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btrfs: migrate the delalloc space stuff to it's own home

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We have code for data and metadata reservations for delalloc.  There's
quite a bit of code here, and it's used in a lot of places so I've
separated it out to it's own file.  inode.c and file.c are already
pretty large, and this code is complicated enough to live in its own
space.

Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik
2019-06-19 15:12:00 -04:00
committed by David Sterba
parent fb6dea2660
commit 867363429d
12 changed files with 526 additions and 499 deletions
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1
fs/btrfs/free-space-cache.c
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@@ -19,6 +19,7 @@
#include "inode-map.h"
#include "volumes.h"
#include "space-info.h"
#include "delalloc-space.h"
#define BITS_PER_BITMAP (PAGE_SIZE * 8UL)
#define MAX_CACHE_BYTES_PER_GIG SZ_32K