant extent_buffer_uptodate() checks after read_tree_block() 2026-04-07 18:55:55 +02:00
tree-mod-log.h
ulist.c treewide: Replace kmalloc with kmalloc_obj for non-scalar types 2026-02-21 01:02:28 -08:00
ulist.h
uuid-tree.c btrfs: prefer IS_ERR_OR_NULL() over manual NULL check 2026-04-07 18:56:02 +02:00
uuid-tree.h btrfs: fix transaction abort on set received ioctl due to item overflow 2026-03-03 17:03:59 +01:00
verity.c for-7.0-rc1-tag 2026-02-20 14:57:09 -08:00
verity.h
volumes.c for-7.1-tag 2026-04-13 16:35:32 -07:00
volumes.h btrfs: introduce the device layout aware per-profile available space 2026-04-07 18:55:53 +02:00
xattr.c btrfs: remaining BTRFS_PATH_AUTO_FREE conversions 2025-11-25 01:53:33 +01:00
xattr.h btrfs: update include and forward declarations in headers 2025-03-18 20:35:43 +01:00
zlib.c btrfs: prevent direct reclaim during compressed readahead 2026-04-07 18:56:08 +02:00
zoned.c btrfs: fix silent IO error loss in encoded writes and zoned split 2026-04-07 19:43:50 +02:00
zoned.h btrfs: zoned: factor out the zone loading part into a testable function 2026-02-03 07:59:06 +01:00
zstd.c btrfs: prevent direct reclaim during compressed readahead 2026-04-07 18:56:08 +02:00