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20c9801d39
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47746 Commits

Author SHA1 Message Date
David Sterba
20c9801d39 btrfs: drop checks for mandatory extent_io_ops callbacks 
We know that eadpage_end_io_hook, submit_bio_hook and merge_bio_hook are
always defined so we can drop the checks before we call them.

Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:29:24 +01:00
David Sterba
4d53dddbec btrfs: document existence of extent_io ops callbacks 
Some of the callbacks defined in btree_extent_io_ops and
btrfs_extent_io_ops do always exist so we don't need to check the
existence before each call. This patch just reorders the definition and
documents which are mandatory/optional.

Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:29:24 +01:00
David Sterba
c3988d630a btrfs: let writepage_end_io_hook return void 
There's no error path in any of the instances, always return 0.

Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:29:24 +01:00
David Sterba
b9d04c607c btrfs: do proper error handling in btrfs_insert_xattr_item 
The space check in btrfs_insert_xattr_item is duplicated in it's caller
(do_setxattr) so we won't hit the BUG_ON. Continuing without any check
could be disasterous so turn it to a proper error handling.

Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:27:11 +01:00
David Sterba
fa2529923d btrfs: handle allocation error in update_dev_stat_item 
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:27:11 +01:00
David Sterba
047e5e17c1 btrfs: remove BUG_ON from __tree_mod_log_insert 
All callers dereference the 'tm' parameter before it gets to this
function, the NULL check does not make much sense here.

Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:27:11 +01:00
David Sterba
e5d7490236 btrfs: derive maximum output size in the compression implementation 
The value of max_out can be calculated from the parameters passed to the
compressors, which is number of pages and the page size, and we don't
have to needlessly pass it around.

Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:26:36 +01:00
David Sterba
069eac7850 btrfs: use predefined limits for calculating maximum number of pages for compression 
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:26:35 +01:00
David Sterba
ff7638665c btrfs: export compression buffer limits in a header 
Move the buffer limit definitions out of compress_file_range.

Reviewed-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:26:35 +01:00
David Sterba
4d3a800ebb btrfs: merge nr_pages input and output parameter in compress_pages 
The parameter saying how many pages can be allocated at maximum can be
merged with the output page counter, to save some stack space.  The
compression implementation will sink the parameter to a local variable
so everything works as before.

The nr_pages variables can also be simply merged in compress_file_range
into one.

Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:26:35 +01:00
David Sterba
38c3146408 btrfs: merge length input and output parameter in compress_pages 
The length parameter is basically duplicated for input and output in the
top level caller of the compress_pages chain. We can simply use one
variable for that and reduce stack consumption. The compression
implementation will sink the parameter to a local variable so everything
works as before.

Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:26:35 +01:00
David Sterba
52f75f4fe7 btrfs: constify name of subvolume in creation helpers 
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:26:08 +01:00
David Sterba
14a3357b40 btrfs: constify buffers used by compression helpers 
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:26:07 +01:00
David Sterba
9ed573674a btrfs: constify input buffer of btrfs_csum_data 
The function does not modify the input buffer, also update a typecast in
one caller.

Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:26:07 +01:00
David Sterba
da353f6b30 btrfs: constify device path passed to relevant helpers 
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 14:26:07 +01:00
Nikolay Borisov
0b581701d9 btrfs: make btrfs_inode_resume_unlocked_dio take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:12 +01:00
Nikolay Borisov
abcefb1eee btrfs: make btrfs_inode_block_unlocked_dio take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:12 +01:00
Nikolay Borisov
cef415af20 btrfs: Make btrfs_add_nondir take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:12 +01:00
Nikolay Borisov
db0a669fb0 btrfs: Make btrfs_add_link take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:11 +01:00
Nikolay Borisov
9e3e97f45c btrfs: Make btrfs_del_delalloc_inode take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:11 +01:00
Nikolay Borisov
fc4f21b1d8 btrfs: Make get_extent_t take btrfs_inode 
In addition to changing the signature, this patch also switches
all the functions which are used as an argument to also take btrfs_inode.
Namely those are: btrfs_get_extent and btrfs_get_extent_filemap.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:11 +01:00
Nikolay Borisov
1c8c9c5216 btrfs: Make check_extent_to_block take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:11 +01:00
Nikolay Borisov
a2f392e401 btrfs: Make clone_update_extent_map take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:11 +01:00
Nikolay Borisov
6fc0ef6870 btrfs: Make btrfs_clear_bit_hook take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:11 +01:00
Nikolay Borisov
9cdc512410 btrfs: Make btrfs_extent_item_to_extent_map take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:11 +01:00
Nikolay Borisov
19df27a9e4 btrfs: make btrfs_log_inode_parent take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:10 +01:00
Nikolay Borisov
aefa6115c0 btrfs: Make check_parent_dirs_for_sync take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:10 +01:00
Nikolay Borisov
73f2e545b6 btrfs: Make btrfs_orphan_add take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:10 +01:00
Nikolay Borisov
3d6ae7bb6a btrfs: make btrfs_orphan_del take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:10 +01:00
Nikolay Borisov
7ab7956ec3 btrfs: make btrfs_free_io_failure_record take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:10 +01:00
Nikolay Borisov
b30cb441fc btrfs: make clean_io_failure take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:10 +01:00
Nikolay Borisov
9d4f7f8ad6 btrfs: make repair_io_failure take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:09 +01:00
Nikolay Borisov
f898ac6ae3 btrfs: make check_compressed_csum take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:09 +01:00
Nikolay Borisov
0970a22e58 btrfs: make btrfs_print_data_csum_error take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:09 +01:00
Nikolay Borisov
4ac1f4acd7 btrfs: make free_io_failure take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:09 +01:00
Nikolay Borisov
2cff578cfc btrfs: Make lock_and_cleanup_extent_if_need take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:09 +01:00
Nikolay Borisov
85b7ab6705 btrfs: Make check_can_nocow take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:09 +01:00
Nikolay Borisov
a776c6fa1f btrfs: Make btrfs_lookup_ordered_range take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:08 +01:00
Nikolay Borisov
7a6d706795 btrfs: Make btrfs_mark_extent_written take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:08 +01:00
Nikolay Borisov
a012a74e78 btrfs: Make fill_holes take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:08 +01:00
Nikolay Borisov
35339c245b btrfs: Make hole_mergeable take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:08 +01:00
Nikolay Borisov
dcdbc059f0 btrfs: Make btrfs_drop_extent_cache take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:08 +01:00
Nikolay Borisov
46e5979183 btrfs: Make btrfs_requeue_inode_defrag take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:07 +01:00
Nikolay Borisov
6158e1ce1c btrfs: Make (__)btrfs_add_inode_defrag take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:07 +01:00
Nikolay Borisov
691fa05967 btrfs: all btrfs_delalloc_release_metadata take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:07 +01:00
Nikolay Borisov
9f3db423f9 btrfs: Make btrfs_delalloc_reserve_metadata take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:07 +01:00
Nikolay Borisov
703b391a03 btrfs: Make btrfs_orphan_release_metadata take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:07 +01:00
Nikolay Borisov
8ed7a2a0e0 btrfs: Make btrfs_orphan_reserve_metadata take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:07 +01:00
Nikolay Borisov
0e6bf9b13c btrfs: Make calc_csum_metadata_size take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:07 +01:00
Nikolay Borisov
baa3ba39b9 btrfs: Make drop_outstanding_extent take btrfs_inode 
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
 2017-02-28 11:30:07 +01:00