On 9/4/13 5:05 PM, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
>
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
> ---
> libxfs/xfs_dir2.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
> libxfs/xfs_dir2_data.c | 20 ++++++++++----------
> libxfs/xfs_dir2_leaf.c | 4 ++--
> libxfs/xfs_dir2_node.c | 26 ++++++++++++--------------
> 4 files changed, 69 insertions(+), 26 deletions(-)
>
> diff --git a/libxfs/xfs_dir2.c b/libxfs/xfs_dir2.c
> index 6a4027f..830fe3e 100644
> --- a/libxfs/xfs_dir2.c
> +++ b/libxfs/xfs_dir2.c
> @@ -392,6 +392,51 @@ xfs_dir_replace(
> }
>
> /*
> + * See if this entry can be added to the directory without allocating space.
> + * First checks that the caller couldn't reserve enough space (resblks = 0).
> + */
> +int
> +xfs_dir_canenter(
Retroactive, post-merge question. :) This function isn't used in userspace,
AFAICT. What's the intended libxfs philosophy - keep files as identical to
kernelspace as possible, used code or not, or remove things which aren't used
in userspace?
Thanks,
-Eric
> + xfs_trans_t *tp,
> + xfs_inode_t *dp,
> + struct xfs_name *name, /* name of entry to add */
> + uint resblks)
> +{
> + xfs_da_args_t args;
> + int rval;
> + int v; /* type-checking value */
> +
> + if (resblks)
> + return 0;
> +
> + ASSERT(S_ISDIR(dp->i_d.di_mode));
> +
> + memset(&args, 0, sizeof(xfs_da_args_t));
> + args.name = name->name;
> + args.namelen = name->len;
> + args.hashval = dp->i_mount->m_dirnameops->hashname(name);
> + args.dp = dp;
> + args.whichfork = XFS_DATA_FORK;
> + args.trans = tp;
> + args.op_flags = XFS_DA_OP_JUSTCHECK | XFS_DA_OP_ADDNAME |
> + XFS_DA_OP_OKNOENT;
> +
> + if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
> + rval = xfs_dir2_sf_addname(&args);
> + else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
> + return rval;
> + else if (v)
> + rval = xfs_dir2_block_addname(&args);
> + else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
> + return rval;
> + else if (v)
> + rval = xfs_dir2_leaf_addname(&args);
> + else
> + rval = xfs_dir2_node_addname(&args);
> + return rval;
> +}
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