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authorRashika <rashika.kheria@gmail.com>2013-10-31 03:12:42 +0530
committerChris Mason <chris.mason@fusionio.com>2013-11-11 22:11:19 -0500
commit95e94d14b42c1992493ce72492351d4601b274fe (patch)
tree22fc7f4d17b31556ed8eecce12a77747d0300f61 /fs
parent2e9f5954978cd5b0c26e6eeb9fd4ccbdce0f5ecc (diff)
downloadop-kernel-dev-95e94d14b42c1992493ce72492351d4601b274fe.zip
op-kernel-dev-95e94d14b42c1992493ce72492351d4601b274fe.tar.gz
btrfs: Replace multiple atomic_inc() with atomic_add()
This patch replaces multiple atomic_inc() with atomic_add() in delayed-inode.c to reduce source code and have few instructions for compilation. Reviewed-by: Zach Brown <zab@redhat.com> Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/delayed-inode.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index df1a496..af2ecca 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -108,8 +108,8 @@ static struct btrfs_delayed_node *btrfs_get_delayed_node(struct inode *inode)
return node;
}
btrfs_inode->delayed_node = node;
- atomic_inc(&node->refs); /* can be accessed */
- atomic_inc(&node->refs); /* cached in the inode */
+ /* can be accessed and cached in the inode */
+ atomic_add(2, &node->refs);
spin_unlock(&root->inode_lock);
return node;
}
@@ -138,8 +138,8 @@ again:
return ERR_PTR(-ENOMEM);
btrfs_init_delayed_node(node, root, ino);
- atomic_inc(&node->refs); /* cached in the btrfs inode */
- atomic_inc(&node->refs); /* can be accessed */
+ /* cached in the btrfs inode and can be accessed */
+ atomic_add(2, &node->refs);
ret = radix_tree_preload(GFP_NOFS & ~__GFP_HIGHMEM);
if (ret) {
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