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704996566f
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Merge tag 'for-4.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"User visible features:
- added support for the ioctl FS_IOC_FSGETXATTR, per-inode flags,
successor of GET/SETFLAGS; now supports only existing flags:
append, immutable, noatime, nodump, sync
- 3 new unprivileged ioctls to allow users to enumerate subvolumes
- dedupe syscall implementation does not restrict the range to 16MiB,
though it still splits the whole range to 16MiB chunks
- on user demand, rmdir() is able to delete an empty subvolume,
export the capability in sysfs
- fix inode number types in tracepoints, other cleanups
- send: improved speed when dealing with a large removed directory,
measurements show decrease from 2000 minutes to 2 minutes on a
directory with 2 million entries
- pre-commit check of superblock to detect a mysterious in-memory
corruption
- log message updates
Other changes:
- orphan inode cleanup improved, does no keep long-standing
reservations that could lead up to early ENOSPC in some cases
- slight improvement of handling snapshotted NOCOW files by avoiding
some unnecessary tree searches
- avoid OOM when dealing with many unmergeable small extents at flush
time
- speedup conversion of free space tree representations from/to
bitmap/tree
- code refactoring, deletion, cleanups:
+ delayed refs
+ delayed iput
+ redundant argument removals
+ memory barrier cleanups
+ remove a redundant mutex supposedly excluding several ioctls to
run in parallel
- new tracepoints for blockgroup manipulation
- more sanity checks of compressed headers"
* tag 'for-4.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (183 commits)
btrfs: Add unprivileged version of ino_lookup ioctl
btrfs: Add unprivileged ioctl which returns subvolume's ROOT_REF
btrfs: Add unprivileged ioctl which returns subvolume information
Btrfs: clean up error handling in btrfs_truncate()
btrfs: Factor out write portion of btrfs_get_blocks_direct
btrfs: Factor out read portion of btrfs_get_blocks_direct
btrfs: return ENOMEM if path allocation fails in btrfs_cross_ref_exist
btrfs: raid56: Remove VLA usage
btrfs: return error value if create_io_em failed in cow_file_range
btrfs: drop useless member qgroup_reserved of btrfs_pending_snapshot
btrfs: drop unused parameter qgroup_reserved
btrfs: balance dirty metadata pages in btrfs_finish_ordered_io
btrfs: lift some btrfs_cross_ref_exist checks in nocow path
btrfs: Remove fs_info argument from btrfs_uuid_tree_rem
btrfs: Remove fs_info argument from btrfs_uuid_tree_add
Btrfs: remove unused check of skip_locking
Btrfs: remove always true check in unlock_up
Btrfs: grab write lock directly if write_lock_level is the max level
Btrfs: move get root out of btrfs_search_slot to a helper
Btrfs: use more straightforward extent_buffer_uptodate check
...
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|---|---|---|
| .. | ||
| tests | ||
| acl.c | ||
| async-thread.c | ||
| async-thread.h | ||
| backref.c | ||
| backref.h | ||
| btrfs_inode.h | ||
| check-integrity.c | ||
| check-integrity.h | ||
| compression.c | ||
| compression.h | ||
| ctree.c | ||
| ctree.h | ||
| dedupe.h | ||
| delayed-inode.c | ||
| delayed-inode.h | ||
| delayed-ref.c | ||
| delayed-ref.h | ||
| dev-replace.c | ||
| dev-replace.h | ||
| dir-item.c | ||
| disk-io.c | ||
| disk-io.h | ||
| export.c | ||
| export.h | ||
| extent_io.c | ||
| extent_io.h | ||
| extent_map.c | ||
| extent_map.h | ||
| extent-tree.c | ||
| file-item.c | ||
| file.c | ||
| free-space-cache.c | ||
| free-space-cache.h | ||
| free-space-tree.c | ||
| free-space-tree.h | ||
| inode-item.c | ||
| inode-map.c | ||
| inode-map.h | ||
| inode.c | ||
| ioctl.c | ||
| Kconfig | ||
| locking.c | ||
| locking.h | ||
| lzo.c | ||
| Makefile | ||
| math.h | ||
| ordered-data.c | ||
| ordered-data.h | ||
| orphan.c | ||
| print-tree.c | ||
| print-tree.h | ||
| props.c | ||
| props.h | ||
| qgroup.c | ||
| qgroup.h | ||
| raid56.c | ||
| raid56.h | ||
| rcu-string.h | ||
| reada.c | ||
| ref-verify.c | ||
| ref-verify.h | ||
| relocation.c | ||
| root-tree.c | ||
| scrub.c | ||
| send.c | ||
| send.h | ||
| struct-funcs.c | ||
| super.c | ||
| sysfs.c | ||
| sysfs.h | ||
| transaction.c | ||
| transaction.h | ||
| tree-checker.c | ||
| tree-checker.h | ||
| tree-defrag.c | ||
| tree-log.c | ||
| tree-log.h | ||
| ulist.c | ||
| ulist.h | ||
| uuid-tree.c | ||
| volumes.c | ||
| volumes.h | ||
| xattr.c | ||
| xattr.h | ||
| zlib.c | ||
| zstd.c | ||