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btrfs-progs: use kzalloc to allocate transaction handle

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Use the kernel-style allocation helpers and remove redundant zeroing.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-08-28 17:21:05 +02:00
parent b423d18229
commit 599f46ade3
1 changed files with 1 additions and 5 deletions
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6
transaction.h
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@ -37,7 +37,7 @@ static inline struct btrfs_trans_handle *
btrfs_start_transaction(struct btrfs_root *root, int num_blocks) btrfs_start_transaction(struct btrfs_root *root, int num_blocks)
{ {
struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_trans_handle *h = malloc(sizeof(*h)); struct btrfs_trans_handle *h = kzalloc(sizeof(*h), GFP_NOFS);
if (!h) if (!h)
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
@ -54,11 +54,7 @@ btrfs_start_transaction(struct btrfs_root *root, int num_blocks)
fs_info->running_transaction = h; fs_info->running_transaction = h;
fs_info->generation++; fs_info->generation++;
h->transid = fs_info->generation; h->transid = fs_info->generation;
h->alloc_exclude_start = 0;
h->alloc_exclude_nr = 0;
h->blocks_reserved = num_blocks; h->blocks_reserved = num_blocks;
h->blocks_used = 0;
h->block_group = NULL;
root->last_trans = h->transid; root->last_trans = h->transid;
root->commit_root = root->node; root->commit_root = root->node;
extent_buffer_get(root->node); extent_buffer_get(root->node);