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Merge branch 'cleanups/for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.4

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This commit is contained in:
Chris Mason
2015-10-21 18:21:40 -07:00
parent 6db4a7335d ddd664f447
commit a0d58e48db
16 changed files with 216 additions and 207 deletions
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32
fs/btrfs/transaction.c
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@@ -242,15 +242,11 @@ loop:
cur_trans->start_time = get_seconds();
cur_trans->dirty_bg_run = 0;
memset(&cur_trans->delayed_refs, 0, sizeof(cur_trans->delayed_refs));
cur_trans->delayed_refs.href_root = RB_ROOT;
cur_trans->delayed_refs.dirty_extent_root = RB_ROOT;
atomic_set(&cur_trans->delayed_refs.num_entries, 0);
cur_trans->delayed_refs.num_heads_ready = 0;
cur_trans->delayed_refs.pending_csums = 0;
cur_trans->delayed_refs.num_heads = 0;
cur_trans->delayed_refs.flushing = 0;
cur_trans->delayed_refs.run_delayed_start = 0;
cur_trans->delayed_refs.qgroup_to_skip = 0;
/*
* although the tree mod log is per file system and not per transaction,
@@ -453,8 +449,8 @@ static inline bool need_reserve_reloc_root(struct btrfs_root *root)
}
static struct btrfs_trans_handle *
start_transaction(struct btrfs_root *root, u64 num_items, unsigned int type,
enum btrfs_reserve_flush_enum flush)
start_transaction(struct btrfs_root *root, unsigned int num_items,
unsigned int type, enum btrfs_reserve_flush_enum flush)
{
struct btrfs_trans_handle *h;
struct btrfs_transaction *cur_trans;
@@ -508,7 +504,7 @@ start_transaction(struct btrfs_root *root, u64 num_items, unsigned int type,
goto reserve_fail;
}
again:
h = kmem_cache_alloc(btrfs_trans_handle_cachep, GFP_NOFS);
h = kmem_cache_zalloc(btrfs_trans_handle_cachep, GFP_NOFS);
if (!h) {
ret = -ENOMEM;
goto alloc_fail;
@@ -549,23 +545,10 @@ again:
h->transid = cur_trans->transid;
h->transaction = cur_trans;
h->blocks_used = 0;
h->bytes_reserved = 0;
h->chunk_bytes_reserved = 0;
h->root = root;
h->delayed_ref_updates = 0;
h->use_count = 1;
h->adding_csums = 0;
h->block_rsv = NULL;
h->orig_rsv = NULL;
h->aborted = 0;
h->qgroup_reserved = 0;
h->delayed_ref_elem.seq = 0;
h->type = type;
h->allocating_chunk = false;
h->can_flush_pending_bgs = true;
h->reloc_reserved = false;
h->sync = false;
INIT_LIST_HEAD(&h->qgroup_ref_list);
INIT_LIST_HEAD(&h->new_bgs);
INIT_LIST_HEAD(&h->ordered);
@@ -609,14 +592,15 @@ reserve_fail:
}
struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root,
int num_items)
unsigned int num_items)
{
return start_transaction(root, num_items, TRANS_START,
BTRFS_RESERVE_FLUSH_ALL);
}
struct btrfs_trans_handle *btrfs_start_transaction_lflush(
struct btrfs_root *root, int num_items)
struct btrfs_root *root,
unsigned int num_items)
{
return start_transaction(root, num_items, TRANS_START,
BTRFS_RESERVE_FLUSH_LIMIT);