On Thu, Oct 31, 2013 at 03:12:42AM +0530, Rashika Kheria wrote:
> 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@xxxxxxxxxx>
> Signed-off-by: Rashika Kheria <rashika.kheria@xxxxxxxxx>
Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
>
> This revision fixes the following issues of the previous revision-
> Space in comment
>
> fs/btrfs/delayed-inode.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
> index cbd9523..504a9b5 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) {
> --
> 1.7.9.5
>
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