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OpenCloudOS-Kernel
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btrfs: use narrower type for btrfs_transaction::num_dirty_bgs 

The u64 is an overkill here, we could not possibly create that many
blockgroups in one transaction.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-11-08 02:12:57 +01:00
parent 1ca4bb63f6
commit 165c8b022c
2 changed files with 2 additions and 2 deletions
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2
fs/btrfs/extent-tree.c
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@ -2894,7 +2894,7 @@ int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans,
struct btrfs_block_rsv *global_rsv;
u64 num_heads = trans->transaction->delayed_refs.num_heads_ready;
u64 csum_bytes = trans->transaction->delayed_refs.pending_csums;
u64 num_dirty_bgs = trans->transaction->num_dirty_bgs;
unsigned int num_dirty_bgs = trans->transaction->num_dirty_bgs;
u64 num_bytes, num_dirty_bgs_bytes;
int ret = 0;

2
fs/btrfs/transaction.h
View File

@ -70,7 +70,7 @@ struct btrfs_transaction {
struct list_head dirty_bgs;
struct list_head io_bgs;
struct list_head dropped_roots;
u64 num_dirty_bgs;
unsigned int num_dirty_bgs;
/*
* we need to make sure block group deletion doesn't race with