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David Sterba 29bfb8318b btrfs-progs: check: use on-stack path buffer in recow_extent_buffer 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba d0c3fa4d5b btrfs-progs: check: use on-stack path buffer in reset_balance 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 54db6df0e8 btrfs-progs: check: use on-stack path buffer in reset_block_groups 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 848e7f01ad btrfs-progs: check: use on-stack path buffer in fixup_extent_flags 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 1e1bb046e5 btrfs-progs: check: use on-stack path buffer in fixup_extent_refs 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 1f7f342b26 btrfs-progs: check: use on-stack path buffer in record_orphan_data_extents 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba f2f7da66c5 btrfs-progs: check: use on-stack path buffer in delete_duplicate_records 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 919f914483 btrfs-progs: check: use on-stack path buffer in check_extent_exists 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba bd4376a987 btrfs-progs: check: use on-stack path buffer in check_extent_csums 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba e036805d29 btrfs-progs: check: use on-stack path buffer in verify_space_cache 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba a88c8f17cb btrfs-progs: check: use on-stack path buffer in try_to_fix_bad_block 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 4cf9b7e2a1 btrfs-progs: check: use on-stack path buffer in repair_btree 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 3640b6a6ef btrfs-progs: check: use on-stack path buffer in try_repair_inode 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba f24d4d6847 btrfs-progs: check: use on-stack path buffer in find_normal_file_extent 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 7e47022599 btrfs-progs: check: use on-stack path buffer in delete_dir_index 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba f26af74da4 btrfs-progs: check: use on-stack path buffer in add_missing_dir_index 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 5b3c976bc2 btrfs-progs: convert bitfield to separate variables in btrfs_path 
We don't have that many bitfields that would save space.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 64e9dbf550 btrfs-progs: qgroup: use on-stack path buffer in repair_qgroup_status 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba b059f926b8 btrfs-progs: qgroup: use on-stack path buffer in repair_qgroup_info 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba c6a0cb7d6d btrfs-progs: utils: remove useless check in make_btrfs 
A leftover when fs_uuid was dynamically allocated, the condition was
always true, no functional change.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:32 +01:00
David Sterba 1b1a49b1e6 btrfs-progs: fi du: don't redefine standard macro/function 
The macro dprintf is defined in stdio.h, rename it.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 5103e80b21 btrfs-progs: dump-tree: use new names for obsoleted keys 
The DEV_STATS and BALANCE_ITEM have been deprecated in favor of more
general items, print the new names in the dump.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba a7d8850f9f btrfs-progs: image: use embedded array for metadump cluster buffer 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba acd2580777 btrfs-progs: image: use fixed-size array for worker thread pointers 
No need to dynamically allocate the thread pointers.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 84f9e8cfe3 btrfs-progs: image: add symbolic constant for max thread count 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 9459a505d0 btrfs-progs: image: use on-stack path buffer in fixup_devices 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 14eba91330 btrfs-progs: image: use on-stack path buffer in create_metadump 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 33f07b0d03 btrfs-progs: convert: use on-stack path buffer in link_subvol 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba c0807cbfc4 btrfs-progs: convert: use on-stack path buffer in create_image 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba aca69c9d39 btrfs-progs: convert: use on-stack path buffer in record_file_blocks 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba a34b3b9273 btrfs-progs: mkfs: use on-stack path buffer in cleanup_temp_chunks 
We don't need to conserve stack space too much unlike kernel, also
remove one error condition.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 5a0645afb8 btrfs-progs: reduce size of btrfs_path::lowest_level 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba f0f40c400e btrfs-progs: reduce size of btrfs_path::reada 
We use only a few values, reada accessed not in performance critical
contexts.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba b81edabe79 btrfs-progs: reduce size of btrfs_path, locks are not used 
Size of btrfs_path can be reduced by 32 bytes as we don't use the locks
array, down to 112 from 144 bytes.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 7456592977 btrfs-progs: mkfs: constify some char parameters 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 8ade920c5b btrfs-progs: mkfs: use const char for unmodified members of directory_name_entry 
We never modify the members, just point them to other strings.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 87596654ae btrfs-progs: check: reorder fields in inode_backref for better packing 
The structure size went from 56 bytes to 48, which could save some bytes
in larger scale.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 35985c1521 btrfs-progs: check: unify type for inode_backref::itemtype 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba b759702b67 btrfs-progs: check: unify type for inode_backref::filetype 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 17a8c6d7e1 btrfs-progs: send: cleanup use of ctransid delta temporary variable in find_good_parent 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 62fb1a5c14 btrfs-progs: send: cleanup, rename send context variables 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba a9f407b9a6 btrfs-progs: send: cleanup, rename some variables in dump_thread 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba f3a00c630a btrfs-progs: send: clean types in write_buf 
Use matching types for buffer, return value and buffer sizes.

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba aec1d7fa8b btrfs-progs: send: use proper type for read result, and rename the variable 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 76fc07e3a6 btrfs-progs: send: increase size of transfer buffer 
4K is quite small, increase it to 64K. This reduces number of
context switches and calls to read. Kernel sends us about 50K of data
per read, so increasing the buffer further does not make any
improvement.

Example run on tests/cli-tests/004-send-parent-multi-subvol:
4K:
  - ~800 context switches
  - ~5000 calls to read

64K:
  - ~450 context switches
  - ~500 calls to read

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:31 +01:00
David Sterba 88edac358c btrfs-progs: send: constify some arugments 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:30 +01:00
David Sterba 29a1a78aaa btrfs-progs: tests: add test for multi-subvolume send from parent 
Fixed by "btrfs-progs: send: fix handling of multiple snapshots (-p
option)".

Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:30 +01:00
David Sterba b9ff0190cf btrfs-progs: dump-tree: convert dir-item-to-string to table 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:30 +01:00
David Sterba e6410f631d btrfs-progs: dump-tree: convert key-to-string to table 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:30 +01:00
David Sterba 69f879eac9 btrfs-progs: dump-tree: cleanup types for item number iteration 
Signed-off-by: David Sterba <dsterba@suse.com>
 2016-11-09 13:47:30 +01:00