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Btrfs-progs: fsck: reduce memory usage of extent record struct

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Two changes:
	1.use bit filed for @found_rec
	2.u32 is enough to calculate duplicate extent number.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
Wang Shilong 2014-03-18 20:02:46 +08:00 committed by David Sterba
parent c920facc18
commit 8bae5a1525
1 changed files with 3 additions and 3 deletions
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6
cmds-check.c
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@ -92,7 +92,6 @@ struct extent_record {
struct list_head list;
struct cache_extent cache;
struct btrfs_disk_key parent_key;
unsigned int found_rec;
u64 start;
u64 max_size;
u64 nr;
@ -101,8 +100,9 @@ struct extent_record {
u64 generation;
u64 parent_generation;
u64 info_objectid;
u64 num_duplicates;
u32 num_duplicates;
u8 info_level;
unsigned int found_rec:1;
unsigned int content_checked:1;
unsigned int owner_ref_checked:1;
unsigned int is_root:1;
@ -2737,7 +2737,7 @@ static int add_extent_rec(struct cache_tree *extent_cache,
rec->start = start;
rec->max_size = max_size;
rec->nr = max(nr, max_size);
rec->found_rec = extent_rec;
rec->found_rec = !!extent_rec;
rec->content_checked = 0;
rec->owner_ref_checked = 0;
rec->num_duplicates = 0;