redonkable/alistair23-linux
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alistair23-linux/fs/btrfs
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Qu Wenruo cb93b52cc0 btrfs: qgroup: Refactor btrfs_qgroup_insert_dirty_extent() 
Refactor btrfs_qgroup_insert_dirty_extent() function, to two functions:
1. btrfs_qgroup_insert_dirty_extent_nolock()
   Almost the same with original code.
   For delayed_ref usage, which has delayed refs locked.

   Change the return value type to int, since caller never needs the
   pointer, but only needs to know if they need to free the allocated
   memory.

2. btrfs_qgroup_insert_dirty_extent()
   The more encapsulated version.

   Will do the delayed_refs lock, memory allocation, quota enabled check
   and other things.

The original design is to keep exported functions to minimal, but since
more btrfs hacks exposed, like replacing path in balance, we need to
record dirty extents manually, so we have to add such functions.

Also, add comment for both functions, to info developers how to keep
qgroup correct when doing hacks.

Cc: Mark Fasheh <mfasheh@suse.de>
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-and-Tested-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
2016-08-25 03:58:21 -07:00
..
tests btrfs: tests, require fs_info for root 2016-07-26 13:53:18 +02:00
acl.c btrfs: Replace -ENOENT by -ERANGE in btrfs_get_acl() 2016-07-26 13:52:25 +02:00
async-thread.c btrfs: plumb fs_info into btrfs_work 2016-07-26 13:53:15 +02:00
async-thread.h btrfs: plumb fs_info into btrfs_work 2016-07-26 13:53:15 +02:00
backref.c btrfs: backref: Fix soft lockup in __merge_refs function 2016-08-25 03:58:16 -07:00
backref.h btrfs: cleanup, remove inode_item_info helper 2015-01-14 19:23:47 +01:00
btrfs_inode.h Merge branch 'cleanups-4.7' into for-chris-4.7-20160525 2016-05-25 22:51:03 +02:00
check-integrity.c btrfs: Use correct format specifier 2016-06-17 18:32:40 +02:00
check-integrity.h block: submit_bio_wait() conversions 2013-11-24 16:33:41 -07:00
compression.c Btrfs: fix BUG_ON in btrfs_submit_compressed_write 2016-07-26 13:52:25 +02:00
compression.h btrfs: move btrfs_compression_type to compression.h 2016-03-11 17:12:46 +01:00
ctree.c btrfs: btrfs_abort_transaction, drop root parameter 2016-07-26 13:54:26 +02:00
ctree.h btrfs: properly track when rescan worker is running 2016-08-25 03:58:19 -07:00
dedupe.h btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize 2016-07-26 13:52:25 +02:00
delayed-inode.c btrfs: btrfs_abort_transaction, drop root parameter 2016-07-26 13:54:26 +02:00
delayed-inode.h Btrfs: fix ->iterate_shared() by upgrading i_rwsem for delayed nodes 2016-06-25 06:20:10 -07:00
delayed-ref.c btrfs: qgroup: Refactor btrfs_qgroup_insert_dirty_extent() 2016-08-25 03:58:21 -07:00
delayed-ref.h Btrfs: remove unused function btrfs_add_delayed_qgroup_reserve() 2016-08-03 11:02:51 +01:00
dev-replace.c btrfs: btrfs_test_opt and friends should take a btrfs_fs_info 2016-07-26 13:53:16 +02:00
dev-replace.h btrfs: refactor btrfs_dev_replace_start for reuse 2016-04-28 10:59:13 +02:00
dir-item.c Btrfs: make xattr replace operations atomic 2014-11-20 17:20:07 -08:00
disk-io.c btrfs: waiting on qgroup rescan should not always be interruptible 2016-08-25 03:58:20 -07:00
disk-io.h btrfs: tests, require fs_info for root 2016-07-26 13:53:18 +02:00
export.c BTRFS: support NFSv2 export 2015-10-06 06:55:23 -07:00
export.h
extent-tree.c btrfs: qgroup: Refactor btrfs_qgroup_insert_dirty_extent() 2016-08-25 03:58:21 -07:00
extent_io.c Btrfs: fix eb memory leak due to readpage failure 2016-07-26 13:52:25 +02:00
extent_io.h Btrfs: self-tests: Support non-4k page size 2016-06-02 19:23:14 +02:00
extent_map.c btrfs: Fix slab accounting flags 2016-07-26 13:52:25 +02:00
extent_map.h btrfs: cleanup, stop casting for extent_map->lookup everywhere 2016-01-15 19:22:28 +01:00
file-item.c Btrfs: fix __MAX_CSUM_ITEMS 2016-08-03 14:08:37 -07:00
file.c Merge branch 'integration-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/fdmanana/linux into for-linus-4.8 2016-08-05 12:25:05 -07:00
free-space-cache.c btrfs: btrfs_abort_transaction, drop root parameter 2016-07-26 13:54:26 +02:00
free-space-cache.h btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
