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authorNaohiro Aota <naohiro.aota@wdc.com>2020-02-25 12:56:21 +0900
committerDavid Sterba <dsterba@suse.com>2020-03-23 17:01:50 +0100
commitbaba50624fe57320837cf2aa566769385872d2af (patch)
tree4d4cb4bf79a7ab1a4ce1b58712d785857d9d75b1 /fs/btrfs/extent-tree.c
parent897cae7948cb06c2f98de3c6f1833e7d8b3daa02 (diff)
btrfs: factor out release_block_group()
Factor out release_block_group() from find_free_extent(). This function is called when it gives up an allocation from a block group. Each allocation policy should reset its information for an allocation in the next block group. Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r--fs/btrfs/extent-tree.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 93d5b5c48185..6d4f53e92833 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3693,6 +3693,24 @@ static int do_allocation(struct btrfs_block_group *block_group,
}
}
+static void release_block_group(struct btrfs_block_group *block_group,
+ struct find_free_extent_ctl *ffe_ctl,
+ int delalloc)
+{
+ switch (ffe_ctl->policy) {
+ case BTRFS_EXTENT_ALLOC_CLUSTERED:
+ ffe_ctl->retry_clustered = false;
+ ffe_ctl->retry_unclustered = false;
+ break;
+ default:
+ BUG();
+ }
+
+ BUG_ON(btrfs_bg_flags_to_raid_index(block_group->flags) !=
+ ffe_ctl->index);
+ btrfs_release_block_group(block_group, delalloc);
+}
+
/*
* Return >0 means caller needs to re-search for free extent
* Return 0 means we have the needed free extent.
@@ -4069,11 +4087,7 @@ have_block_group:
btrfs_release_block_group(block_group, delalloc);
break;
loop:
- ffe_ctl.retry_clustered = false;
- ffe_ctl.retry_unclustered = false;
- BUG_ON(btrfs_bg_flags_to_raid_index(block_group->flags) !=
- ffe_ctl.index);
- btrfs_release_block_group(block_group, delalloc);
+ release_block_group(block_group, &ffe_ctl, delalloc);
cond_resched();
}
up_read(&space_info->groups_sem);