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btrfs: delayed_ref: Add new function to record reserved space into delayed ref
authorQu Wenruo <quwenruo@cn.fujitsu.com>
Tue, 8 Sep 2015 09:08:36 +0000 (17:08 +0800)
committerChris Mason <clm@fb.com>
Thu, 22 Oct 2015 01:37:46 +0000 (18:37 -0700)
commitf64d5ca868214f9beb60108c82fcb96940132bfb
tree21676bd140d5b755f24663839f10e2c04c878e3etree | snapshot
parentf695fdcef83ac6972e0eda1d6588a56348f521a2commit | diff
btrfs: delayed_ref: Add new function to record reserved space into delayed ref

Add new function btrfs_add_delayed_qgroup_reserve() function to record
how much space is reserved for that extent.

As btrfs only accounts qgroup at run_delayed_refs() time, so newly
allocated extent should keep the reserved space until then.

So add needed function with related members to do it.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/delayed-ref.c diff | blob | history
fs/btrfs/delayed-ref.h diff | blob | history
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