free-space-tree.c btrfs: btrfs_abort_transaction, drop root parameter 2016-07-26 13:54:26 +02:00
free-space-tree.h Btrfs: implement the free space B-tree 2015-12-17 12:16:47 -08:00
hash.c btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
hash.h btrfs: advertise which crc32c implementation is being used at module load 2016-06-06 14:08:28 +02:00
inode-item.c btrfs: rename btrfs_std_error to btrfs_handle_fs_error 2016-04-28 10:36:54 +02:00
inode-map.c btrfs: btrfs_abort_transaction, drop root parameter 2016-07-26 13:54:26 +02:00
inode-map.h Btrfs: Initialize btrfs_root->highest_objectid when loading tree root and subvolume roots 2016-01-15 19:25:02 +01:00
inode.c Merge branch 'integration-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/fdmanana/linux into for-linus-4.8 2016-08-05 12:25:05 -07:00
ioctl.c btrfs: waiting on qgroup rescan should not always be interruptible 2016-08-25 03:58:20 -07:00
Kconfig rcu: Make SRCU optional by using CONFIG_SRCU 2015-01-06 11:04:29 -08:00
locking.c btrfs: cleanup, remove stray return statements 2016-01-07 14:30:52 +01:00
locking.h btrfs: fix lockups from btrfs_clear_path_blocking 2014-11-19 10:34:35 -08:00
lzo.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
Makefile Btrfs: add free space tree sanity tests 2015-12-17 12:16:47 -08:00
math.h btrfs: cleanup 64bit/32bit divs, compile time constants 2015-03-03 17:23:57 +01:00
ordered-data.c btrfs: Fix slab accounting flags 2016-07-26 13:52:25 +02:00
ordered-data.h Btrfs: fix race setting block group readonly during device replace 2016-05-30 12:58:21 +01:00
orphan.c btrfs: kill the key type accessor helpers 2014-09-17 13:37:12 -07:00
print-tree.c btrfs: teach print_leaf about temporary item subtypes 2016-02-11 16:15:43 +01:00
print-tree.h
props.c btrfs: simpilify btrfs_subvol_inherit_props 2016-07-26 13:54:22 +02:00
props.h Btrfs: add support for inode properties 2014-01-28 13:20:24 -08:00
qgroup.c btrfs: qgroup: Refactor btrfs_qgroup_insert_dirty_extent() 2016-08-25 03:58:21 -07:00
qgroup.h btrfs: qgroup: Refactor btrfs_qgroup_insert_dirty_extent() 2016-08-25 03:58:21 -07:00
raid56.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
raid56.h Btrfs: add RAID 5/6 BTRFS_RBIO_REBUILD_MISSING operation 2015-08-09 07:34:26 -07:00
rcu-string.h
reada.c Btrfs: fix race between readahead and device replace/removal 2016-05-30 12:58:18 +01:00
relocation.c btrfs: btrfs_abort_transaction, drop root parameter 2016-07-26 13:54:26 +02:00
root-tree.c btrfs: btrfs_abort_transaction, drop root parameter 2016-07-26 13:54:26 +02:00
scrub.c btrfs: plumb fs_info into btrfs_work 2016-07-26 13:53:15 +02:00
send.c Btrfs: send, don't bug on inconsistent snapshots 2016-08-01 07:31:41 +01:00
send.h Btrfs: use linux/sizes.h to represent constants 2016-01-07 14:38:02 +01:00
struct-funcs.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
super.c btrfs: btrfs_abort_transaction, drop root parameter 2016-07-26 13:54:26 +02:00
sysfs.c btrfs: add missing bytes_readonly attribute file in sysfs 2016-07-26 13:52:25 +02:00
sysfs.h btrfs: sysfs: introduce helper for syncing bits with sysfs files 2016-01-21 18:50:40 +01:00
transaction.c btrfs: btrfs_abort_transaction, drop root parameter 2016-07-26 13:54:26 +02:00
transaction.h btrfs: add btrfs_trans_handle->fs_info pointer 2016-07-26 13:54:26 +02:00
tree-defrag.c Btrfs: fix locking bugs when defragging leaves 2015-12-18 02:51:32 +00:00
tree-log.c Merge branch 'integration-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/fdmanana/linux into for-linus-4.8 2016-08-05 12:25:05 -07:00
tree-log.h Btrfs: fix unreplayable log after snapshot delete + parent dir fsync 2016-03-01 08:23:25 -08:00
ulist.c btrfs: fix string and comment grammatical issues and typos 2016-05-25 22:35:14 +02:00
ulist.h btrfs: ulist: Add ulist_del() function. 2015-06-10 09:26:17 -07:00
uuid-tree.c Btrfs: make btrfs_search_forward return with nodes unlocked 2014-09-17 13:38:02 -07:00
volumes.c btrfs: btrfs_abort_transaction, drop root parameter 2016-07-26 13:54:26 +02:00
volumes.h Merge branch 'foreign/jeffm/uapi' into for-chris-4.7-20160516 2016-05-16 15:46:29 +02:00
xattr.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr.h btrfs: Switch to generic xattr handlers 2016-05-17 19:17:09 -04:00
zlib.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00