On Wed 20-11-13 14:01:49, Miklos Szeredi wrote: > From: Miklos Szeredi <[email protected]> > > Need to split up ext4_rename() into helpers but there are two many local ^^ too
> variables involved, so create a new structure. This also, apparently, > makes the generated code size slightly smaller. > > Signed-off-by: Miklos Szeredi <[email protected]> > --- > fs/ext4/namei.c | 211 > ++++++++++++++++++++++++++++++-------------------------- > 1 file changed, 114 insertions(+), 97 deletions(-) > > diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c > index e0129b6e74cf..c9e38bd30e8b 100644 > --- a/fs/ext4/namei.c > +++ b/fs/ext4/namei.c > @@ -3001,6 +3001,22 @@ static struct buffer_head > *ext4_get_first_dir_block(handle_t *handle, > return ext4_get_first_inline_block(inode, parent_de, retval); > } > > +struct ext4_renament { > + struct inode *dir; > + struct dentry *dentry; > + struct inode *inode; > + > + /* entry for "dentry" */ > + struct buffer_head *bh; > + struct ext4_dir_entry_2 *de; > + int inlined; > + > + /* entry for parent block of inode if it's a directory */ Maybe "entry for '..' in inode if it is a directory"? It looks more comprehensible to me. > + struct buffer_head *dir_bh; > + struct ext4_dir_entry_2 *parent_de; > + int dir_inlined; > +}; > + > /* > * Anybody can rename anything with this: the permission checks are left to > the > * higher-level routines. > @@ -3014,196 +3030,197 @@ static int ext4_rename(struct inode *old_dir, > struct dentry *old_dentry, > unsigned int flags) > { > handle_t *handle = NULL; > - struct inode *old_inode, *new_inode; > - struct buffer_head *old_bh, *new_bh, *dir_bh; > - struct ext4_dir_entry_2 *old_de, *new_de; > + struct ext4_renament old = { > + .dir = old_dir, > + .dentry = old_dentry, > + }; > + struct ext4_renament new = { > + .dir = new_dir, > + .dentry = new_dentry, > + }; The code would look slightly more logical if we initialized .inode as well. Not sure if it is worth an extra patch or if you just fold it here... Otherwise the patch looks good. You can add: Reviewed-by: Jan Kara <[email protected]> Honza -- Jan Kara <[email protected]> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
